ci: more consistent images, image notes

.github/workflows/_binaries-linux-arm32v7.yml

@@ -11,6 +11,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+
     steps:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1

.github/workflows/_binaries-linux-arm64-stack.yml

@@ -11,6 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     container: alpine:latest
+
     steps:
 
     - name: Show platform info

.github/workflows/_binaries-linux-arm64.yml

@@ -10,10 +10,12 @@ on:
 jobs:
   build:
     runs-on:   ubuntu-24.04-arm
+      # arch:  arm64
+      # image: https://github.com/actions/partner-runner-images/blob/main/images/arm-ubuntu-24-image.md
+
     # container: arm64v8/alpine:3.18
-    # work around janky arm/alpine support
-    # https://github.com/actions/runner/issues/801#issuecomment-2394425757
     container:
+      # work around janky arm/alpine support, https://github.com/actions/runner/issues/801#issuecomment-2394425757
       image: arm64v8/alpine:3.18
       volumes:
         - /:/host  # Jailbreak!

.github/workflows/_binaries-linux-x64-stack.yml

@@ -12,8 +12,11 @@ on:
   workflow_dispatch:
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
+      # arch:  x64
+      # image: https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md
     container: alpine:latest
+
     steps:
 
     - name: Check out

.github/workflows/_binaries-windows-arm64.yml

@@ -12,9 +12,13 @@ on:
 jobs:
   build:
     runs-on: windows-11-arm
+      # arch:  arm64
+      # image: https://github.com/actions/partner-runner-images/blob/main/images/arm-windows-11-image.md
+
     defaults:
       run:
         shell: bash
+
     steps:
 
     - name: Check out

.github/workflows/binaries-linux-x64.yml

@@ -9,8 +9,11 @@ on:
   workflow_dispatch:
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
+      # arch:  x64
+      # image: https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md
     container: alpine:latest
+
     steps:
 
     - name: Check out

.github/workflows/binaries-mac-arm64.yml

@@ -8,10 +8,14 @@ on:
   workflow_dispatch:
 jobs:
   build:
-    # arm64
     runs-on: macos-14
+      # arch:  arm64
+      # image: https://github.com/actions/runner-images/blob/main/images/macos/macos-14-Readme.md
+
     env:
+      ghc: 9.12.2
       stack: stack
+
     steps:
 
     - name: Show platform info
@@ -30,6 +34,8 @@ jobs:
         tools/checkembeddedfiles
 
     # caching
+    # XXX Should some of these have ghc version in the key, as in ci.yml ?
+    # I think so, otherwise when ghc version changes they'll keep restoring the old data and it won't be used or updated
 
     - name: Cache - stack-installed ~/.local/bin
       id:   stack-programs

.github/workflows/binaries-mac-x64.yml

@@ -8,8 +8,10 @@ on:
   workflow_dispatch:
 jobs:
   build:
-    # x64
     runs-on: macos-13
+      # arch:  x64
+      # image: https://github.com/actions/runner-images/blob/main/images/macos/macos-13-Readme.md
+
     env:
       stack: stack
     steps:

.github/workflows/binaries-windows-x64.yml

@@ -9,12 +9,17 @@ on:
 jobs:
   build:
     runs-on: windows-latest
+      # arch:  x64
+      # image: 
+
     defaults:
       run:
         shell: bash
+
     env:
       # use preinstalled ghc 9.12.2
       stack: stack --system-ghc --no-install-ghc --stack-yaml stack912.yaml
+
     steps:
 
     - name: Check out

.github/workflows/ci.yml

@@ -46,6 +46,9 @@ on:
 jobs:
   ci:
     runs-on: ubuntu-24.04
+      # arch:  x64
+      # image: https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md
+
     env:
       # caching id for this ghc's build artifacts
       ghc: 910

.github/workflows/nightly.yml

@@ -11,6 +11,7 @@ on:
 jobs:
   publish-binaries:
     runs-on: ubuntu-latest
+
     steps:
 
     - name: Checkout repository

.github/workflows/oldest.yml

@@ -13,6 +13,9 @@ on:
 jobs:
   oldest:
     runs-on: ubuntu-24.04
+      # arch:  x64
+      # image: https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md
+
     env:
       # This workflow uses github's preinstalled ghc & stack on ubuntu.
       # Keep these synced with the latest ghc version at https://github.com/actions/runner-images/blob/ubuntu22/20240514.2/images/ubuntu/Ubuntu2404-Readme.md#haskell-tools

.github/workflows/release.yml

@@ -14,6 +14,7 @@ on:
 jobs:
   release:
     runs-on: ubuntu-latest
+
     steps:
 
     - name: Checkout repository