k, setting $TEA_DIR always was bad (#36)

.github/workflows/ci.yml

@@ -49,10 +49,13 @@ jobs:
           - /opt
         container:
           - ~
-          - ghcr.io/teaxyz/infuser:latest
-        exclude:
-          - os: macos-latest
+        include:
+          - os: ubuntu-latest
             container: ghcr.io/teaxyz/infuser:latest
+            srcroot: .
+          - os: ubuntu-latest
+            container: ghcr.io/teaxyz/infuser:latest
+            srcroot: ~
     container: ${{ matrix.container }}
     steps:
       - uses: actions/checkout@v3
@@ -64,6 +67,7 @@ jobs:
         with:
           prefix: ${{ matrix.prefix }}
           target: test
+          srcroot: ${{ matrix.srcroot || github.workspace }}
 
       - run: test -n "$VERSION"
       - run: test -n "${{ steps.tea.outputs.version }}"

README.md

@@ -3,7 +3,7 @@
 [`install.sh`](./install.sh) is delivered when you `curl tea.xyz`.
 
 
-# GitHub Action 0.5.1
+# GitHub Action 0.5.3
 
 This repository also provides the `tea` GitHub Action.
 

action.js

@@ -1,12 +1,24 @@
 const { execSync, spawn } = require('child_process')
 const https = require('https')
+const path = require('path')
 const fs = require('fs')
 const os = require("os")
 
 async function go() {
   process.stdout.write("installing tea…\n")
 
   const PREFIX = process.env['INPUT_PREFIX'] || `${os.homedir()}/opt`
+  const TEA_DIR = (() => {
+    let TEA_DIR = process.env['INPUT_SRCROOT']
+    if (!TEA_DIR) return
+    TEA_DIR = TEA_DIR.trim()
+    if (!TEA_DIR) return
+    if (!TEA_DIR.startsWith("/")) {
+      // for security this must be an absolute path
+      TEA_DIR = `${process.cwd()}/${TEA_DIR}`
+    }
+    return path.normalize(TEA_DIR)
+  })()
 
   // we build to /opt and special case this action so people new to
   // building aren’t immediatelyt flumoxed
@@ -59,13 +71,9 @@ async function go() {
   fs.appendFileSync(GITHUB_PATH, `${bindir}\n`, {encoding: 'utf8'})
 
   const teafile = `${bindir}/tea`
-  const TEA_DIR = process.cwd()
 
   const env = {
     TEA_DIR,
-    // ^^ if there's no git then the checkout action uses the GitHub API
-    // to check out the repo. So there won’t be a `.git` directory and tea
-    // won’t find the SRCROOT
     ...process.env
   }
 
@@ -85,9 +93,10 @@ async function go() {
       fs.appendFileSync(GITHUB_ENV, `VERSION=${version}\n`, {encoding: 'utf8'})
     }
 
-    process.stdout.write(`::set-output name=srcroot::${TEA_DIR}\n`)
-    fs.appendFileSync(GITHUB_ENV, `TEA_DIR=${TEA_DIR}\n`, {encoding: 'utf8'})
-
+    if (TEA_DIR) {
+      process.stdout.write(`::set-output name=srcroot::${TEA_DIR}\n`)
+      fs.appendFileSync(GITHUB_ENV, `TEA_DIR=${TEA_DIR}\n`, {encoding: 'utf8'})
+    }
   } catch {
     // `tea -Eds` returns exit code 1 if no SRCROOT is found
     //TODO a flag so it returns 0 so we can not just swallow all errors lol

action.yml

@@ -12,6 +12,17 @@ inputs:
       Set to `null` to install to the tea default (~/.tea).
       For GHA we default to `~/opt`.
     required: false
+  srcroot:
+    description: |
+      Override detection of `$SRCROOT`.
+
+      tea normally finds your `$SRCROOT` by looking for a `.git` directory.
+      However, if git is not installed the checkout action uses the GitHub
+      API to download the repository.
+
+      You will need this if you depend on the virtual environment tea
+      provides.
+
 outputs:
   version:
     description: Your project’s version.