Bump Stack CI to GHC 9.12

Author: andreasabel

.github/workflows/stack.yml

@@ -14,15 +14,15 @@ jobs:
       fail-fast: false
       matrix:
         os:  [ubuntu-latest]
-        ghc: ['9.10', '9.8', '9.6', '9.4', '9.2', '9.0', '8.10', '8.8', '8.6', '8.4']
+        ghc: ['9.12', '9.10', '9.8', '9.6', '9.4', '9.2', '9.0', '8.10', '8.8', '8.6', '8.4']
         include:
           - os: macos-latest
-            ghc: '9.10'
+            ghc: '9.12'
           - os: windows-latest
-            ghc: '9.10'
+            ghc: '9.12'
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: haskell-actions/setup@v2
       id: setup

.gitignore

@@ -8,3 +8,4 @@ dist-newstyle
 .ghc.environment.*
 cabal.project.local
 stack*.yaml.lock
+*~

stack-9.10.yaml

@@ -1,4 +1,4 @@
-resolver: nightly-2025-05-05
+resolver: lts-24.9
 packages:
 - example-client
 - hackage-repo-tool

stack-9.12.yaml

@@ -0,0 +1,18 @@
+resolver: nightly-2025-09-06
+packages:
+- example-client
+- hackage-repo-tool
+- hackage-root-tool
+- hackage-security
+- hackage-security-HTTP
+- hackage-security-curl
+- hackage-security-http-client
+- precompute-fileinfo
+
+flags:
+  example-client:
+    cabal-syntax: true
+  hackage-repo-tool:
+    cabal-syntax: true
+  hackage-security:
+    cabal-syntax: true

stack-9.8.yaml

@@ -1,4 +1,4 @@
-resolver: lts-23.21
+resolver: lts-23.28
 packages:
 - example-client
 - hackage-repo-tool