Update buildscript

(Reimplements the MANIFEST.MF thing)

1 files changed, 30 insertions, 1 deletions

diff --git a/buildscript/forge-1.7.gradle b/buildscript/forge-1.7.gradle
index ca2f66b..67fd4c7 100644
--- a/buildscript/forge-1.7.gradle
+++ b/buildscript/forge-1.7.gradle
@@ -87,4 +87,33 @@ task devJar(type: Jar) {
 artifacts {
     archives sourcesJar
     archives devJar
-}
\ No newline at end of file
+}
+
+// Add git commit hash to MANIFEST.MF
+
+def getCommitHash(){
+	try {
+		def commitHashProc = "git describe --always --dirty".execute()
+		commitHashProc.waitFor()
+		if(commitHashProc.exitValue() == 0){
+			def commitHash = commitHashProc.text.trim()
+			
+			return commitHash
+		} else {
+			println commitHashProc.err.text
+			throw new Exception("git describe exited with non-zero return value")
+		}
+	} catch(Exception e){
+		println "Failed to get commit version: " + e.getMessage()
+	}
+	return "UNKNOWN" // fallback
+}
+
+
+jar {
+    manifest {
+        attributes (
+            'Commit-ID': getCommitHash(),
+        )
+    }
+}