WIP: github: Only run test-*, detached from the build

Author: mstorsjo

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
   # slightly more, when we know a separate build of the same version but with
   # assertions enabled, has passed some amount of tests.
   prepare:
-    if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     runs-on: ubuntu-latest
     outputs:
       LLVM_VERSION: ${{steps.get-versions.outputs.LLVM_VERSION}}
@@ -66,7 +66,7 @@ jobs:
 
   # Build a cross compiler for Linux, targeting Windows.
   linux:
-    if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     needs: [prepare]
     runs-on: ubuntu-22.04
     steps:
@@ -102,7 +102,7 @@ jobs:
   # Crosscompile the toolchain for running on Linux on a different architecture, bundle the runtime
   # libraries that were built in the 'linux' step above.
   linux-cross-aarch64:
-    if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     needs: [linux, prepare]
     runs-on: ubuntu-22.04
     steps:
@@ -157,7 +157,7 @@ jobs:
   # to better catch such bugs early. This makes the first-stage toolchain built
   # here in scheduled builds somewhat slower.
   linux-asserts:
-    if: (github.event_name == 'schedule') && (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     needs: [prepare]
     runs-on: ubuntu-latest
     steps:
@@ -187,7 +187,7 @@ jobs:
 
   # Build a cross compiler for macOS, targeting Windows.
   macos:
-    if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     needs: [prepare]
     runs-on: macos-latest
     steps:
@@ -225,7 +225,7 @@ jobs:
   # environments). The binaries built here rely on the runtime libraries from
   # the host environment (libstdc++ or libc++).
   msys2:
-    if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     needs: [prepare]
     runs-on: windows-latest
     defaults:
@@ -282,7 +282,7 @@ jobs:
   # llvm and make a proper standalone toolchain for Windows (for all 4
   # architectures). The binaries built here match actual releases quite closely.
   linux-cross-windows:
-    if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     needs: [linux, prepare]
     runs-on: ubuntu-latest
     strategy:
@@ -330,7 +330,6 @@ jobs:
   # Run llvm-mingw's tests with the cross-built toolchains from above.
   test-toolchain:
     if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
-    needs: [linux-cross-windows]
     defaults:
       run:
         shell: msys2 {0}
@@ -350,11 +349,9 @@ jobs:
           install: >-
             unzip
             make
-      - uses: actions/download-artifact@v4
-        with:
-          name: windows-ucrt-${{matrix.arch}}-toolchain
       - name: Unpack toolchain
         run: |
+          curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20250417/llvm-mingw-20250417-ucrt-${{matrix.arch}}.zip
           unzip -q llvm-mingw-*.zip
           rm llvm-mingw-*.zip
           mv llvm-mingw-* /llvm-mingw
@@ -377,8 +374,7 @@ jobs:
     # testing with the latest compiler instead of an older release).
     # Therefore, keep the test disabled by default; it's easy to enable
     # temporarily on a branch for testing.
-    if: false
-    needs: [linux-cross-windows, prepare]
+    if: true
     strategy:
       fail-fast: false
       matrix:
@@ -392,11 +388,9 @@ jobs:
       - name: Install dependencies
         run: |
           choco install ninja
-      - uses: actions/download-artifact@v4
-        with:
-          name: windows-ucrt-${{matrix.arch}}-toolchain
       - name: Unpack toolchain
         run: |
+          curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20250417/llvm-mingw-20250417-ucrt-${{matrix.arch}}.zip
           Expand-Archive llvm-mingw-*.zip -DestinationPath .
           del llvm-mingw-*.zip
           mv llvm-mingw-* c:\llvm-mingw
@@ -440,8 +434,7 @@ jobs:
   # This also forces testing the bundled python executables.
   test-openmp:
     # Only running these tests in scheduled builds.
-    if: (github.event_name == 'schedule') && (github.repository == 'mstorsjo/llvm-mingw')
-    needs: [linux-cross-windows, prepare]
+    if: true
     strategy:
       fail-fast: false
       matrix:
@@ -455,11 +448,9 @@ jobs:
       - name: Install dependencies
         run: |
           choco install ninja
-      - uses: actions/download-artifact@v4
-        with:
-          name: windows-ucrt-${{matrix.arch}}-toolchain
       - name: Unpack toolchain
         run: |
+          curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20250417/llvm-mingw-20250417-ucrt-${{matrix.arch}}.zip
           Expand-Archive llvm-mingw-*.zip -DestinationPath .
           del llvm-mingw-*.zip
           mv llvm-mingw-* c:\llvm-mingw
@@ -507,8 +498,7 @@ jobs:
   # also forces testing the bundled python executables.
   test-compiler-rt:
     # Only running these tests in scheduled builds.
-    if: (github.event_name == 'schedule') && (github.repository == 'mstorsjo/llvm-mingw')
-    needs: [linux-cross-windows, prepare]
+    if: true
     strategy:
       fail-fast: false
       matrix:
@@ -522,11 +512,9 @@ jobs:
       - name: Install dependencies
         run: |
           choco install ninja
-      - uses: actions/download-artifact@v4
-        with:
-          name: windows-ucrt-${{matrix.arch}}-toolchain
       - name: Unpack toolchain
         run: |
+          curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20250417/llvm-mingw-20250417-ucrt-${{matrix.arch}}.zip
           Expand-Archive llvm-mingw-*.zip -DestinationPath .
           del llvm-mingw-*.zip
           mv llvm-mingw-* c:\llvm-mingw
@@ -588,7 +576,7 @@ jobs:
   # enabled, to catch code generation bugs that might trigger asserts, to
   # find such regressions early.
   linux-test-cross-build-ffmpeg:
-    if: (github.event_name == 'schedule') && (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     needs: [linux-asserts]
     runs-on: ubuntu-latest
     strategy:
@@ -633,8 +621,7 @@ jobs:
   # compiler itself, but that only show up at runtime. This is only done
   # for scheduled builds.
   test-ffmpeg:
-    if: (github.event_name == 'schedule') && (github.repository == 'mstorsjo/llvm-mingw')
-    needs: [linux-cross-windows]
+    if: true
     strategy:
       fail-fast: false
       matrix:
@@ -662,11 +649,9 @@ jobs:
             diffutils
           pacboy: >-
             nasm:p
-      - uses: actions/download-artifact@v4
-        with:
-          name: windows-ucrt-${{matrix.arch}}-toolchain
       - name: Unpack toolchain
         run: |
+          curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20250417/llvm-mingw-20250417-ucrt-${{matrix.arch}}.zip
           unzip -q llvm-mingw-*.zip
           rm llvm-mingw-*.zip
           mv llvm-mingw-* /llvm-mingw
@@ -688,7 +673,7 @@ jobs:
           make -j$(nproc) fate
 
   upload-nightly:
-    if: (github.event_name == 'schedule') && (github.repository == 'mstorsjo/llvm-mingw')
+    if: false
     permissions:
       contents: write
     needs: [linux, linux-cross-aarch64, macos, linux-cross-windows, test-toolchain, linux-test-cross-build-ffmpeg, test-ffmpeg]