[PATCH] Make gitk work when launched in a subdirectory

Make gitk use git-rev-parse --git-dir to find the repository.

Signed-off-by: Peter Baumann <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>

Author: Peter Baumann

gitk

@@ -12,7 +12,7 @@ proc gitdir {} {
     if {[info exists env(GIT_DIR)]} {
 	return $env(GIT_DIR)
     } else {
-	return ".git"
+	return [exec git rev-parse --git-dir]
     }
 }