build: Add Sync app version to AUR PKGBUILD files (#6222)

build.gradle

@@ -89,10 +89,12 @@ def appVersionStr = project.version.toString()
 def tauriConfigPath = layout.projectDirectory.file('frontend/src-tauri/tauri.conf.json').asFile.path
 def sim1Path = layout.projectDirectory.file('frontend/src/core/testing/serverExperienceSimulations.ts').asFile.path
 def sim2Path = layout.projectDirectory.file('frontend/src/proprietary/testing/serverExperienceSimulations.ts').asFile.path
+def aurDesktopPkgbuildPath = layout.projectDirectory.file('.github/aur/stirling-pdf-desktop/PKGBUILD').asFile.path
+def aurServerPkgbuildPath = layout.projectDirectory.file('.github/aur/stirling-pdf-server-bin/PKGBUILD').asFile.path
 
 tasks.register('syncAppVersion') {
     group = 'versioning'
-    description = 'Synchronizes app version across desktop and simulation configs.'
+    description = 'Synchronizes app version across desktop, simulation, and AUR PKGBUILD configs.'
 
     doLast {
         println "Synchronizing application version to ${appVersionStr}"
@@ -120,6 +122,20 @@ tasks.register('syncAppVersion') {
                 }
             }
         }
+
+        [new File(aurDesktopPkgbuildPath), new File(aurServerPkgbuildPath)].each { f ->
+            if (f.exists()) {
+                def content = f.getText('UTF-8')
+                def matcher = (content =~ /(?m)^(pkgver=)(.*)$/)
+                if (!matcher.find()) {
+                    throw new GradleException("Could not locate pkgver in ${f} for synchronization")
+                }
+                def updatedContent = matcher.replaceFirst("\$1${appVersionStr}")
+                if (content != updatedContent) {
+                    f.write(updatedContent, 'UTF-8')
+                }
+            }
+        }
     }
 }