Update Github actions to run non-redundantly and build an APK asset

.github/workflows/build_apk.yml

@@ -20,11 +20,14 @@ on:
   workflow_call:
     inputs:
       tar-file-name:
-        required: true
+        required: false
+        type: string
+      tar-url:
+        required: false
         type: string
       ref:
         description: 'A ref for this workflow to check out its own repo'
-        required: true
+        required: false
         type: string
       signed:
         description: 'Should this be signed with the development key? (mutually exclusive with release)'
@@ -76,11 +79,16 @@ jobs:
       apk-file-name: ${{ steps.get-apk-filename.outputs.apk-file-name }}
       version-code: ${{ steps.get-version-code.outputs.version-code}}
     steps:
-    - name: Validate inputs
+    - name: Validate release flag inputs
       if: ${{ (inputs.release == true || github.event.inputs.release == 'true') && (inputs.signed == true || github.event.inputs.signed == 'true') }}
       run: |
         echo "Cannot build a release and signed development APK at the same time."
         exit 1
+    - name: Validate tar reference inputs
+      if: ${{ !github.event.inputs.tar-file-name && ( (inputs.tar-file-name && inputs.tar-url) || (!inputs.tar-file-name && !inputs.tar-url) ) }}
+      run: |
+        echo "Must specify only one reference for the tar file to build the APK with."
+        exit 1
     - uses: actions/checkout@v4
       if: ${{ !inputs.ref }}
     - uses: actions/checkout@v4
@@ -132,9 +140,12 @@ jobs:
         key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
-    - name: Download the tarfile from URL
+    - name: Download the tarfile from URL for workflow_dispatch
       if: ${{ github.event.inputs.tar-url }}
       run: make get-tar tar=${{ github.event.inputs.tar-url }}
+    - name: Download the tarfile from URL for workflow_call
+      if: ${{ inputs.tar-url }}
+      run: make get-tar tar=${{ inputs.tar-url }}
     - name: Download the tarfile from artifacts
       if: ${{ inputs.tar-file-name }}
       uses: actions/download-artifact@v4

.github/workflows/pr_build.yml

@@ -0,0 +1,53 @@
+name: Build APK for PRs
+
+on:
+  pull_request:
+    branches:
+    - develop
+
+jobs:
+  pre_job:
+    name: Path match check
+    runs-on: ubuntu-latest
+    # Map a step output to a job output
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/skip-duplicate-actions@master
+        with:
+          github_token: ${{ github.token }}
+          paths_ignore: '["**.po", "**.json"]'
+  latest_kolibri_release:
+    needs: pre_job
+    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
+    runs-on: ubuntu-latest
+    outputs:
+      tar-url: ${{ steps.get_latest_kolibri_release.outputs.result }}
+    steps:
+      - name: Get latest Kolibri release
+        id: get_latest_kolibri_release
+        uses: actions/github-script@v7
+        with:
+          result-encoding: string
+          script: |
+
+            const { data: releases } = await github.rest.repos.listReleases({
+              owner: 'learningequality',
+              repo: 'kolibri',
+              per_page: 1,
+              page: 1,
+            });
+
+            const latestRelease = releases[0];
+            const tarAsset = latestRelease.assets.find(asset => asset.name.endsWith('.tar.gz'));
+            const tarUrl = tarAsset.browser_download_url;
+            return tarUrl;
+
+  build_apk:
+    name: Build Debug APK
+    needs: [pre_job, latest_kolibri_release]
+    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
+    uses: ./.github/workflows/build_apk.yml
+    with:
+      tar-url: ${{ needs.latest_kolibri_release.outputs.tar-url }}

.github/workflows/pre-commit.yml

@@ -1,6 +1,12 @@
 name: Linting
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - develop
+  pull_request:
+    branches:
+    - develop
 
 jobs:
   pre_job: