Build the tutorial against ember-source main

.github/workflows/build.yml

@@ -6,7 +6,12 @@ on:
       - main
   schedule:
     - cron: '0 0 * * *'
-  workflow_dispatch: {}
+  workflow_dispatch:
+    inputs:
+      ember-source:
+        description: 'ember-source for the main channel: a full ember.js commit SHA or a tarball URL. Empty uses the latest build of main.'
+        required: false
+        type: string
 
 jobs:
   build:
@@ -26,6 +31,7 @@ jobs:
           - release
           - beta
           - alpha
+          - main
         all-deprecations:
           - false
           - true
@@ -69,7 +75,7 @@ jobs:
         run: |
           if [[ "$EMBER_RELEASE_CHANNEL" == "beta" ]]; then
             pnpm install --save-dev ember-cli@beta @ember/app-blueprint@beta
-          elif [[ "$EMBER_RELEASE_CHANNEL" == "alpha" ]]; then
+          elif [[ "$EMBER_RELEASE_CHANNEL" == "alpha" || "$EMBER_RELEASE_CHANNEL" == "main" ]]; then
             pnpm install --save-dev ember-cli@alpha @ember/app-blueprint@alpha
           else
             pnpm install --save-dev ember-cli@latest
@@ -78,6 +84,28 @@ jobs:
           pnpm install
         env:
           EMBER_RELEASE_CHANNEL: ${{ matrix.channel }}
+      - name: Find the ember-source build of main
+        if: matrix.channel == 'main'
+        run: |
+          # ember.js CI uploads a build of every push to main
+          # to canary/shas/<sha>.tgz.
+          # canary.json points to the latest one.
+          if [[ "$EMBER_SOURCE_INPUT" =~ ^https?:// ]]; then
+            tarball="$EMBER_SOURCE_INPUT"
+          elif [[ "$EMBER_SOURCE_INPUT" =~ ^[0-9a-f]{40}$ ]]; then
+            tarball="https://s3.amazonaws.com/builds.emberjs.com/canary/shas/${EMBER_SOURCE_INPUT}.tgz"
+          elif [[ -z "$EMBER_SOURCE_INPUT" ]]; then
+            asset_path=$(curl --fail --silent --show-error https://s3.amazonaws.com/builds.emberjs.com/canary.json | jq --raw-output .assetPath)
+            tarball="https://s3.amazonaws.com/builds.emberjs.com${asset_path}"
+          else
+            echo "::error::The ember-source input must be a full commit SHA or a URL: $EMBER_SOURCE_INPUT"
+            exit 1
+          fi
+
+          curl --fail --silent --show-error --head "$tarball" > /dev/null
+          echo "EMBER_SOURCE_TARBALL=$tarball" >> "$GITHUB_ENV"
+        env:
+          EMBER_SOURCE_INPUT: ${{ inputs.ember-source }}
       - name: Lint (markdown source)
         run: pnpm lint:md:src
       - name: Lint (typescript)

src/markdown/tutorial/part-1/01-orientation.md

@@ -96,6 +96,12 @@ grep -q '_ALL_DEPRECATIONS_ENABLED: true,' config/environment.js
 
 ```
 
+```run:command hidden=true cwd=super-rentals
+# CI sets EMBER_SOURCE_TARBALL to test ember-source builds
+# that are not on npm, for example the latest build of main.
+if [ -n "$EMBER_SOURCE_TARBALL" ]; then pnpm i --save-dev "ember-source@$EMBER_SOURCE_TARBALL"; fi
+```
+
 ```run:command hidden=true cwd=super-rentals
 pnpm i --save-dev concurrently
 git add package.json