Trigger rebuilds with build.touch file

    Added build.touch to extra-source-files in futr.cabal.
    Updated Setup.hs to use touchFile to force rebuilds on resource changes.

Setup.hs

@@ -12,13 +12,15 @@ import System.Process (rawSystem)
 import System.Directory (listDirectory, createDirectoryIfMissing, doesDirectoryExist, doesFileExist, getModificationTime)
 import System.Exit
 import System.FilePath ((</>), makeRelative, takeExtension)
+import System.Posix.Files (touchFile)
 
 main = defaultMainWithHooks simpleUserHooks { preBuild = myPreBuild }
 
 myPreBuild :: Args -> BuildFlags -> IO HookedBuildInfo
 myPreBuild _ _ = do
     let resourceDir = "resources"
         qrcFile = "resources.qrc"
+        touchFileName = "build.touch"
 
     -- Recursively get all file paths in the resource directory
     allFiles <- listFilesRecursive resourceDir
@@ -43,6 +45,8 @@ myPreBuild _ _ = do
     else
         putStrLn "No resource file changes detected."
 
+    touchFile touchFileName
+
     let buildInfo = emptyBuildInfo { cSources = ["resources.cpp"] }
     return (Nothing, [(mkUnqualComponentName "futr", buildInfo)])
 

futr.cabal

@@ -12,7 +12,7 @@ synopsis:           nostr client application
 description:        A nostr client application written in Haskell and Qt5.
 category:           application
 build-type:         Custom
-extra-source-files: README.md
+extra-source-files: README.md build.touch
 
 custom-setup
   setup-depends:
@@ -21,7 +21,8 @@ custom-setup
     directory >= 1.3.7.1 && < 1.4,
     filepath >= 1.4.2 && <1.5,
     process >= 1.6.18.0 && <1.7,
-    time >= 1.12.2 && < 1.13
+    time >= 1.12.2 && < 1.13,
+    unix >= 2.7.3 && < 2.8
 
 executable futr
     main-is:          Main.hs