Feat: Allow different shell for post

.github/workflows/tests.yml

@@ -136,3 +136,11 @@ jobs:
             echo "bar"
             echo baz \ blah \
               boom
+
+      - name: Change post shell
+        uses: ./
+        with:
+          run: if [ "$0" = "/usr/bin/sh" ]; then echo "Test passed"; else exit 1; fi
+          shell: sh
+          post: if [ "$0" = "/usr/bin/bash" ]; then echo "Test passed"; else exit 1; fi
+          post-shell: bash

README.md

@@ -46,12 +46,13 @@ This above configuration will produce the following:
 
 Following inputs can be used as `step.with` keys:
 
-| Name                |        Type        | Default | Required | Description                                                    |
-|---------------------|:------------------:|:-------:|:--------:|----------------------------------------------------------------|
-| `run`               | `string` or `list` |         |    no    | A commands that needs to be run in place.                      |
-| `post`              | `string` or `list` |         |   yes    | A commands that needs to be run once a workflow job has ended. |
-| `working-directory` |      `string`      |         |    no    | A working directory from which the command needs to be run.    |
-| `shell`             |      `string`      | `bash`  |    no    | A shell to use for executing commands.                         |
+| Name                |        Type        | Default | Required | Description                                                                 |
+|---------------------|:------------------:|:-------:|:--------:|-----------------------------------------------------------------------------|
+| `run`               | `string` or `list` |         |    no    | A commands that needs to be run in place.                                   |
+| `post`              | `string` or `list` |         |   yes    | A commands that needs to be run once a workflow job has ended.              |
+| `working-directory` |      `string`      |         |    no    | A working directory from which the command needs to be run.                 |
+| `shell`             |      `string`      | `bash`  |    no    | A shell to use for executing `run` commands.                                |
+| `post-shell`        |      `string`      |         |    no    | A shell to use for executing `post` commands. Defaults to value of `shell`. |
 
 ## Releasing
 

action.yml

@@ -14,9 +14,12 @@ inputs:
     description: A working directory from which the command needs to be run.
     required: false
   shell:
-    description: A shell to use for executing commands. Set to empty string to use the direct command call.
+    description: A shell to use for executing run commands. Set to empty string to use the direct command call.
     required: false
     default: bash
+  post-shell:
+    description: A shell to use for executing post commands. Defaults to value of shell input.
+    required: false
 
 runs:
   using: 'node16'

src/common.js

@@ -8,14 +8,15 @@ const input = {
   post: core.getMultilineInput('post', {required: true}),
   workingDirectory: core.getInput('working-directory'),
   shell: core.getInput('shell'),
+  postShell: core.getInput('post-shell'),
 };
 
 export async function run() {
-  return runCommands(joinMultilineCommands(input.run))
+  return runCommands(joinMultilineCommands(input.run), input.shell)
 }
 
 export async function post() {
-  return runCommands(joinMultilineCommands(input.post))
+  return runCommands(joinMultilineCommands(input.post), input.postShell ? input.postShell : input.shell)
 }
 
 /**
@@ -42,8 +43,9 @@ function joinMultilineCommands(commands) {
 
 /**
  * @param {String[]} commands
+ * @param {String[]} shell
  */
-async function runCommands(commands) {
+async function runCommands(commands, shell) {
   /** @type {import('@actions/exec/lib/interfaces').ExecOptions} */
   const options = {
     cwd: input.workingDirectory,
@@ -60,9 +62,9 @@ async function runCommands(commands) {
       if (command !== "") {
         core.info(`\x1b[1m$ ${command}\x1b[0m`)
 
-        let exitCode = input.shell === ""
+        let exitCode = shell === ""
           ? await exec.exec(command, [], options)
-          : await exec.exec(input.shell, ['-c', command], options)
+          : await exec.exec(shell, ['-c', command], options)
 
         if (exitCode !== 0) {
           core.setFailed(`Command failed with exit code ${exitCode}`)