Add micromamba to PATH (#161)

.github/workflows/test.yml

@@ -273,6 +273,20 @@ jobs:
       - run: |
           test "${{ steps.setup-micromamba.outputs.environment-path }}" = ""
 
+  check-micromamba-on-path:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./
+        with:
+          init-shell: none
+          environment-file: test/environment.yml
+      - run: |
+          which micromamba | grep /home/runner/micromamba-bin/micromamba
+          type micromamba | grep "micromamba is /home/runner/micromamba-bin/micromamba"
+          which micromamba-shell | grep /home/runner/micromamba-bin/micromamba-shell
+        shell: bash -el {0}
+
   # not properly testable
   # https://github.com/actions/runner/issues/2347
   # https://github.com/orgs/community/discussions/15452

README.md

@@ -130,7 +130,7 @@ With this, you don't need to initialize your shell and activate the environment
 You can set this behavior by specifying the `generate-run-shell` input (defaults to `true`).
 
 > [!NOTE]
-> Under the hood, this shell wrapper runs `micromamba run -r <root-prefix-path> -n <env-name> <command>` with `<command>` being a file containing the part that you specify in the `run:` section of your workflow. 
+> Under the hood, this shell wrapper runs `micromamba run -r <root-prefix-path> -n <env-name> <command>` with `<command>` being a file containing the part that you specify in the `run:` section of your workflow.
 > See the [official documentation](https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#custom-shell) and [ADR 0277](https://github.com/actions/runner/blob/main/docs/adrs/0277-run-action-shell-options.md) for more information about how the `shell:` input works in GitHub Actions.
 
 > [!WARNING]

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-micromamba",
-  "version": "1.4.4",
+  "version": "1.5.0",
   "private": true,
   "description": "Action to setup micromamba",
   "scripts": {

src/main.ts

@@ -22,6 +22,7 @@ const downloadMicromamba = (url: string) => {
     .mkdir(path.dirname(options.micromambaBinPath), { recursive: true })
     .then(() => downloadTool(url, options.micromambaBinPath))
     .then((_downloadPath) => fs.chmod(options.micromambaBinPath, 0o755))
+    .then(() => core.addPath(path.dirname(options.micromambaBinPath)))
     .then(() => core.info(`micromamba installed to ${options.micromambaBinPath}`))
     .catch((err) => {
       core.error(`Error installing micromamba: ${err.message}`)
@@ -135,9 +136,9 @@ $MAMBA_EXE run -r $MAMBA_ROOT_PREFIX -n $MAMBA_DEFAULT_ENV $1
         .replace(/\$MAMBA_EXE/g, options.micromambaBinPath)
         .replace(/\$MAMBA_ROOT_PREFIX/g, options.micromambaRootPath)
         .replace(/\$MAMBA_DEFAULT_ENV/g, environmentName)
-      core.debug(`Writing micromamba run shell to ${PATHS.micromambaRunShell}`)
+      core.debug(`Writing micromamba run shell to ${options.micromambaRunShellPath}`)
       core.debug(`File contents:\n"${file}"`)
-      return fs.writeFile(PATHS.micromambaRunShell, file, { encoding: 'utf8', mode: 0o755 })
+      return fs.writeFile(options.micromambaRunShellPath, file, { encoding: 'utf8', mode: 0o755 })
     })
     .finally(core.endGroup)
 }

src/options.ts

@@ -13,7 +13,6 @@ const core = process.env.MOCKING ? coreMocked : coreDefault
 export const PATHS = {
   micromambaBin: path.join(os.homedir(), 'micromamba-bin', `micromamba${os.platform() === 'win32' ? '.exe' : ''}`),
   micromambaRoot: path.join(os.homedir(), 'micromamba'),
-  micromambaRunShell: '/usr/local/bin/micromamba-shell',
   bashProfile: path.join(os.homedir(), '.bash_profile'),
   bashrc: path.join(os.homedir(), '.bashrc')
 }
@@ -55,6 +54,7 @@ export type Options = Readonly<{
   postCleanup: PostCleanupType
   micromambaRootPath: string
   micromambaBinPath: string
+  micromambaRunShellPath: string
 }>
 
 const postCleanupSchema = z.enum(['none', 'shell-init', 'environment', 'all'])
@@ -126,6 +126,9 @@ const inferOptions = (inputs: Inputs): Options => {
     : inputs.initShell.includes('none')
     ? []
     : (inputs.initShell as ShellType[])
+  const micromambaBinPath = inputs.micromambaBinPath
+    ? path.resolve(untildify(inputs.micromambaBinPath))
+    : PATHS.micromambaBin
 
   return {
     ...inputs,
@@ -144,9 +147,8 @@ const inferOptions = (inputs: Inputs): Options => {
     condarcFile: inputs.condarcFile
       ? path.resolve(untildify(inputs.condarcFile))
       : path.join(path.dirname(PATHS.micromambaBin), '.condarc'), // next to the micromamba binary -> easier cleanup
-    micromambaBinPath: inputs.micromambaBinPath
-      ? path.resolve(untildify(inputs.micromambaBinPath))
-      : PATHS.micromambaBin,
+    micromambaBinPath,
+    micromambaRunShellPath: path.join(path.dirname(micromambaBinPath), 'micromamba-shell'),
     micromambaRootPath: inputs.micromambaRootPath
       ? path.resolve(untildify(inputs.micromambaRootPath))
       : PATHS.micromambaRoot

src/post.ts

@@ -3,7 +3,7 @@ import * as os from 'os'
 import path from 'path'
 import * as coreDefault from '@actions/core'
 import { coreMocked } from './mocking'
-import { PATHS, options } from './options'
+import { options } from './options'
 import { determineEnvironmentName } from './util'
 import { shellDeinit } from './shell-init'
 import { saveCacheDownloads } from './cache'
@@ -15,7 +15,7 @@ const removeMicromambaRunShell = () => {
     return Promise.resolve()
   }
   core.info('Removing micromamba run shell ...')
-  return fs.rm(PATHS.micromambaRunShell)
+  return fs.rm(options.micromambaRunShellPath)
 }
 
 const uninstallEnvironment = () => {