Fixed: Install GNU tools on macos runner for GitHub build action

Author: agnostic-apollo

.github/workflows/debug_build.yml

@@ -20,14 +20,39 @@ jobs:
       - name: Clone repository
         uses: actions/checkout@v4
 
+      - name: Install GNU tools on macos runner
+        if: runner.os == 'macOS'
+        run: |
+          # macOS runner ships with bash v3, and BSD grep and sed which dont support the required options.
+          brew update
+          brew install bash
+          brew install grep
+          brew install gnu-sed
+
+          echo "/opt/homebrew/opt/grep/libexec/gnubin:/opt/homebrew/opt/gnu-sed/libexec/gnubin" >> "$GITHUB_PATH"
+
       - name: Build APKs
         shell: bash {0}
         env:
           PACKAGE_VARIANT: ${{ matrix.package_variant }}
         run: |
           exit_on_error() { echo "$1"; exit 1; }
 
+          if [ -n "$JAVA_HOME_17_X64" ]; then
+            JAVA_HOME_17="$JAVA_HOME_17_X64"
+          elif [ -n "$JAVA_HOME_17_arm64" ]; then
+            JAVA_HOME_17="$JAVA_HOME_17_arm64"
+          else
+            exit_on_error "jdk-17 not set in '\$JAVA_HOME_17_X64\' or '\$JAVA_HOME_17_arm64\'."
+          fi
+
+          if [ ! -f "$JAVA_HOME_17/bin/javac" ] || [ ! -x "$JAVA_HOME_17/bin/javac" ]; then
+              exit_on_error "jdk-17 binary not found at path '$JAVA_HOME_17/bin/javac' or is not executable."
+          fi
+
+
           echo "Setting vars"
+          echo "PATH=$PATH"
 
           if [ "$GITHUB_EVENT_NAME" == "pull_request" ]; then
               GITHUB_SHA="${{ github.event.pull_request.head.sha }}" # Do not use last merge commit set in GITHUB_SHA
@@ -54,6 +79,7 @@ jobs:
           export TERMUX_APP_VERSION_NAME="${RELEASE_VERSION_NAME/v/}" # Used by app/build.gradle
           export TERMUX_APK_VERSION_TAG="$APK_VERSION_TAG" # Used by app/build.gradle
           export TERMUX_PACKAGE_VARIANT="${{ env.PACKAGE_VARIANT }}" # Used by app/build.gradle
+          export GRADLE_OPTS="-Dorg.gradle.java.home=$JAVA_HOME_17"
           if ! ./gradlew assembleDebug; then
             exit_on_error "Build failed for '$APK_VERSION_TAG' build."
           fi