From 5dda7bb6a75c2d3253253e1b6a86db5b35ade606 Mon Sep 17 00:00:00 2001
From: programminghoch10 <16062290+programminghoch10@users.noreply.github.com>
Date: Wed, 16 Oct 2024 22:56:16 +0200
Subject: [PATCH] restructure ci to not rebuild when nothing changed

---
 .github/actions/deploy.yml      | 60 ++++++++++++++++++++++++++++++
 .github/workflows/automerge.yml |  5 +++
 .github/workflows/ci.yml        | 17 ++++++++-
 .github/workflows/deploy.yml    | 66 ---------------------------------
 4 files changed, 81 insertions(+), 67 deletions(-)
 create mode 100644 .github/actions/deploy.yml
 delete mode 100644 .github/workflows/deploy.yml

diff --git a/.github/actions/deploy.yml b/.github/actions/deploy.yml
new file mode 100644
index 000000000..c541fdc80
--- /dev/null
+++ b/.github/actions/deploy.yml
@@ -0,0 +1,60 @@
+name: deploy
+
+inputs:
+  branch:
+    required: true
+    type: string
+
+runs:
+  using: composite
+  steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        ref: deploy
+        fetch-depth: 0
+
+    - name: Setup git
+      run: |
+        git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
+        git config --local user.name "github-actions[bot]"
+
+    - name: Download Artifacts
+      uses: actions/download-artifact@v4
+      with:
+        path: artifacts
+        name: ${{ matrix.branch }}
+
+    - name: Copy artifacts
+      run: |
+        mv -f artifacts/app-release.apk ${{ matrix.branch }}/app-release.apk
+        mv -f artifacts/app-debug.apk ${{ matrix.branch }}/app-debug.apk
+        mv -f artifacts/stub-release.apk ${{ matrix.branch }}/stub-release.apk
+        rm -r artifacts
+
+    - name: Run helper script
+      run: |
+        git checkout origin/ci-management releasehelper.sh
+        chmod +x releasehelper.sh
+        ./releasehelper.sh ${{ matrix.branch }}
+        mv -f ${{ matrix.branch }}.json docs
+        mv -f note.md ${{ matrix.branch }}/note.md
+        rm releasehelper.sh
+
+    - name: Commit update
+      run: |
+        git restore --staged .
+        git add ${{ matrix.branch }}/app-release.apk
+        git add ${{ matrix.branch }}/app-debug.apk
+        git add ${{ matrix.branch }}/stub-release.apk
+        git add ${{ matrix.branch }}/note.md
+        git add docs/${{ matrix.branch }}.json
+        git commit --amend -m "Update ${{ matrix.branch }} ${{ env.VERSION }}"
+
+    - name: Push result
+      uses: ad-m/github-push-action@v0.8.0
+      with:
+        branch: deploy
+        force_with_lease: true
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        repository: ${{ github.repository }}
diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
index 2cc62255a..c19212949 100644
--- a/.github/workflows/automerge.yml
+++ b/.github/workflows/automerge.yml
@@ -6,11 +6,16 @@ on:
       branch:
         required: true
         type: string
+    outputs:
+      changed:
+        value: ${{ jobs.automerge.outputs.changed }}
 
 jobs:
   automerge:
     name: Automerge ${{ inputs.branch }}
     runs-on: ubuntu-latest
+    outputs:
+      changed: ${{ steps.rebase.outputs.changed }}
 
     steps:
       - name: Checkout
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ba2cbd7d6..cee7278a2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,6 +28,7 @@ jobs:
       branch: madness
   build-stable:
     needs: automerge-stable
+    if: needs.automerge-stable.outputs.changed == 'true'
     uses: ./.github/workflows/build.yml
     with:
       branch: stable
@@ -36,6 +37,7 @@ jobs:
       KEYSTORE_KEY: ${{ secrets.KEYSTORE_KEY }}
   build-beta:
     needs: automerge-beta
+    if: needs.automerge-beta.outputs.changed == 'true'
     uses: ./.github/workflows/build.yml
     with:
       branch: beta
@@ -44,6 +46,7 @@ jobs:
       KEYSTORE_KEY: ${{ secrets.KEYSTORE_KEY }}
   build-canary:
     needs: automerge-canary
+    if: needs.automerge-canary.outputs.changed == 'true'
     uses: ./.github/workflows/build.yml
     with:
       branch: canary
@@ -52,6 +55,7 @@ jobs:
       KEYSTORE_KEY: ${{ secrets.KEYSTORE_KEY }}
   build-madness:
     needs: automerge-madness
+    if: needs.automerge-madness.outputs.changed == 'true'
     uses: ./.github/workflows/build.yml
     with:
       branch: madness
@@ -61,4 +65,15 @@ jobs:
   deploy:
     if: always()
     needs: [build-stable, build-beta, build-canary, build-madness]
-    uses: ./.github/workflows/deploy.yml
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        branch: [ stable, beta, canary, madness ]
+      fail-fast: false
+      max-parallel: 1
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/deploy.yml
+        if: needs[format('build-{0}', matrix.branch)].outputs.changed == 'true'
+        with: 
+          branch: ${{ matrix.branch }}
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
deleted file mode 100644
index 8c8cb6424..000000000
--- a/.github/workflows/deploy.yml
+++ /dev/null
@@ -1,66 +0,0 @@
-name: deploy
-
-on:
-  workflow_call:
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        branch: [ stable, beta, canary, madness ]
-      fail-fast: false
-      max-parallel: 1
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          ref: deploy
-          fetch-depth: 0
-
-      - name: Setup git
-        run: |
-          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git config --local user.name "github-actions[bot]"
-
-      - name: Download Artifacts
-        uses: actions/download-artifact@v4
-        with:
-          path: artifacts
-          name: ${{ matrix.branch }}
-
-      - name: Copy artifacts
-        run: |
-          mv -f artifacts/app-release.apk ${{ matrix.branch }}/app-release.apk
-          mv -f artifacts/app-debug.apk ${{ matrix.branch }}/app-debug.apk
-          mv -f artifacts/stub-release.apk ${{ matrix.branch }}/stub-release.apk
-          rm -r artifacts
-
-      - name: Run helper script
-        run: |
-          git checkout origin/ci-management releasehelper.sh
-          chmod +x releasehelper.sh
-          ./releasehelper.sh ${{ matrix.branch }}
-          mv -f ${{ matrix.branch }}.json docs
-          mv -f note.md ${{ matrix.branch }}/note.md
-          rm releasehelper.sh
-
-      - name: Commit update
-        run: |
-          git restore --staged .
-          git add ${{ matrix.branch }}/app-release.apk
-          git add ${{ matrix.branch }}/app-debug.apk
-          git add ${{ matrix.branch }}/stub-release.apk
-          git add ${{ matrix.branch }}/note.md
-          git add docs/${{ matrix.branch }}.json
-          git commit --amend -m "Update ${{ matrix.branch }} ${{ env.VERSION }}"
-
-      - name: Push result
-        uses: ad-m/github-push-action@v0.8.0
-        with:
-          branch: deploy
-          force: true
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          repository: ${{ github.repository }}