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.github/workflows/cross-bootstrap-tools.yml

@@ -6,64 +6,104 @@ on:
     branches: [ main, 'stable/14', 'stable/13' ]
     paths:
       - 'sys/**'
-      - 'stand/**'
 
-      - 'bin/**'
-      - 'sbin/**'
-      - 'usr.bin/**'
-      - 'usr.sbin/**'
-
-      # XXX What to build here?
       - 'Makefile'
       - 'Makefile.inc1'
 
       - '**/cross-bootstrap-tools.yml'
-
-      - '!**.[1-9]' # Ignore manpages
   pull_request:
     branches: [ main ]
     paths:
       - 'sys/**'
-      - 'stand/**'
 
-      - 'bin/**'
-      - 'sbin/**'
-      - 'usr.bin/**'
-      - 'usr.sbin/**'
-
-      # XXX What to build here?
       - 'Makefile'
       - 'Makefile.inc1'
 
       - '**/cross-bootstrap-tools.yml'
-
-      - '!**.[1-9]' # Ignore manpages
   workflow_dispatch:
 
 permissions:
   contents: read
 
 jobs:
-  modified_files:
-    name: get modified files
+  setup:
+    name: setup
     runs-on: ubuntu-latest
     outputs:
-      changes: ${{ steps.changes.outputs.files }}
+      kern_archs: ${{ steps.match.outputs.kern_archs }}
+      world_archs: ${{ steps.match.outputs.world_archs }}
+      make_targets: ${{ steps.match.outputs.make_targets }}
     steps:
-      - uses: actions/checkout@v4
-      - name: get modified files
-        id: changes
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: paths filter (kernel)
+        uses: dorny/paths-filter@v3
+        id: kern_filter
+        with:
+          base: ${{ github.ref_name }}
+          filters: |
+            amd64:
+              - 'sys/amd64/**'
+            i386:
+              - 'sys/i386/**'
+            aarch64:
+              - 'sys/arm64/**'
+            armv7:
+              - 'sys/arm/**'
+            powerpc: &ppc
+              - 'sys/powerpc/**'
+            powerpc64:
+              - *ppc
+            powerpc64le:
+              - *ppc
+            riscv64:
+              - 'sys/riscv/**'
+            all:
+              - '**/cross-bootstrap-tools.yml'
+      - name: paths filter (world)
+        uses: dorny/paths-filter@v3
+        id: world_filter
+        with:
+          base: ${{ github.ref_name }}
+          filters: |
+            all:
+              - '**/cross-bootstrap-tools.yml'
+      - name: match paths
+        id: match
         run: |
-          echo "files=$(git diff --name-only --diff-filter=ACMRT ${{ github.event.push.before }} ${{ github.sha }} | xargs)"
-          echo "files=$(git diff --name-only --diff-filter=ACMRT ${{ github.event.push.before }} ${{ github.sha }} | xargs)" >> $GITHUB_OUTPUT
+          all='["amd64", "armv7", "aarch64", "i386", "powerpc", "powerpc64", "powerpc64le", "riscv64"]'
+
+          echo ${{ join(steps.kern_filter.outputs.changes,) }}
+          exit 1
+
+          if ${{ steps.kern_filter.outputs.all_count }} -gt 0; then
+            make_targets="buildkernel"
+            if ${{ steps.kern_filter.outputs.all }}; then
+              echo "kern_archs=$all" | tee "$GITHUB_OUTPUT"
+            else
+              echo "kern_archs=${{ steps.kern_filter.outputs.changes }}" | tee "$GITHUB_OUTPUT"
+            fi
+          fi
+
+          if ${{ steps.world_filter.outputs.all_count }} -gt 0; then
+            make_targets="$make_targets buildworld"
+            if ${{ steps.world_filter.outputs.all }}; then
+              echo "world_archs=$all" | tee "$GITHUB_OUTPUT"
+            else
+              echo "world_archs=${{ steps.world_filter.outputs.changes }}" | tee "$GITHUB_OUTPUT"
+            fi
+          fi
+
+          echo "make_targets=$make_targets" | tee "$GITHUB_OUTPUT"
   build:
-    name: ${{ matrix.target_arch }} buildkernel on ${{ matrix.os }} (${{ matrix.compiler }})
+    name: ${{ matrix.target_arch }} ${{ matrix.make_target }} on ${{ matrix.os }} (${{ matrix.compiler }})
     runs-on: ${{ matrix.os }}
-    needs: modified_files
+    needs: setup
     strategy:
       fail-fast: false
       matrix:
-        target_arch: [ amd64, aarch64, powerpc ]
+        target_arch: ${{ fromJSON(needs.setup.outputs.kern_archs) }}
+        make_target: ${{ fromJSON(needs.setup.outputs.make_targets }}
         os: [ ubuntu-22.04, ubuntu-24.04, macos-latest ]
         include:
           # TODO: both Ubuntu and macOS have bmake packages, we should try them instead of bootstrapping our own copy.
@@ -79,17 +119,26 @@ jobs:
             compiler: clang-18
             cross-bindir: /opt/homebrew/opt/llvm@18/bin
             pkgs: bmake libarchive llvm@18
+
+          # Correspoding TARGET for TARGET_ARCH
           - target_arch: amd64
             target: amd64
+          - target_arch: armv7
+            target: arm
           - target_arch: aarch64
             target: arm64
+          - target_arch: i386
+            target: i386
           - target_arch: powerpc
             target: powerpc
+          - target_arch: powerpc64
+            target: powerpc
+          - target_arch: powerpc64le
+            target: powerpc
+          - target_arch: riscv64
+            target: riscv
     steps:
       - uses: actions/checkout@v4
-      - name: check modified files
-        run: |
-          echo ${{ needs.modified_files.outputs.changes }} && exit 1
       - name: install packages (Ubuntu)
         if: runner.os == 'Linux'
         run: |