alpine linux support (#100)

* detect linux distro and use apk for alpine
mxschmitt · Dec 5, 2021 · b926bc4 · b926bc4
1 parent 80a9fae
commit b926bc4
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Showing 3 changed files with 51 additions and 5 deletions.
diff --git a/lib/index.js b/lib/index.js
@@ -10243,11 +10243,13 @@ var external_child_process_ = __nccwpck_require__(3129);
 
 
 
+
 /**
  * @param {string} cmd
  * @returns {Promise<string>}
  */
 const execShellCommand = (cmd) => {
+  core.debug(`Executing shell command: [${cmd}]`)
   return new Promise((resolve, reject) => {
     const proc = process.platform !== "win32" ?
       (0,external_child_process_.spawn)(cmd, [], { shell: true }) :
@@ -10290,6 +10292,20 @@ const getValidatedInput = (key) => {
   return value;
 }
 
+
+/**
+ * @return {Promise<string>}
+ */
+const getLinuxDistro = async () => {
+  try {
+    const osRelease = await external_fs_default().promises.readFile("/etc/os-release")
+    const match = osRelease.toString().match(/^ID=(.*)$/m)
+    return match ? match[1] : "(unknown)"
+  } catch (e) {
+    return "(unknown)"
+  }
+}
+
 ;// CONCATENATED MODULE: ./src/index.js
 // @ts-check
 
@@ -10328,8 +10344,15 @@ async function run() {
       await execShellCommand('pacman -Sy --noconfirm tmate');
       tmateExecutable = 'CHERE_INVOKING=1 tmate'
     } else {
-      await execShellCommand(optionalSudoPrefix + 'apt-get update');
-      await execShellCommand(optionalSudoPrefix + 'apt-get install -y openssh-client xz-utils');
+      const distro = await getLinuxDistro();
+      core.debug("linux distro: [" + distro + "]");
+      if (distro === "alpine") {
+        // for set -e workaround, we need to install bash because alpine doesn't have it
+        await execShellCommand(optionalSudoPrefix + 'apk add openssh-client xz bash');
+      } else {
+        await execShellCommand(optionalSudoPrefix + 'apt-get update');
+        await execShellCommand(optionalSudoPrefix + 'apt-get install -y openssh-client xz-utils');
+      }
 
       const tmateArch = TMATE_ARCH_MAP[external_os_default().arch()];
       if (!tmateArch) {

diff --git a/src/helpers.js b/src/helpers.js
@@ -1,12 +1,14 @@
 // @ts-check
 import { spawn } from 'child_process'
 import * as core from "@actions/core"
+import fs from 'fs'
 
 /**
  * @param {string} cmd
  * @returns {Promise<string>}
  */
 export const execShellCommand = (cmd) => {
+  core.debug(`Executing shell command: [${cmd}]`)
   return new Promise((resolve, reject) => {
     const proc = process.platform !== "win32" ?
       spawn(cmd, [], { shell: true }) :
@@ -48,3 +50,17 @@ export const getValidatedInput = (key) => {
   }
   return value;
 }
+
+
+/**
+ * @return {Promise<string>}
+ */
+export const getLinuxDistro = async () => {
+  try {
+    const osRelease = await fs.promises.readFile("/etc/os-release")
+    const match = osRelease.toString().match(/^ID=(.*)$/m)
+    return match ? match[1] : "(unknown)"
+  } catch (e) {
+    return "(unknown)"
+  }
+}
diff --git a/src/index.js b/src/index.js
@@ -7,7 +7,7 @@ import * as github from "@actions/github"
 import * as tc from "@actions/tool-cache"
 import { Octokit } from "@octokit/rest"
 
-import { execShellCommand, getValidatedInput } from "./helpers"
+import { execShellCommand, getValidatedInput, getLinuxDistro } from "./helpers"
 
 const TMATE_LINUX_VERSION = "2.4.0"
 
@@ -35,8 +35,15 @@ export async function run() {
       await execShellCommand('pacman -Sy --noconfirm tmate');
       tmateExecutable = 'CHERE_INVOKING=1 tmate'
     } else {
-      await execShellCommand(optionalSudoPrefix + 'apt-get update');
-      await execShellCommand(optionalSudoPrefix + 'apt-get install -y openssh-client xz-utils');
+      const distro = await getLinuxDistro();
+      core.debug("linux distro: [" + distro + "]");
+      if (distro === "alpine") {
+        // for set -e workaround, we need to install bash because alpine doesn't have it
+        await execShellCommand(optionalSudoPrefix + 'apk add openssh-client xz bash');
+      } else {
+        await execShellCommand(optionalSudoPrefix + 'apt-get update');
+        await execShellCommand(optionalSudoPrefix + 'apt-get install -y openssh-client xz-utils');
+      }
 
       const tmateArch = TMATE_ARCH_MAP[os.arch()];
       if (!tmateArch) {