Support container-based workflows and Windows (#17)

Author: mpdude

.github/workflows/demo.yml

@@ -4,7 +4,7 @@ jobs:
     single_key_demo:
         strategy:
             matrix:
-                os: [ubuntu-latest, macOS-latest]
+                os: [ubuntu-latest, macOS-latest, windows-latest]
         runs-on: ${{ matrix.os }}
         steps:
             - uses: actions/checkout@v1
@@ -26,3 +26,17 @@ jobs:
               uses: ./
               with:
                   ssh-private-key: ${{ secrets.DEMO_KEY }}
+
+    docker_demo:
+        runs-on: ubuntu-latest        
+        container:
+            image: ubuntu:latest
+        steps:
+            - uses: actions/checkout@v1
+            - run: apt update && apt install -y openssh-client
+            - name: Setup key
+              uses: ./
+              with:
+                  ssh-private-key: |
+                    ${{ secrets.DEMO_KEY }}
+                    ${{ secrets.DEMO_KEY_2 }}

dist/index.js

@@ -118,12 +118,9 @@ exports.issueCommand = issueCommand;
 const core = __webpack_require__(470);
 const child_process = __webpack_require__(129);
 const fs = __webpack_require__(747);
+const os = __webpack_require__(87);
 
 try {
-
-    const home = process.env['HOME'];
-    const homeSsh = home + '/.ssh';
-
     const privateKey = core.getInput('ssh-private-key');
 
     if (!privateKey) {
@@ -132,6 +129,21 @@ try {
         return;
     }
 
+    var home;
+
+    if (process.env['OS'] == 'Windows_NT') {
+        console.log('Preparing ssh-agent service on Windows');
+        child_process.execSync('sc config ssh-agent start=demand', { stdio: 'inherit' });
+
+        home = os.homedir();
+    } else {
+        // Use getent() system call, since this is what ssh does; makes a difference in Docker-based
+        // Action runs, where $HOME is different from the pwent
+        var { homedir: home } = os.userInfo();
+    }
+
+    const homeSsh = home + '/.ssh';
+
     console.log(`Adding GitHub.com keys to ${homeSsh}/known_hosts`);
     fs.mkdirSync(homeSsh, { recursive: true });
     fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n');

index.js

@@ -1,12 +1,9 @@
 const core = require('@actions/core');
 const child_process = require('child_process');
 const fs = require('fs');
+const os = require('os');
 
 try {
-
-    const home = process.env['HOME'];
-    const homeSsh = home + '/.ssh';
-
     const privateKey = core.getInput('ssh-private-key');
 
     if (!privateKey) {
@@ -15,6 +12,21 @@ try {
         return;
     }
 
+    var home;
+
+    if (process.env['OS'] == 'Windows_NT') {
+        console.log('Preparing ssh-agent service on Windows');
+        child_process.execSync('sc config ssh-agent start=demand', { stdio: 'inherit' });
+
+        home = os.homedir();
+    } else {
+        // Use getent() system call, since this is what ssh does; makes a difference in Docker-based
+        // Action runs, where $HOME is different from the pwent
+        var { homedir: home } = os.userInfo();
+    }
+
+    const homeSsh = home + '/.ssh';
+
     console.log(`Adding GitHub.com keys to ${homeSsh}/known_hosts`);
     fs.mkdirSync(homeSsh, { recursive: true });
     fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n');