Split the CI for Cygwin into 2 jobs rather than 2 workflows

.github/workflows/common.yml

@@ -13,12 +13,9 @@ on:
         default: 'ubuntu-latest'
       cygwin:
         description: >
-          Whether Cygwin should be used on Windows (empty if not), and
-          how ('waiter' will sleep 1 hour if the cache is not
-          initialized when it starts, 'initializer' will assume it has
-          the role of creating that cache)
-        type: string
-        default: ''
+          Whether Cygwin should be used on Windows
+        type: boolean
+        default: false
       timeout:
         description: 'Timeout'
         type: number
@@ -129,7 +126,7 @@ jobs:
           # Cygwin case
           echo OPAMYES=1 >> $env:GITHUB_ENV
           echo OPAMROOT=/cygdrive/d/opam >> $env:GITHUB_ENV
-        if: "runner.os == 'Windows' && inputs.cygwin != ''"
+        if: "runner.os == 'Windows' && inputs.cygwin"
 
       - name: Checkout code
         uses: actions/checkout@v2
@@ -224,7 +221,7 @@ jobs:
             upstream: https://github.com/ocaml/opam-repository.git
           opam-depext: false
           cache-prefix: ${{ steps.presetup.outputs.cache_prefix }}
-        if: "runner.os == 'Windows' && inputs.cygwin == ''"
+        if: "runner.os == 'Windows' && !inputs.cygwin"
 
       - name: Restore Cygwin packages (Cygwin)
         uses: actions/cache/restore@v3
@@ -235,14 +232,14 @@ jobs:
           path: |
             C:\cygwin-packages
           key: cygwin-packages-opam-2.0.7-1
-        if: "runner.os == 'Windows' && inputs.cygwin != ''"
+        if: "runner.os == 'Windows' && inputs.cygwin"
 
       - name: Install Cygwin (in particular OPAM) (Cygwin)
         uses: cygwin/cygwin-install-action@v3
         with:
           packages: opam
           install-dir: 'D:\cygwin'
-        if: "runner.os == 'Windows' && inputs.cygwin != ''"
+        if: "runner.os == 'Windows' && inputs.cygwin"
 
       - name: Save Cygwin packages (Cygwin)
         uses: actions/cache/save@v3
@@ -252,7 +249,7 @@ jobs:
           path: |
             C:\cygwin-packages
           key: cygwin-packages-opam-2.0.7-1
-        if: "runner.os == 'Windows' && inputs.cygwin == 'initializer' && steps.cache_cygwin.outputs.cache-hit != 'true'"
+        if: "runner.os == 'Windows' && inputs.cygwin && steps.cache_cygwin.outputs.cache-hit != 'true'"
 
       - name: Restore OPAM state (Cygwin)
         uses: actions/cache/restore@v3
@@ -263,22 +260,7 @@ jobs:
           path: |
             D:\opam
           key: ${{ steps.presetup.outputs.cache_prefix }}-cygwin-opam-${{ env.COMPILER }}
-        if: "runner.os == 'Windows' && inputs.cygwin != ''"
-
-      - name: Wait for the cache (Cygwin)
-        run: sleep 3600
-        if: "runner.os == 'Windows' && inputs.cygwin == 'waiter' && steps.cache_opam.outputs.cache-hit != 'true'"
-
-      - name: Retry restoring OPAM packages (Cygwin)
-        uses: actions/cache/restore@v3
-        env:
-          PATH: ${{ steps.presetup.outputs.cache_path }}
-        with:
-          path: |
-            D:\opam
-          key: ${{ steps.presetup.outputs.cache_prefix }}-cygwin-opam-${{ env.COMPILER }}
-          fail-on-cache-miss: true
-        if: "runner.os == 'Windows' && inputs.cygwin == 'waiter' && steps.cache_opam.outputs.cache-hit != 'true'"
+        if: "runner.os == 'Windows' && inputs.cygwin"
 
       - name: Install OCaml compiler ${{ env.COMPILER }} (Cygwin)
         run: |
@@ -289,7 +271,7 @@ jobs:
           opam repository add --all dra27 "https://github.com/dra27/opam-repository.git#windows-5.0"
           opam repository add --all local "./.github/opam/custom/"
           opam switch create default --repositories=dra27,override,windows,main --packages "${env:COMPILER}"
-        if: "runner.os == 'Windows' && inputs.cygwin == 'initializer' && steps.cache_opam.outputs.cache-hit != 'true'"
+        if: "runner.os == 'Windows' && inputs.cygwin && steps.cache_opam.outputs.cache-hit != 'true'"
 
       - name: Set up macOS environment ($OPAMJOBS)
         if: runner.os == 'macOS'
@@ -316,7 +298,7 @@ jobs:
           path: |
             D:\opam
           key: ${{ steps.presetup.outputs.cache_prefix }}-cygwin-opam-${{ env.COMPILER }}
-        if: "runner.os == 'Windows' && inputs.cygwin == 'initializer'"
+        if: "runner.os == 'Windows' && inputs.cygwin"
 
       - name: Build the test suite
         run: opam exec -- dune build

.github/workflows/cygwin-510-trunk-workflow.yml

@@ -0,0 +1,26 @@
+name: Cygwin trunk
+
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  part1:
+    uses: ./.github/workflows/common.yml
+    with:
+      runs_on: windows-latest
+      compiler: ocaml.5.1.0
+      cygwin: true
+      compiler_git_ref: refs/heads/trunk
+      timeout: 360
+      subsuite: src/array src/atomic src/bigarray src/buffer src/bytes src/domain src/dynlink src/ephemeron src/floatarray src/hashtbl src/io
+
+  part2:
+    needs: part1
+    if: ${{ always() }}
+    uses: ./.github/workflows/common.yml
+    with:
+      runs_on: windows-latest
+      compiler: ocaml.5.1.0
+      cygwin: true
+      compiler_git_ref: refs/heads/trunk
+      timeout: 360
+      subsuite: src/lazy src/neg_tests src/queue src/semaphore src/stack src/statistics src/sys src/thread src/threadomain src/weak

README.md

@@ -16,9 +16,7 @@ Multicore tests
 [![Linux 32-bit 5.1.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-510-32bit-trunk-workflow.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-510-32bit-trunk-workflow.yml)
 [![Windows 5.1.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/windows-510-trunk-workflow.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/windows-510-trunk-workflow.yml)
 [![Windows 5.1.0+trunk-bytecode](https://github.com/ocaml-multicore/multicoretests/actions/workflows/windows-510-trunk-bytecode-workflow.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/windows-510-trunk-bytecode-workflow.yml)
-
-[![Cygwin trunk (1)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/cygwin1-510-trunk-workflow.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/cygwin1-510-trunk-workflow.yml)
-[![Cygwin trunk (2)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/cygwin2-510-trunk-workflow.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/cygwin2-510-trunk-workflow.yml)
+[![Cygwin 5.1.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/cygwin-510-trunk-workflow.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/cygwin-510-trunk-workflow.yml)
 
 Property-based tests of (parts of) the OCaml multicore compiler and run time.