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Don't start ssh-agent if it's already running #108

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11 changes: 6 additions & 5 deletions .github/workflows/demo.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,12 +9,14 @@ jobs:
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v3
- name: Setup key
- name: Setup first key
uses: ./
with:
ssh-private-key: |
${{ secrets.MPDUDE_TEST_1_DEPLOY_KEY }}
${{ secrets.MPDUDE_TEST_2_DEPLOY_KEY }}
ssh-private-key: ${{ secrets.MPDUDE_TEST_1_DEPLOY_KEY }}
- name: Setup second key
uses: ./
with:
ssh-private-key: ${{ secrets.MPDUDE_TEST_2_DEPLOY_KEY }}
- run: |
git clone https://github.com/mpdude/test-1.git test-1-http
git clone git@github.com:mpdude/test-1.git test-1-git
Expand Down Expand Up @@ -43,4 +45,3 @@ jobs:
git clone https://github.com/mpdude/test-2.git test-2-http
git clone git@github.com:mpdude/test-2.git test-2-git
git clone ssh://git@github.com/mpdude/test-2.git test-2-git-ssh

26 changes: 15 additions & 11 deletions dist/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -351,21 +351,25 @@ try {
fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl\n');
fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n');

console.log("Starting ssh-agent");

const authSock = core.getInput('ssh-auth-sock');
const sshAgentArgs = (authSock && authSock.length > 0) ? ['-a', authSock] : [];

// Extract auth socket path and agent pid and set them as job variables
child_process.execFileSync(sshAgentCmd, sshAgentArgs).toString().split("\n").forEach(function(line) {
const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(line);
if (child_process.spawnSync(sshAdd, ['-l'], { env: { ...process.env, SSH_AUTH_SOCK: authSock || process.env.SSH_AUTH_SOCK } }).status === 0) {
console.log('ssh-agent is already running, not starting a new one');
} else {
console.log("Starting ssh-agent");

if (matches && matches.length > 0) {
// This will also set process.env accordingly, so changes take effect for this script
core.exportVariable(matches[1], matches[2])
console.log(`${matches[1]}=${matches[2]}`);
}
});
// Extract auth socket path and agent pid and set them as job variables
child_process.execFileSync(sshAgent, sshAgentArgs).toString().split("\n").forEach(function(line) {
const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(line);

if (matches && matches.length > 0) {
// This will also set process.env accordingly, so changes take effect for this script
core.exportVariable(matches[1], matches[2]);
console.log(`${matches[1]}=${matches[2]}`);
}
});
}

console.log("Adding private key(s) to agent");

Expand Down
28 changes: 16 additions & 12 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -31,21 +31,25 @@ try {
fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl\n');
fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n');

console.log("Starting ssh-agent");

const authSock = core.getInput('ssh-auth-sock');
const sshAgentArgs = (authSock && authSock.length > 0) ? ['-a', authSock] : [];

// Extract auth socket path and agent pid and set them as job variables
child_process.execFileSync(sshAgentCmd, sshAgentArgs).toString().split("\n").forEach(function(line) {
const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(line);

if (matches && matches.length > 0) {
// This will also set process.env accordingly, so changes take effect for this script
core.exportVariable(matches[1], matches[2])
console.log(`${matches[1]}=${matches[2]}`);
}
});
if (child_process.spawnSync(sshAdd, ['-l'], { env: { ...process.env, SSH_AUTH_SOCK: authSock || process.env.SSH_AUTH_SOCK } }).status === 0) {
console.log('ssh-agent is already running, not starting a new one');
} else {
console.log("Starting ssh-agent");

// Extract auth socket path and agent pid and set them as job variables
child_process.execFileSync(sshAgent, sshAgentArgs).toString().split("\n").forEach(function(line) {
const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(line);

if (matches && matches.length > 0) {
// This will also set process.env accordingly, so changes take effect for this script
core.exportVariable(matches[1], matches[2]);
console.log(`${matches[1]}=${matches[2]}`);
}
});
}

console.log("Adding private key(s) to agent");

Expand Down