Fix check-pr-labels

.github/workflows/release.yaml

@@ -29,7 +29,7 @@ jobs:
       - id: gen_output
         run: |
           if [ "${{ github.event.action }}" == 'labeled' ] ; then
-            if [ ${{ github.event.label.name == '${{ env.BUILD_LABEL }}' }} ] ; then
+            if [ "${{ github.event.label.name }}" == "${{ env.BUILD_LABEL }}" ] ; then
               echo run_release_workflow="yes" >> "$GITHUB_OUTPUT"
             else
               echo run_release_workflow="no" >> "$GITHUB_OUTPUT"

.github/workflows/reusable-release.yml

@@ -364,7 +364,6 @@ jobs:
       TARBALL_EXT: "zip"
       DISTRO: na
       CABAL_DIR: "C:\\Users\\runneradmin\\AppData\\Roaming\\cabal"
-      GHCUP_INSTALL_BASE_PREFIX: "/c"
     strategy:
       fail-fast: false
       matrix:

Cabal/src/Distribution/Compat/Internal/TempFile.hs

@@ -10,10 +10,11 @@ module Distribution.Compat.Internal.TempFile
 
 import Distribution.Compat.Exception
 
+import GHC.IORef (IORef, atomicModifyIORef'_, newIORef)
 import System.FilePath ((</>))
-
 import System.IO (Handle, openBinaryTempFile, openBinaryTempFileWithDefaultPermissions, openTempFile)
 import System.IO.Error (isAlreadyExistsError)
+import System.IO.Unsafe (unsafePerformIO)
 import System.Posix.Internals (c_getpid)
 
 #if defined(mingw32_HOST_OS) || defined(ghcjs_HOST_OS)
@@ -28,17 +29,21 @@ openNewBinaryFile = openBinaryTempFileWithDefaultPermissions
 createTempDirectory :: FilePath -> String -> IO FilePath
 createTempDirectory dir template = do
   pid <- c_getpid
-  findTempName pid
-  where
-    findTempName x = do
-      let relpath = template ++ "-" ++ show x
-          dirpath = dir </> relpath
-      r <- tryIO $ mkPrivateDir dirpath
-      case r of
-        Right _ -> return relpath
-        Left e
-          | isAlreadyExistsError e -> findTempName (x + 1)
-          | otherwise -> ioError e
+  let findTempName = do
+        (counter, _) <- atomicModifyIORef'_ tempDirectoryCounter (+ 1)
+        let relpath = template ++ "-" ++ show pid ++ show counter
+            dirpath = dir </> relpath
+        r <- tryIO $ mkPrivateDir dirpath
+        case r of
+          Right _ -> pure relpath
+          Left e
+            | isAlreadyExistsError e -> findTempName
+            | otherwise -> ioError e
+  findTempName
+
+tempDirectoryCounter :: IORef Word
+tempDirectoryCounter = unsafePerformIO $ newIORef 0
+{-# NOINLINE tempDirectoryCounter #-}
 
 mkPrivateDir :: String -> IO ()
 #if defined(mingw32_HOST_OS) || defined(ghcjs_HOST_OS)

changelog.d/pr-11872.md

@@ -0,0 +1,7 @@
+---
+synopsis: Improve name assigning for temporary folders
+packages: [Cabal,cabal-install]
+prs: 11872
+---
+
+Now `createTempDirectory` from `Distribution.Compat.Internal.TempFile` uses a global counter as a part of temporary folder name template, so that probing is less likely to fail. The change should be invisible for users.