feat: only run CI jobs if features were modified (#33)

.github/workflows/test.yaml

@@ -7,25 +7,45 @@ on:
   workflow_dispatch:
 
 jobs:
+  changes:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: read
+    outputs:
+      # Expose matched filters as job 'features' output variable
+      features: ${{ steps.filter.outputs.changes }}
+    steps:
+    - uses: actions/checkout@v4
+
+    - id: autogenerate-filter
+      run: |        
+        echo "filter<<EOF" >> "$GITHUB_OUTPUT"
+        
+        find src -mindepth 1 -maxdepth 1 -type d -printf '%f\n' | xargs -I %s -- echo '%s:
+          - src/%s/**
+          - test/%s/**' >> "$GITHUB_OUTPUT"
+
+        echo "EOF" >> "$GITHUB_OUTPUT"
+    
+    - uses: dorny/paths-filter@v3
+      id: filter
+      with:
+        filters: ${{ steps.autogenerate-filter.outputs.filter }}
+
   test-autogenerated:
+    needs: changes
+    if: needs.changes.outputs.features != '[]' # Empty array
     runs-on: ubuntu-latest
     continue-on-error: true
     strategy:
       matrix:
-        features:
-          - android-sdk
-          - burp-suite
-          - coder
-          - cutter
-          - ghidra
-          - lib-common
-          - lib-github
+        features: ${{ fromJSON(needs.changes.outputs.features) }}
         baseImage:
           - debian:latest
           - ubuntu:latest
           - mcr.microsoft.com/devcontainers/base:ubuntu
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli
@@ -34,21 +54,15 @@ jobs:
         run: devcontainer features test --skip-scenarios -f ${{ matrix.features }} -i ${{ matrix.baseImage }} .
 
   test-scenarios:
+    needs: changes
+    if: needs.changes.outputs.features != '[]' # Empty array
     runs-on: ubuntu-latest
     continue-on-error: true
     strategy:
       matrix:
-        features:
-          - android-sdk
-          - burp-suite
-          - coder
-          - coder
-          - cutter
-          - ghidra
-          - lib-common
-          - lib-github
+        features: ${{ fromJSON(needs.changes.outputs.features) }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli
@@ -57,10 +71,12 @@ jobs:
         run: devcontainer features test -f ${{ matrix.features }} --skip-autogenerated --skip-duplicated .
 
   test-global:
+    needs: changes
+    if: needs.changes.outputs.features != '[]' # Empty array
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli