Merge pull request SAP#2013 from SAP/pr-jdk-26+6

Merge to tag jdk-26+6

Author: RealCLanger

.github/workflows/build-alpine-linux.yml

@@ -51,6 +51,10 @@ on:
       make-arguments:
         required: false
         type: string
+      dry-run:
+        required: false
+        type: boolean
+        default: false
 
 jobs:
   build-linux:
@@ -106,9 +110,11 @@ jobs:
           make-target: '${{ inputs.make-target }} ${{ inputs.make-arguments }}'
           platform: ${{ inputs.platform }}
           debug-suffix: '${{ matrix.suffix }}'
+        if: ${{ inputs.dry-run == false }}
 
       - name: 'Upload bundles'
         uses: ./.github/actions/upload-bundles
         with:
           platform: ${{ inputs.platform }}
           debug-suffix: '${{ matrix.suffix }}'
+        if: ${{ inputs.dry-run == false }}

.github/workflows/build-cross-compile.yml

@@ -40,6 +40,10 @@ on:
       make-arguments:
         required: false
         type: string
+      dry-run:
+        required: false
+        type: boolean
+        default: false
 
 jobs:
   build-cross-compile:
@@ -191,4 +195,4 @@ jobs:
         with:
           make-target: 'hotspot ${{ inputs.make-arguments }}'
           platform: linux-${{ matrix.target-cpu }}
-        if: steps.create-sysroot.outcome == 'success' || steps.get-cached-sysroot.outputs.cache-hit == 'true'
+        if: ((steps.create-sysroot.outcome == 'success' || steps.get-cached-sysroot.outputs.cache-hit == 'true') && inputs.dry-run == false)

.github/workflows/build-linux.yml

@@ -61,6 +61,10 @@ on:
       make-arguments:
         required: false
         type: string
+      dry-run:
+        required: false
+        type: boolean
+        default: false
       bundle-suffix:
         required: false
         type: string
@@ -141,6 +145,7 @@ jobs:
           make-target: '${{ inputs.make-target }} ${{ inputs.make-arguments }}'
           platform: ${{ inputs.platform }}
           debug-suffix: "${{ matrix.debug-level == 'debug' && '-debug' || '' }}"
+        if: ${{ inputs.dry-run == false }}
 
       - name: 'Upload bundles'
         uses: ./.github/actions/upload-bundles
@@ -149,3 +154,4 @@ jobs:
           debug-suffix: "${{ matrix.debug-level == 'debug' && '-debug' || '' }}"
           bundle-suffix: ${{ inputs.bundle-suffix }}
           static-suffix: ${{ inputs.static-suffix }}
+        if: ${{ inputs.dry-run == false }}

.github/workflows/build-macos.yml

@@ -54,6 +54,10 @@ on:
       make-arguments:
         required: false
         type: string
+      dry-run:
+        required: false
+        type: boolean
+        default: false
 
 jobs:
   build-macos:
@@ -120,9 +124,11 @@ jobs:
           make-target: '${{ inputs.make-target }} ${{ inputs.make-arguments }}'
           platform: ${{ inputs.platform }}
           debug-suffix: '${{ matrix.suffix }}'
+        if: ${{ inputs.dry-run == false }}
 
       - name: 'Upload bundles'
         uses: ./.github/actions/upload-bundles
         with:
           platform: ${{ inputs.platform }}
           debug-suffix: '${{ matrix.suffix }}'
+        if: ${{ inputs.dry-run == false }}

.github/workflows/build-windows.yml

@@ -54,6 +54,10 @@ on:
       make-arguments:
         required: false
         type: string
+      dry-run:
+        required: false
+        type: boolean
+        default: false
 
 env:
   # These are needed to make the MSYS2 bash work properly
@@ -141,6 +145,7 @@ jobs:
           # Set PATH to "", so just GITHUB_PATH is included
           PATH: ''
         shell: env /usr/bin/bash --login -eo pipefail {0}
+        if: ${{ inputs.dry-run == false }}
 
       - name: 'Build'
         id: build
@@ -149,9 +154,11 @@ jobs:
           make-target: '${{ inputs.make-target }} ${{ inputs.make-arguments }}'
           platform: ${{ inputs.platform }}
           debug-suffix: '${{ matrix.suffix }}'
+        if: ${{ inputs.dry-run == false }}
 
       - name: 'Upload bundles'
         uses: ./.github/actions/upload-bundles
         with:
           platform: ${{ inputs.platform }}
           debug-suffix: '${{ matrix.suffix }}'
+        if: ${{ inputs.dry-run == false }}

.github/workflows/main.yml

@@ -29,8 +29,7 @@ name: 'SapMachine GHA Sanity Checks'
 on:
   push:
     branches-ignore:
-      # SapMachine 2020-11-04: Ignore sapmachine branch
-      - sapmachine
+      - pr/*
   # SapMachine 2020-11-04: Trigger on pull request
   pull_request:
     branches:
@@ -47,6 +46,9 @@ on:
       make-arguments:
         description: 'Additional make arguments'
         required: false
+      dry-run:
+        description: 'Dry run: skip actual builds and tests'
+        required: false
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -76,6 +78,7 @@ jobs:
       windows-x64: ${{ steps.include.outputs.windows-x64 }}
       windows-aarch64: ${{ steps.include.outputs.windows-aarch64 }}
       docs: ${{ steps.include.outputs.docs }}
+      dry-run: ${{ steps.include.outputs.dry-run }}
 
     steps:
       - name: 'Checkout the scripts'
@@ -150,6 +153,47 @@ jobs:
             echo 'false'
           }
 
+          function check_dry_run() {
+            if [[ $GITHUB_EVENT_NAME == workflow_dispatch ]]; then
+              # Take the user-specified one.
+              echo '${{ github.event.inputs.dry-run }}'
+              return
+            elif [[ $GITHUB_EVENT_NAME == push ]]; then
+              # Cut out the real branch name
+              BRANCH=${GITHUB_REF##*/}
+
+              # Dry run rebuilds the caches in current branch, so they can be reused
+              # for any child PR branches. Because of this, we want to trigger this
+              # workflow in master branch, so that actual PR branches can use the cache.
+              # This workflow would trigger every time contributors sync their master
+              # branches in their personal forks.
+              if [[ $BRANCH == "master" ]]; then
+                echo 'true'
+                return
+              fi
+
+              # SapMachine 2025-07-14: Add sapmachine branch
+              if [[ $BRANCH == "sapmachine" ]]; then
+                echo 'true'
+                return
+              fi
+
+              # ...same for stabilization branches
+              if [[ $BRANCH =~ "jdk(.*)" ]]; then
+                echo 'true'
+                return
+              fi
+
+              # SapMachine 2025-07-14: Add sapmachine* branches
+              if [[ $BRANCH =~ "sapmachine([0-9]+)" ]]; then
+                echo 'true'
+                return
+              fi
+            fi
+
+            echo 'false'
+          }
+
           echo "linux-x64=$(check_platform linux-x64 linux x64)" >> $GITHUB_OUTPUT
           echo "linux-x64-variants=$(check_platform linux-x64-variants variants)" >> $GITHUB_OUTPUT
           echo "linux-cross-compile=$(check_platform linux-cross-compile cross-compile)" >> $GITHUB_OUTPUT
@@ -159,6 +203,7 @@ jobs:
           echo "windows-x64=$(check_platform windows-x64 windows x64)" >> $GITHUB_OUTPUT
           echo "windows-aarch64=$(check_platform windows-aarch64 windows aarch64)" >> $GITHUB_OUTPUT
           echo "docs=$(check_platform docs)" >> $GITHUB_OUTPUT
+          echo "dry-run=$(check_dry_run)" >> $GITHUB_OUTPUT
 
   ###
   ### Build jobs
@@ -173,6 +218,7 @@ jobs:
       gcc-major-version: '10'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.linux-x64 == 'true'
 
   build-linux-x64-hs-nopch:
@@ -187,6 +233,7 @@ jobs:
       extra-conf-options: '--disable-precompiled-headers'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.linux-x64-variants == 'true'
 
   build-linux-x64-hs-zero:
@@ -201,6 +248,7 @@ jobs:
       extra-conf-options: '--with-jvm-variants=zero --disable-precompiled-headers'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.linux-x64-variants == 'true'
 
   build-linux-x64-hs-minimal:
@@ -215,6 +263,7 @@ jobs:
       extra-conf-options: '--with-jvm-variants=minimal --disable-precompiled-headers'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.linux-x64-variants == 'true'
 
   build-linux-x64-hs-optimized:
@@ -230,6 +279,7 @@ jobs:
       extra-conf-options: '--with-debug-level=optimized --disable-precompiled-headers'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.linux-x64-variants == 'true'
 
   build-linux-x64-static:
@@ -245,6 +295,7 @@ jobs:
       gcc-major-version: '10'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
       static-suffix: "-static"
     if: needs.prepare.outputs.linux-x64 == 'true'
 
@@ -261,6 +312,7 @@ jobs:
       gcc-major-version: '10'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
       # Upload static libs bundles separately to avoid interference with normal linux-x64 bundle.
       # This bundle is not used by testing jobs, but downstreams use it to check that
       # dependent projects, e.g. libgraal, builds fine.
@@ -275,6 +327,7 @@ jobs:
       gcc-major-version: '10'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.linux-cross-compile == 'true'
 
   build-alpine-linux-x64:
@@ -285,6 +338,7 @@ jobs:
       platform: alpine-linux-x64
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.alpine-linux-x64 == 'true'
 
   build-macos-x64:
@@ -297,6 +351,7 @@ jobs:
       xcode-toolset-version: '14.3.1'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.macos-x64 == 'true'
 
   build-macos-aarch64:
@@ -309,6 +364,7 @@ jobs:
       xcode-toolset-version: '15.4'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.macos-aarch64 == 'true'
 
   build-windows-x64:
@@ -321,6 +377,7 @@ jobs:
       msvc-toolset-architecture: 'x86.x64'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.windows-x64 == 'true'
 
   build-windows-aarch64:
@@ -335,6 +392,7 @@ jobs:
       extra-conf-options: '--openjdk-target=aarch64-unknown-cygwin'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.windows-aarch64 == 'true'
 
   build-docs:
@@ -351,6 +409,7 @@ jobs:
       gcc-major-version: '10'
       configure-arguments: ${{ github.event.inputs.configure-arguments }}
       make-arguments: ${{ github.event.inputs.make-arguments }}
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
     if: needs.prepare.outputs.docs == 'true'
 
   ###
@@ -360,45 +419,53 @@ jobs:
   test-linux-x64:
     name: linux-x64
     needs:
+      - prepare
       - build-linux-x64
     uses: ./.github/workflows/test.yml
     with:
       platform: linux-x64
       bootjdk-platform: linux-x64
       runs-on: ubuntu-22.04
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
       debug-suffix: -debug
 
   test-linux-x64-static:
     name: linux-x64-static
     needs:
+      - prepare
       - build-linux-x64
       - build-linux-x64-static
     uses: ./.github/workflows/test.yml
     with:
       platform: linux-x64
       bootjdk-platform: linux-x64
       runs-on: ubuntu-22.04
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
       static-suffix: "-static"
 
   test-macos-aarch64:
     name: macos-aarch64
     needs:
+      - prepare
       - build-macos-aarch64
     uses: ./.github/workflows/test.yml
     with:
       platform: macos-aarch64
       bootjdk-platform: macos-aarch64
       runs-on: macos-14
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
       xcode-toolset-version: '15.4'
       debug-suffix: -debug
 
   test-windows-x64:
     name: windows-x64
     needs:
+      - prepare
       - build-windows-x64
     uses: ./.github/workflows/test.yml
     with:
       platform: windows-x64
       bootjdk-platform: windows-x64
       runs-on: windows-2025
+      dry-run: ${{ needs.prepare.outputs.dry-run == 'true' }}
       debug-suffix: -debug

.github/workflows/test.yml

@@ -40,6 +40,10 @@ on:
       xcode-toolset-version:
         required: false
         type: string
+      dry-run:
+        required: false
+        type: boolean
+        default: false
       debug-suffix:
         required: false
         type: string
@@ -147,6 +151,7 @@ jobs:
           platform: ${{ inputs.platform }}
           debug-suffix: ${{ matrix.debug-suffix }}
           static-suffix: ${{ inputs.static-suffix }}
+        if: ${{ inputs.dry-run == false }}
 
       - name: 'Install dependencies'
         run: |
@@ -199,6 +204,7 @@ jobs:
           && bash ./.github/scripts/gen-test-summary.sh "$GITHUB_STEP_SUMMARY" "$GITHUB_OUTPUT"
         env:
           PATH: ${{ steps.path.outputs.value }}
+        if: ${{ inputs.dry-run == false }}
 
         # This is a separate step, since if the markdown from a step gets bigger than
         # 1024 kB it is skipped, but then the short summary above is still generated