Merge pull request #222 from shimataro/develop

version 2.4.0
2025-06-19 22:52:10 +10:00 · 2022-11-03 05:05:47 +09:00 · 2022-11-03 05:05:47 +09:00 · 86a65fd09b
commit 86a65fd09b
parent 3c9b0fc6f2 193316a178
20 changed files with 10724 additions and 2890 deletions
--- a/.editorconfig
+++ b/.editorconfig
@ -25,6 +25,13 @@ spaces_around_brackets = none
 indent_brace_style = allman
 # JavaScript/TypeScript
 [*.{js,ts}]
 indent_style = space
 curly_bracket_next_line = false
 indent_brace_style = K&R
 # JSON/YAML
 [*.{json,babelrc,code-workspace,yml,yaml}]
 indent_style = space
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@ -14,7 +14,9 @@ parserOptions:
  project: ./tsconfig.json
 rules: # https://eslint.org/docs/rules/
  accessor-pairs: error
-  array-bracket-newline: error
+  array-bracket-newline:
  - error
  - consistent
  array-bracket-spacing:
  - error
  - never
@ -29,9 +31,7 @@ rules: # https://eslint.org/docs/rules/
    before: true
  block-scoped-var: error
  block-spacing: error
-  brace-style:
+  brace-style: 'off' # see "@typescript-eslint/brace-style"
  - error
  - allman
  callback-return: error
  capitalized-comments: 'off'
  class-methods-use-this: error
@ -87,26 +87,14 @@ rules: # https://eslint.org/docs/rules/
  - below
  indent:
  - error
-  - tab
+  - 4
  - SwitchCase: 1
  indent-legacy: 'off'
  init-declarations: error
  jsx-quotes: error
  key-spacing: error
  keyword-spacing:
  - error
  - overrides:
      catch:
        after: false
      for:
        after: false
      if:
        after: false
      switch:
        after: false
      while:
        after: false
      with:
        after: false
  line-comment-position: 'off'
  linebreak-style:
  - error
@ -256,7 +244,7 @@ rules: # https://eslint.org/docs/rules/
  rest-spread-spacing:
  - error
  - never
-  semi: error
+  semi: 'off' # see "@typescript-eslint/semi"
  semi-spacing: error
  semi-style:
  - error
@ -308,8 +296,25 @@ rules: # https://eslint.org/docs/rules/
  # @typescript-eslint plugin
  "@typescript-eslint/ban-ts-ignore": 'off'
  "@typescript-eslint/brace-style":
  - error
  - 1tbs
  "@typescript-eslint/member-delimiter-style":
  - error
  - multiline:
      delimiter: semi
      requireLast: true
    singleline:
      delimiter: semi
      requireLast: true
  "@typescript-eslint/no-empty-interface": 'off'
  "@typescript-eslint/no-floating-promises": error
  "@typescript-eslint/no-use-before-define":
  - error
  - functions: false
-  "@typescript-eslint/strict-boolean-expressions": error
+  "@typescript-eslint/semi": error
  "@typescript-eslint/strict-boolean-expressions":
  - error
  - allowString: false
    allowNumber: false
    allowNullableObject: false
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@ -13,12 +13,15 @@ jobs:
      matrix:
        os:
        - Windows-2019
        - Windows-2022
        - macOS-10.15
-        - Ubuntu-16.04
+        - macOS-11
        - macOS-12
        - Ubuntu-18.04
        - Ubuntu-20.04
        - Ubuntu-22.04
        nodejs:
-        - 12
+        - 16
      fail-fast: false
    steps:
    - name: Turn off auto-crlf
--- a/.github/workflows/verify-on-container-alpine.yml
+++ b/.github/workflows/verify-on-container-alpine.yml
@ -15,6 +15,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -30,11 +31,42 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pem-bitbucket:
    name: Connect to bitbucket.org (PEM format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
        - alpine:3.12
        - alpine:3.13
      fail-fast: false
    steps:
    - name: Install packages
      run: apk add openssh-client git
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-pkcs8:
    name: Connect to github.com (PKCS8 format)
    runs-on: ${{ matrix.os }}
@ -44,6 +76,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -59,11 +92,42 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pkcs8-bitbucket:
    name: Connect to bitbucket.org (PKCS8 format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
        - alpine:3.12
        - alpine:3.13
      fail-fast: false
    steps:
    - name: Install packages
      run: apk add openssh-client git
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-rfc4716:
    name: Connect to github.com (RFC4716 format)
    runs-on: ${{ matrix.os }}
@ -73,6 +137,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -88,11 +153,42 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-rfc4716-bitbucket:
    name: Connect to bitbucket.org (RFC4716 format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
        - alpine:3.12
        - alpine:3.13
      fail-fast: false
    steps:
    - name: Install packages
      run: apk add openssh-client git
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  key_if_exists_replace-key_exists:
    name: if_key_exists=replace / key exists
@ -104,6 +200,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -118,12 +215,12 @@ jobs:
      uses: ./.
      with:
        key: "dummy" # replaced
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l /root/.ssh
@ -139,6 +236,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -153,7 +251,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l /root/.ssh
@ -170,6 +268,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -184,12 +283,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l /root/.ssh
@ -205,6 +304,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -219,7 +319,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l /root/.ssh
@ -236,6 +336,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -250,12 +351,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
      continue-on-error: true
    - name: print created files
@ -272,6 +373,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - alpine:3.10
        - alpine:3.11
@ -286,37 +388,9 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  known_hosts-unnecessary:
    name: without known_hosts file
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        container:
        - alpine:3.10
        - alpine:3.11
        - alpine:3.12
        - alpine:3.13
    steps:
    - name: Install packages
      run: apk add openssh-client git
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
--- a/.github/workflows/verify-on-container-centos.yml
+++ b/.github/workflows/verify-on-container-centos.yml
@ -15,9 +15,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
      fail-fast: false
    steps:
    - name: Install packages
@ -29,11 +30,41 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pem-bitbucket:
    name: Connect to bitbucket.org (PEM format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - quay.io/centos/centos:centos7
        - quay.io/centos/centos:stream8
      fail-fast: false
    steps:
    - name: Install packages
      run: |
        yum install -y git openssh-clients
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-pkcs8:
    name: Connect to github.com (PKCS8 format)
    runs-on: ${{ matrix.os }}
@ -43,9 +74,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
      fail-fast: false
    steps:
    - name: Install packages
@ -57,11 +89,41 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pkcs8-bitbucket:
    name: Connect to bitbucket.org (PKCS8 format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - quay.io/centos/centos:centos7
        - quay.io/centos/centos:stream8
      fail-fast: false
    steps:
    - name: Install packages
      run: |
        yum install -y git openssh-clients
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-rfc4716:
    name: Connect to github.com (RFC4716 format)
    runs-on: ${{ matrix.os }}
@ -71,9 +133,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
      fail-fast: false
    steps:
    - name: Install packages
@ -85,11 +148,41 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-rfc4716-bitbucket:
    name: Connect to bitbucket.org (RFC4716 format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - quay.io/centos/centos:centos7
        - quay.io/centos/centos:stream8
      fail-fast: false
    steps:
    - name: Install packages
      run: |
        yum install -y git openssh-clients
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  key_if_exists_replace-key_exists:
    name: if_key_exists=replace / key exists
@ -101,9 +194,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
    steps:
    - name: Install packages
      run: |
@ -114,12 +208,12 @@ jobs:
      uses: ./.
      with:
        key: "dummy" # replaced
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l /root/.ssh
@ -135,9 +229,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
    steps:
    - name: Install packages
      run: |
@ -148,7 +243,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l /root/.ssh
@ -165,9 +260,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
    steps:
    - name: Install packages
      run: |
@ -178,12 +274,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l /root/.ssh
@ -199,9 +295,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
    steps:
    - name: Install packages
      run: |
@ -212,7 +309,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l /root/.ssh
@ -229,9 +326,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
    steps:
    - name: Install packages
      run: |
@ -242,12 +340,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
      continue-on-error: true
    - name: print created files
@ -264,9 +362,10 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
-        - centos:7
+        - quay.io/centos/centos:centos7
-        - centos:8
+        - quay.io/centos/centos:stream8
    steps:
    - name: Install packages
      run: |
@ -277,36 +376,9 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  known_hosts-unnecessary:
    name: without known_hosts file
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        container:
        - centos:7
        - centos:8
    steps:
    - name: Install packages
      run: |
        yum install -y git openssh-clients
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
--- a/.github/workflows/verify-on-container-ubuntu.yml
+++ b/.github/workflows/verify-on-container-ubuntu.yml
@ -15,10 +15,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
      fail-fast: false
    steps:
    - name: Install packages
@ -31,11 +33,44 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pem-bitbucket:
    name: Connect to bitbucket.org (PEM format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
      fail-fast: false
    steps:
    - name: Install packages
      run: |
        apt update
        apt install -y openssh-client git
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-pkcs8:
    name: Connect to github.com (PKCS8 format)
    runs-on: ${{ matrix.os }}
@ -45,10 +80,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
      fail-fast: false
    steps:
    - name: Install packages
@ -61,11 +98,44 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pkcs8-bitbucket:
    name: Connect to bitbucket.org (PKCS8 format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
      fail-fast: false
    steps:
    - name: Install packages
      run: |
        apt update
        apt install -y openssh-client git
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-rfc4716:
    name: Connect to github.com (RFC4716 format)
    runs-on: ${{ matrix.os }}
@ -75,10 +145,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
      fail-fast: false
    steps:
    - name: Install packages
@ -91,11 +163,44 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-rfc4716-bitbucket:
    name: Connect to bitbucket.org (RFC4716 format)
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
      fail-fast: false
    steps:
    - name: Install packages
      run: |
        apt update
        apt install -y openssh-client git
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  key_if_exists_replace-key_exists:
    name: if_key_exists=replace / key exists
@ -107,10 +212,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
    steps:
    - name: Install packages
      run: |
@ -122,12 +229,12 @@ jobs:
      uses: ./.
      with:
        key: "dummy" # replaced
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l /root/.ssh
@ -143,10 +250,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
    steps:
    - name: Install packages
      run: |
@ -158,7 +267,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l /root/.ssh
@ -175,10 +284,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
    steps:
    - name: Install packages
      run: |
@ -190,12 +301,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l /root/.ssh
@ -211,10 +322,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
    steps:
    - name: Install packages
      run: |
@ -226,7 +339,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l /root/.ssh
@ -243,10 +356,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
    steps:
    - name: Install packages
      run: |
@ -258,12 +373,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
      continue-on-error: true
    - name: print created files
@ -280,10 +395,12 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
        - ubuntu:22.04
    steps:
    - name: Install packages
      run: |
@ -295,38 +412,9 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
    - name: print created files
      run: ls -l /root/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  known_hosts-unnecessary:
    name: without known_hosts file
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        container:
        - ubuntu:16.04
        - ubuntu:18.04
        - ubuntu:20.04
    steps:
    - name: Install packages
      run: |
        apt update
        apt -y install openssh-client git
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: unnecessary
    - name: print created files
      run: ls -l /root/.ssh
--- a/.github/workflows/verify-on-macos.yml
+++ b/.github/workflows/verify-on-macos.yml
@ -14,6 +14,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -21,11 +23,34 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pem-bitbucket:
    name: Connect to bitbucket.org (PEM format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-pkcs8:
    name: Connect to github.com (PKCS8 format)
    runs-on: ${{ matrix.os }}
@ -34,6 +59,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -41,11 +68,34 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pkcs8-bitbucket:
    name: Connect to bitbucket.org (PKCS8 format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-rfc4716:
    name: Connect to github.com (RFC4716 format)
    runs-on: ${{ matrix.os }}
@ -54,6 +104,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -61,11 +113,35 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-rfc4716-bitbucket:
    name: Connect to bitbucket.org (RFC4716 format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-with-name:
    name: Connect to github.com with name and config
    runs-on: ${{ matrix.os }}
@ -74,6 +150,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -81,7 +159,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        name: ssh_key_name # optional
        config: | # optional
          Host github
@ -101,6 +179,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -108,12 +188,12 @@ jobs:
      uses: ./.
      with:
        key: "dummy" # replaced
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l ~/.ssh
@ -127,6 +207,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -134,7 +216,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l ~/.ssh
@ -149,6 +231,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -156,12 +240,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l ~/.ssh
@ -175,6 +259,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -182,7 +268,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l ~/.ssh
@ -197,6 +283,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -204,12 +292,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
      continue-on-error: true
    - name: print created files
@ -224,6 +312,8 @@ jobs:
      matrix:
        os:
        - macos-10.15
        - macos-11
        - macos-12
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -231,28 +321,9 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  known_hosts-unnecessary:
    name: without known_hosts file
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - macos-10.15
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
--- a/.github/workflows/verify-on-ubuntu.yml
+++ b/.github/workflows/verify-on-ubuntu.yml
@ -15,6 +15,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -22,11 +23,34 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pem-bitbucket:
    name: Connect to bitbucket.org (PEM format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-pkcs8:
    name: Connect to github.com (PKCS8 format)
    runs-on: ${{ matrix.os }}
@ -36,6 +60,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -43,11 +68,34 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pkcs8-bitbucket:
    name: Connect to bitbucket.org (PKCS8 format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-rfc4716:
    name: Connect to github.com (RFC4716 format)
    runs-on: ${{ matrix.os }}
@ -57,6 +105,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -64,11 +113,35 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-rfc4716-bitbucket:
    name: Connect to bitbucket.org (RFC4716 format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-with-name:
    name: Connect to github.com with name and config
    runs-on: ${{ matrix.os }}
@ -78,6 +151,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -85,7 +159,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        name: ssh_key_name # optional
        config: | # optional
          Host github
@ -106,6 +180,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -113,12 +188,12 @@ jobs:
      uses: ./.
      with:
        key: "dummy" # replaced
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l ~/.ssh
@ -133,6 +208,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -140,7 +216,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
      run: ls -l ~/.ssh
@ -156,6 +232,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -163,12 +240,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l ~/.ssh
@ -183,6 +260,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -190,7 +268,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
      run: ls -l ~/.ssh
@ -206,6 +284,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -213,12 +292,12 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
      continue-on-error: true
    - name: print created files
@ -234,6 +313,7 @@ jobs:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
        - ubuntu-22.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -241,29 +321,9 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
    - name: print created files
      run: ls -l ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  known_hosts-unnecessary:
    name: without known_hosts file
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - ubuntu-18.04
        - ubuntu-20.04
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
--- a/.github/workflows/verify-on-windows.yml
+++ b/.github/workflows/verify-on-windows.yml
@ -13,8 +13,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -22,11 +22,33 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pem-bitbucket:
    name: Connect to bitbucket.org (PEM format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-pkcs8:
    name: Connect to github.com (PKCS8 format)
    runs-on: ${{ matrix.os }}
@ -34,8 +56,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -43,11 +65,33 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-pkcs8-bitbucket:
    name: Connect to bitbucket.org (PKCS8 format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PKCS8 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-rfc4716:
    name: Connect to github.com (RFC4716 format)
    runs-on: ${{ matrix.os }}
@ -55,8 +99,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -64,11 +108,34 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: print created files
      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  ssh-rfc4716-bitbucket:
    name: Connect to bitbucket.org (RFC4716 format)
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_RFC4716 }}
        known_hosts: |
          bitbucket.org ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAubiN81eDcafrgMeLzaFPsw2kNvEcqTKl/VqLat/MaB33pZy0y3rJZtnqwR2qOOvbwKZYKiEO1O6VqNEBxKvJJelCq0dTXWT5pbO2gDXC6h6QDXCaHo6pOHGPUy+YBaGQRGuSusMEASYiWunYN0vCAI8QaXnWMXNMdFP3jHAJH0eDsoiGnLPBlBp4TNm6rYI74nMzgz3B9IikW4WVK+dc8KZJZWYjAuORU3jc1c/NPskD2ASinf8v3xnfXeukU0sJ5N6m5E8VLjObPEO+mN2t/FZTMZLiFqPWc/ALSqnMnnhwrNi2rbfg/rd/IpL8Le3pSBne8+seeFVBoGqzHM9yXw==
    - name: print created files
      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@bitbucket.org:shimataro999/ssh-test.git tmp
  ssh-with-name:
    name: Connect to github.com with name and config
    runs-on: ${{ matrix.os }}
@ -76,8 +143,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -85,7 +152,7 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        name: ssh_key_name # optional
        config: | # optional
          Host github
@ -93,7 +160,7 @@ jobs:
            User git
            IdentityFile ~/.ssh/ssh_key_name
    - name: print created files
-      run: ls -l ~/.ssh
+      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone github:shimataro/ssh-key-action.git tmp
@ -104,8 +171,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -113,15 +180,15 @@ jobs:
      uses: ./.
      with:
        key: "dummy" # replaced
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
-      run: ls -l ~/.ssh
+      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  key_if_exists_replace-key_doesnt_exist:
@ -131,8 +198,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -140,10 +207,10 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: replace
    - name: print created files
-      run: ls -l ~/.ssh
+      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
@ -154,8 +221,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -163,15 +230,15 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
-      run: ls -l ~/.ssh
+      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  key_if_exists_ignore-key_doesnt_exist:
@ -181,8 +248,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -190,10 +257,10 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: ignore
    - name: print created files
-      run: ls -l ~/.ssh
+      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
@ -204,8 +271,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -213,16 +280,16 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
    - name: Install SSH key (replace)
      uses: ./.
      with:
        key: "dummy" # ignored
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
      continue-on-error: true
    - name: print created files
-      run: ls -l ~/.ssh
+      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  key_if_exists_fail-key_doesnt_exist:
@ -232,8 +299,8 @@ jobs:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
        - windows-2022
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
@ -241,29 +308,9 @@ jobs:
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
-        known_hosts: ${{ secrets.KNOWN_HOSTS }}
+        known_hosts: unnecessary
        if_key_exists: fail
    - name: print created files
-      run: ls -l ~/.ssh
+      run: ls ~/.ssh
    - name: git clone through SSH
      run: git clone git@github.com:shimataro/ssh-key-action.git tmp
  known_hosts-unnecessary:
    name: without known_hosts file
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
        - windows-2016
        - windows-2019
    steps:
    - name: Checkout source codes
      uses: actions/checkout@v2
    - name: Install SSH key
      uses: ./.
      with:
        key: ${{ secrets.SSH_KEY_PEM }}
        known_hosts: unnecessary
    - name: print created files
      run: ls -l ~/.ssh
--- a/.gitignore
+++ b/.gitignore
@ -13,5 +13,8 @@ Thumbs.db
 *.orig
 *.rej
 # IDE
 /.idea/
 # Node.js modules
 /node_modules/
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -7,6 +7,23 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [Unreleased]
 ## [2.4.0] - 2022-11-03
 ### Added
 * always set server key of `github.com` to `known_hosts`
 ### Fixed
 * usage of `rsync` in README
 ### Others
 * add `windows-2022`, and `macos-11` (thanks [@ViacheslavKudinov](https://github.com/ViacheslavKudinov))
 * add `macos-12`, `ubuntu-22.04`, and `CentOS 8 Stream (Docker container)`
 * drop `ubuntu-16.04`, and `CentOS 8 (Docker container)`
 * [update Node.js version to 16](https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/) (thanks [@duddu](https://github.com/duddu))
 ## [2.3.1] - 2021-08-01
 ### Security
@ -157,7 +174,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 * First release.
-[Unreleased]: https://github.com/shimataro/ssh-key-action/compare/v2.3.1...HEAD
+[Unreleased]: https://github.com/shimataro/ssh-key-action/compare/v2.4.0...HEAD
 [2.4.0]: https://github.com/shimataro/ssh-key-action/compare/v2.3.1...v2.4.0
 [2.3.1]: https://github.com/shimataro/ssh-key-action/compare/v2.3.0...v2.3.1
 [2.3.0]: https://github.com/shimataro/ssh-key-action/compare/v2.2.0...v2.3.0
 [2.2.0]: https://github.com/shimataro/ssh-key-action/compare/v2.1.0...v2.2.0
--- a/README.md
+++ b/README.md
@ -17,9 +17,9 @@ Useful for SCP, SFTP, and `rsync` over SSH in deployment script.
 tested on:
-* [all available virtual machines](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/virtual-environments-for-github-hosted-runners#supported-runners-and-hardware-resources) (Windows Server 2019/2016, macOS Catalina, and Ubuntu 20.04/18.04)
+* [all available virtual machines](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/virtual-environments-for-github-hosted-runners#supported-runners-and-hardware-resources) (Windows Server 2022/2019, macOS Monterey/Big Sur/Catalina, and Ubuntu 22.04/20.04/18.04)
 * [Docker container (Ubuntu)](https://hub.docker.com/_/ubuntu) / requires `openssh-client` package; `apt install -y openssh-client`
-* [Docker container (CentOS)](https://hub.docker.com/_/centos) / requires `openssh-clients` package; `yum install -y openssh-clients`
+* [Docker container (CentOS)](https://quay.io/repository/centos/centos) / requires `openssh-clients` package; `yum install -y openssh-clients`
 * [Docker container (Alpine Linux)](https://hub.docker.com/_/alpine) / requires `openssh-client` package; `apk add openssh-client`
 ## Usage
@ -39,12 +39,14 @@ steps:
    known_hosts: ${{ secrets.KNOWN_HOSTS }}
    config: ${{ secrets.CONFIG }} # ssh_config; optional
    if_key_exists: fail # replace / ignore / fail; optional (defaults to fail)
- name: rsync over ssh
+- name: rsync over SSH
-  run: rsync ./foo/ user@remote:bar/
+  run: rsync -r ./foo/ user@remote:bar/
 ```
 See [Workflow syntax for GitHub Actions](https://help.github.com/en/articles/workflow-syntax-for-github-actions) for details.
 **NOTE:** Server key of `github.com` will be always set to `known_hosts`.
 ### Install multiple keys
 If you want to install multiple keys, call this action multiple times.
@ -114,7 +116,7 @@ Here are some solutions:
 I recommend **rsync via bastion**.
 ```bash
-rsync -e "ssh bastion ssh" ./foo/ target:bar/
+rsync -r -e "ssh bastion ssh" ./foo/ target:bar/
 ```
 It has some advantages over other methods:
--- a/action.yml
+++ b/action.yml
@ -26,5 +26,5 @@ inputs:
    required: false
    default: "fail"
 runs:
-  using: "node12"
+  using: "node16"
  main: "lib/index.js"
--- a/lib/index.js
+++ b/lib/index.js
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
  "name": "install-ssh-key",
-  "version": "2.3.1",
+  "version": "2.4.0",
  "private": true,
  "description": "Install SSH key in .ssh",
  "main": "lib/index.js",
@ -31,16 +31,16 @@
  "author": "shimataro",
  "license": "MIT",
  "devDependencies": {
-    "@actions/core": "1.4.0",
+    "@actions/core": "1.10.0",
-    "@types/node": "16.4.10",
+    "@types/node": "18.11.9",
-    "@typescript-eslint/eslint-plugin": "4.28.5",
+    "@typescript-eslint/eslint-plugin": "5.42.0",
-    "@typescript-eslint/parser": "4.28.5",
+    "@typescript-eslint/parser": "5.42.0",
-    "@vercel/ncc": "0.29.0",
+    "@vercel/ncc": "0.34.0",
-    "eslint": "7.32.0",
+    "eslint": "8.26.0",
-    "markdownlint-cli": "0.28.1",
+    "markdownlint-cli": "0.32.2",
-    "npm-check-updates": "11.8.3",
+    "npm-check-updates": "16.3.16",
    "npm-run-all": "4.1.5",
-    "typescript": "4.3.5",
+    "typescript": "4.8.4",
-    "yaml-lint": "1.2.4"
+    "yaml-lint": "1.7.0"
  }
 }
--- a/scripts/create-release-branch.sh
+++ b/scripts/create-release-branch.sh
@ -1,135 +0,0 @@
 #!/bin/bash
 # requires following packages:
 # - git; I believe you have already installed.
 # - sed; GNU sed is preferred. POSIX sed may not work.
 # - perl; Already installed on most of unix system.
 set -eu
 BASE_BRANCH="develop"
 PACKAGE_NAME="ssh-key-action"
 URL_PRODUCT="https://github.com/shimataro/${PACKAGE_NAME}"
 URL_REPOSITORY="${URL_PRODUCT}.git"
 URL_COMPARE="${URL_PRODUCT}/compare"
 URL_RELEASE="${URL_PRODUCT}/releases/new"
 COLOR_ERROR="\e[1;41m"
 COLOR_SECTION="\e[1;34m"
 COLOR_COMMAND_NAME="\e[1;34m"
 COLOR_OPTION="\e[4;36m"
 COLOR_COMMAND="\e[4m"
 COLOR_FILE="\e[1;34m"
 COLOR_BRANCH="\e[1;31m"
 COLOR_INPUT="\e[1;31m"
 COLOR_SELECT="\e[1;32m"
 COLOR_RESET="\e[m"
 function main() {
 	cd $(dirname ${0})/..
 	if [ $# -lt 1 ]; then
 		usage
 	fi
 	local VERSION=$1
 	local BRANCH="release/v${VERSION}"
 	local TAG="v${VERSION}"
 	check_version_format ${VERSION}
 	check_current_branch
 	create_branch ${BRANCH}
 	./scripts/prepare-release.sh ${VERSION}
 	finish ${VERSION} ${BRANCH} ${TAG}
 }
 function usage() {
 	local COMMAND=`basename ${0}`
 	echo -e "${COLOR_SECTION}NAME${COLOR_RESET}
 	${COMMAND} - Create a branch and prepare for new release
 ${COLOR_SECTION}SYNOPSIS${COLOR_RESET}
 	${COLOR_COMMAND_NAME}${COMMAND}${COLOR_RESET} <${COLOR_OPTION}new-version${COLOR_RESET}>
 ${COLOR_SECTION}DESCRIPTION${COLOR_RESET}
 	This command:
 	- creates a new branch for release
 	- updates ${COLOR_FILE}CHANGELOG.md${COLOR_RESET}
 	- updates package version in ${COLOR_FILE}package.json${COLOR_RESET}
 	- updates dependencies version in ${COLOR_FILE}package.json${COLOR_RESET}
 	- verifies
 	- ...and commits!
 	${COLOR_OPTION}new-version${COLOR_RESET} must follow \"Semantic Versioning\" <https://semver.org/>.
 "
 	exit 1
 }
 function check_version_format() {
 	if [[ $1 =~ ^[0-9]+\.[0-9]+\.[0-9]+ ]]; then
 		return
 	fi
 	echo -e "${COLOR_ERROR}ERROR:${COLOR_RESET} Follow \"Semantic Versioning\" <https://semver.org/> for new version.
 " >&2
 	exit 2
 }
 function check_current_branch() {
 	local CURRENT_BRANCH=`git rev-parse --abbrev-ref HEAD`
 	if [ ${CURRENT_BRANCH} = ${BASE_BRANCH} ]; then
 		return
 	fi
 	echo -e "${COLOR_ERROR}ERROR:${COLOR_RESET} Work on ${COLOR_BRANCH}${BASE_BRANCH}${COLOR_RESET} branch
 	${COLOR_COMMAND}git checkout ${BASE_BRANCH}${COLOR_RESET}
 " >&2
 	exit 2
 }
 function create_branch() {
 	local BRANCH=$1
 	git checkout -b ${BRANCH} ${BASE_BRANCH}
 }
 function finish() {
 	local VERSION=$1
 	local BRANCH=$2
 	local TAG=$3
 	local TARGET_BRANCH="v${VERSION%%[!0-9]*}"
 	local UPSTREAM="origin"
 	local CHANGELOG=$(git diff ${UPSTREAM}/${TARGET_BRANCH} ${BRANCH} CHANGELOG.md | sed -e "/^[^+]/d" -e "s/^\+\(.*\)$/\1/" -e "/^## /d" -e "/^\+/d" -e "/^\[/d" -e "s/\s/%20/g" -e "s/#/%23/g" -e 's/\n//g' | perl -pe "s/\n/%0A/g" | perl -pe "s/^(%0A)+//" | perl -pe "s/(%0A)+$//")
 	echo -e "
 Branch ${COLOR_BRANCH}${BRANCH}${COLOR_RESET} has been created.
 Remaining processes are...
 1. Make sure all changes are correct
 	${COLOR_COMMAND}git diff ${BASE_BRANCH} ${BRANCH}${COLOR_RESET}
 2. Push to remote ${UPSTREAM}
 	${COLOR_COMMAND}git push --set-upstream ${UPSTREAM} ${BRANCH}${COLOR_RESET}
 3. Create a pull-request: ${COLOR_BRANCH}${BRANCH}${COLOR_RESET} to ${COLOR_BRANCH}${BASE_BRANCH}${COLOR_RESET}
 	${URL_COMPARE}/${BASE_BRANCH}...${BRANCH}?expand=1
 	select ${COLOR_SELECT}Squash and merge${COLOR_RESET}
 4. Create a pull-request: ${COLOR_BRANCH}${BASE_BRANCH}${COLOR_RESET} to ${COLOR_BRANCH}${TARGET_BRANCH}${COLOR_RESET}
 	${URL_COMPARE}/${TARGET_BRANCH}...${BASE_BRANCH}?expand=1&title=version%20${VERSION}&body=${CHANGELOG}
 	select ${COLOR_SELECT}Create a merge commit${COLOR_RESET}
 5. Create a new release
 	${URL_RELEASE}?tag=${TAG}&target=${TARGET_BRANCH}&title=${PACKAGE_NAME}%20${VERSION}%20released&body=${CHANGELOG}
 	Tag version: ${COLOR_INPUT}${TAG}${COLOR_RESET}
 	Target: ${COLOR_INPUT}${TARGET_BRANCH}${COLOR_RESET}
 	Release title: ${COLOR_INPUT}${PACKAGE_NAME} ${VERSION} released${COLOR_RESET}
 	Description this release: (copy and paste CHANGELOG.md)
 6. Post processing
 	${COLOR_COMMAND}git checkout ${BASE_BRANCH}${COLOR_RESET}
 	${COLOR_COMMAND}git pull${COLOR_RESET}
 	${COLOR_COMMAND}git fetch -p${COLOR_RESET}
 	${COLOR_COMMAND}git branch -D ${BRANCH}${COLOR_RESET}
 That's all!
 "
 }
 main "$@"
--- a/scripts/prepare-release.sh
+++ b/scripts/prepare-release.sh
@ -1,9 +1,18 @@
 #!/bin/bash
 # requires following packages:
-# - git; I believe it's already installed.
+# - git; I believe you have already installed.
 # - sed; GNU sed is preferred. POSIX sed may not work.
 # - perl; Already installed on most of unix system.
 set -eu
 BASE_BRANCH="develop"
 PACKAGE_NAME="ssh-key-action"
 URL_PRODUCT="https://github.com/shimataro/${PACKAGE_NAME}"
 URL_REPOSITORY="${URL_PRODUCT}.git"
 URL_COMPARE="${URL_PRODUCT}/compare"
 URL_RELEASE="${URL_PRODUCT}/releases/new"
 COLOR_ERROR="\e[1;41m"
 COLOR_SECTION="\e[1;34m"
 COLOR_COMMAND_NAME="\e[1;34m"
@ -16,34 +25,39 @@ COLOR_SELECT="\e[1;32m"
 COLOR_RESET="\e[m"
 function main() {
 	cd $(dirname ${0})/..
 	if [ $# -lt 1 ]; then
 		usage
 	fi
 	cd $(dirname ${0})/..
 	local VERSION=$1
-	check_version_format ${VERSION}
+	local BRANCH="release/v${VERSION}"
 	local TAG="v${VERSION}"
 	check_version_format ${VERSION}
 	check_current_branch
 	create_branch ${BRANCH}
 	update_changelog ${VERSION}
 	update_package_version ${VERSION}
 	update_dependencies_version
 	regenerate_package_lock
 	build_package
 	commit_changes ${VERSION}
 	finish ${VERSION} ${BRANCH} ${TAG}
 }
 function usage() {
 	local COMMAND=`basename ${0}`
 	echo -e "${COLOR_SECTION}NAME${COLOR_RESET}
-	${COMMAND} - Prepare for new release
+	${COMMAND} - Create a branch and prepare for new release
 ${COLOR_SECTION}SYNOPSIS${COLOR_RESET}
 	${COLOR_COMMAND_NAME}${COMMAND}${COLOR_RESET} <${COLOR_OPTION}new-version${COLOR_RESET}>
 ${COLOR_SECTION}DESCRIPTION${COLOR_RESET}
 	This command:
 	- creates a new branch for release
 	- updates ${COLOR_FILE}CHANGELOG.md${COLOR_RESET}
 	- updates package version in ${COLOR_FILE}package.json${COLOR_RESET}
 	- updates dependencies version in ${COLOR_FILE}package.json${COLOR_RESET}
@ -65,6 +79,24 @@ function check_version_format() {
 	exit 2
 }
 function check_current_branch() {
 	local CURRENT_BRANCH=`git rev-parse --abbrev-ref HEAD`
 	if [ ${CURRENT_BRANCH} = ${BASE_BRANCH} ]; then
 		return
 	fi
 	echo -e "${COLOR_ERROR}ERROR:${COLOR_RESET} Work on ${COLOR_BRANCH}${BASE_BRANCH}${COLOR_RESET} branch
 	${COLOR_COMMAND}git checkout ${BASE_BRANCH}${COLOR_RESET}
 " >&2
 	exit 2
 }
 function create_branch() {
 	local BRANCH=$1
 	git checkout -b ${BRANCH} ${BASE_BRANCH}
 }
 function update_changelog() {
 	local VERSION=$1
 	local DATE=`date "+%Y-%m-%d"`
@ -79,19 +111,8 @@ function update_changelog() {
 function update_package_version() {
 	local VERSION=$1
-	sed -i".bak" -r \
+	# update package.json
-		-e "s/(\"version\"\s*:\s*)\".*?\"/\1\"${VERSION}\"/" \
+	npm version --no-git-tag-version ${VERSION}
 		package.json
 }
 function update_dependencies_version() {
 	npm ci
 	npm run check-updates -- -u
 }
 function regenerate_package_lock() {
 	rm -rf package-lock.json node_modules
 	npm install
 }
 function build_package() {
@ -102,10 +123,46 @@ function build_package() {
 function commit_changes() {
 	local VERSION=$1
-	rm -rf node_modules
+	git add .
 	npm ci --only=production
 	git add CHANGELOG.md package.json package-lock.json lib
 	git commit -m "version ${VERSION}"
 }
 function finish() {
 	local VERSION=$1
 	local BRANCH=$2
 	local TAG=$3
 	local TARGET_BRANCH="v${VERSION%%[!0-9]*}"
 	local UPSTREAM="origin"
 	local CHANGELOG=$(git diff ${UPSTREAM}/${TARGET_BRANCH} ${BRANCH} CHANGELOG.md | sed -e "/^[^+]/d" -e "s/^\+\(.*\)$/\1/" -e "/^## /d" -e "/^\+/d" -e "/^\[/d" -e "s/\s/%20/g" -e "s/#/%23/g" -e 's/\n//g' | perl -pe "s/\n/%0A/g" | perl -pe "s/^(%0A)+//" | perl -pe "s/(%0A)+$//")
 	echo -e "
 Branch ${COLOR_BRANCH}${BRANCH}${COLOR_RESET} has been created.
 Remaining processes are...
 1. Make sure all changes are correct
 	${COLOR_COMMAND}git diff ${BASE_BRANCH} ${BRANCH}${COLOR_RESET}
 2. Push to remote ${UPSTREAM}
 	${COLOR_COMMAND}git push --set-upstream ${UPSTREAM} ${BRANCH}${COLOR_RESET}
 3. Create a pull-request: ${COLOR_BRANCH}${BRANCH}${COLOR_RESET} to ${COLOR_BRANCH}${BASE_BRANCH}${COLOR_RESET}
 	${URL_COMPARE}/${BASE_BRANCH}...${BRANCH}?expand=1
 	select ${COLOR_SELECT}Squash and merge${COLOR_RESET}
 4. Create a pull-request: ${COLOR_BRANCH}${BASE_BRANCH}${COLOR_RESET} to ${COLOR_BRANCH}${TARGET_BRANCH}${COLOR_RESET}
 	${URL_COMPARE}/${TARGET_BRANCH}...${BASE_BRANCH}?expand=1&title=version%20${VERSION}&body=${CHANGELOG}
 	select ${COLOR_SELECT}Create a merge commit${COLOR_RESET}
 5. Create a new release
 	${URL_RELEASE}?tag=${TAG}&target=${TARGET_BRANCH}&title=${PACKAGE_NAME}%20${VERSION}%20released&body=${CHANGELOG}
 	Tag version: ${COLOR_INPUT}${TAG}${COLOR_RESET}
 	Target: ${COLOR_INPUT}${TARGET_BRANCH}${COLOR_RESET}
 	Release title: ${COLOR_INPUT}${PACKAGE_NAME} ${VERSION} released${COLOR_RESET}
 	Description this release: (copy and paste CHANGELOG.md)
 6. Post processing
 	${COLOR_COMMAND}git checkout ${BASE_BRANCH}${COLOR_RESET}
 	${COLOR_COMMAND}git pull${COLOR_RESET}
 	${COLOR_COMMAND}git fetch -p${COLOR_RESET}
 	${COLOR_COMMAND}git branch -D ${BRANCH}${COLOR_RESET}
 That's all!
 "
 }
 main "$@"
--- a/scripts/update-dependencies.sh
+++ b/scripts/update-dependencies.sh
@ -18,6 +18,7 @@ npm run check-updates -- -u
 # re-install packages
 rm -rf package-lock.json node_modules
 npm i
 npm dedupe
 # check
 npm run build
--- a/src/main.ts
+++ b/src/main.ts
@ -3,126 +3,128 @@ import path from "path";
 import * as core from "@actions/core";
-interface FileInfo
+interface FileInfo {
-{
+    name: string;
-	name: string;
+    contents: string;
-	contents: string;
+    options: fs.WriteFileOptions;
-	options: fs.WriteFileOptions;
+}
 const KNOWN_HOSTS = [
    "github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==",
 ];
 try {
    main();
 } catch (err) {
    if (err instanceof Error) {
        core.setFailed(err);
    }
 }
 /**
 * main function
 */
-function main(): void
+function main(): void {
-{
+    // parameters
-	try
+    const key = core.getInput("key", {
-	{
+        required: true,
-		// parameters
+    });
-		const key = core.getInput("key", {
+    const name = core.getInput("name");
-			required: true,
+    const knownHosts = core.getInput("known_hosts", {
-		});
+        required: true,
-		const name = core.getInput("name");
+    });
-		const knownHosts = core.getInput("known_hosts", {
+    const config = core.getInput("config");
-			required: true,
+    const ifKeyExists = core.getInput("if_key_exists");
 		});
 		const config = core.getInput("config");
 		const ifKeyExists = core.getInput("if_key_exists");
-		// create ".ssh" directory
+    // create ".ssh" directory
-		const home = getHomeDirectory();
+    const sshDirName = createSshDirectory();
 		const dirName = path.resolve(home, ".ssh");
 		fs.mkdirSync(dirName, {
 			recursive: true,
 			mode: 0o700,
 		});
-		// files to be created
+    // files to be created
-		const files: FileInfo[] = [];
+    const files: FileInfo[] = [
-		if(shouldCreateKeyFile(path.join(dirName, name), ifKeyExists))
+        {
-		{
+            name: "known_hosts",
-			files.push({
+            contents: insertLf(buildKnownHostsArray(knownHosts).join("\n"), true, true),
-				name: name,
+            options: {
-				contents: insertLf(key, false, true),
+                mode: 0o644,
-				options: {
+                flag: "a",
-					mode: 0o400,
+            },
-					flag: "wx",
+        },
-				},
+    ];
-			});
+    if (shouldCreateKeyFile(path.join(sshDirName, name), ifKeyExists)) {
-		}
+        files.push({
-		if(knownHosts !== "unnecessary")
+            name: name,
-		{
+            contents: insertLf(key, false, true),
-			files.push({
+            options: {
-				name: "known_hosts",
+                mode: 0o400,
-				contents: insertLf(knownHosts, true, true),
+                flag: "wx",
-				options: {
+            },
-					mode: 0o644,
+        });
-					flag: "a",
+    }
-				},
+    if (config !== "") {
-			});
+        files.push({
-		}
+            name: "config",
-		if(config !== "")
+            contents: insertLf(config, true, true),
-		{
+            options: {
-			files.push({
+                mode: 0o644,
-				name: "config",
+                flag: "a",
-				contents: insertLf(config, true, true),
+            },
-				options: {
+        });
-					mode: 0o644,
+    }
 					flag: "a",
 				},
 			});
 		}
-		// create files
+    // create files
-		for(const file of files)
+    for (const file of files) {
-		{
+        const fileName = path.join(sshDirName, file.name);
-			const fileName = path.join(dirName, file.name);
+        fs.writeFileSync(fileName, file.contents, file.options);
-			fs.writeFileSync(fileName, file.contents, file.options);
+    }
 		}
-		console.log(`SSH key has been stored to ${dirName} successfully.`);
+    console.log(`SSH key has been stored to ${sshDirName} successfully.`);
-	}
+}
-	catch(err)
+
-	{
+/**
-		core.setFailed(err.message);
+ * create ".ssh" directory
-	}
+ * @returns directory name
 */
 function createSshDirectory(): string {
    const home = getHomeDirectory();
    const dirName = path.resolve(home, ".ssh");
    fs.mkdirSync(dirName, {
        recursive: true,
        mode: 0o700,
    });
    return dirName;
 }
 /**
 * get home directory
- * @returns home directory
+ * @returns home directory name
 */
-function getHomeDirectory(): string
+function getHomeDirectory(): string {
-{
+    const homeEnv = getHomeEnv();
-	const homeEnv = getHomeEnv();
+    const home = process.env[homeEnv];
-	const home = process.env[homeEnv];
+    if (home === undefined) {
-	if(home === undefined)
+        throw Error(`${homeEnv} is not defined`);
-	{
+    }
 		throw Error(`${homeEnv} is not defined`);
 	}
-	if(home === "/github/home")
+    if (home === "/github/home") {
-	{
+        // Docker container
-		// Docker container
+        return "/root";
-		return "/root";
+    }
 	}
-	return home;
+    return home;
 }
 /**
 * get HOME environment name
 * @returns HOME environment name
 */
-function getHomeEnv(): string
+function getHomeEnv(): string {
-{
+    if (process.platform === "win32") {
-	if(process.platform === "win32")
+        // Windows
-	{
+        return "USERPROFILE";
-		// Windows
+    }
 		return "USERPROFILE";
 	}
-	// macOS / Linux
+    // macOS / Linux
-	return "HOME";
+    return "HOME";
 }
 /**
@ -132,25 +134,21 @@ function getHomeEnv(): string
 * @param append true to append
 * @returns new value
 */
-function insertLf(value: string, prepend: boolean, append: boolean): string
+function insertLf(value: string, prepend: boolean, append: boolean): string {
-{
+    let affectedValue = value;
 	let affectedValue = value;
-	if(value.length === 0)
+    if (value.length === 0) {
-	{
+        // do nothing if empty
-		// do nothing if empty
+        return "";
-		return "";
+    }
-	}
+    if (prepend && !affectedValue.startsWith("\n")) {
-	if(prepend && !affectedValue.startsWith("\n"))
+        affectedValue = `\n${affectedValue}`;
-	{
+    }
-		affectedValue = `\n${affectedValue}`;
+    if (append && !affectedValue.endsWith("\n")) {
-	}
+        affectedValue = `${affectedValue}\n`;
-	if(append && !affectedValue.endsWith("\n"))
+    }
 	{
 		affectedValue = `${affectedValue}\n`;
 	}
-	return affectedValue;
+    return affectedValue;
 }
 /**
@ -159,29 +157,36 @@ function insertLf(value: string, prepend: boolean, append: boolean): string
 * @param ifKeyExists action if SSH key exists
 * @returns Yes/No
 */
-function shouldCreateKeyFile(keyFilePath: string, ifKeyExists: string): boolean
+function shouldCreateKeyFile(keyFilePath: string, ifKeyExists: string): boolean {
-{
+    if (!fs.existsSync(keyFilePath)) {
-	if(!fs.existsSync(keyFilePath))
+        // should create if file does not exist
-	{
+        return true;
-		// should create if file does not exist
+    }
 		return true;
 	}
-	switch(ifKeyExists)
+    switch (ifKeyExists) {
-	{
+        case "replace":
-	case "replace":
+            // remove file and should create if replace
-		// remove file and should create if replace
+            fs.unlinkSync(keyFilePath);
-		fs.unlinkSync(keyFilePath);
+            return true;
 		return true;
-	case "ignore":
+        case "ignore":
-		// should NOT create if ignore
+            // should NOT create if ignore
-		return false;
+            return false;
-	default:
+        default:
-		// error otherwise
+            // error otherwise
-		throw new Error(`SSH key is already installed. Set "if_key_exists" to "replace" or "ignore" in order to avoid this error.`);
+            throw new Error(`SSH key is already installed. Set "if_key_exists" to "replace" or "ignore" in order to avoid this error.`);
-	}
+    }
 }
-main();
+/**
 * build array of known_hosts
 * @param knownHosts known_hosts
 * @returns array of known_hosts
 */
 function buildKnownHostsArray(knownHosts: string): string[] {
    if (knownHosts === "unnecessary") {
        return KNOWN_HOSTS;
    }
    return KNOWN_HOSTS.concat(knownHosts);
 }