Merge branch 'jh/maint-submodule-status-in-void'

* jh/maint-submodule-status-in-void: git submodule summary: Handle HEAD as argument when on an unborn branch submodule summary: do not fail before the first commit
git-mirror · Mar 24, 2010 · 5e4f614 · 5e4f614
2 parents a86ed83 + 2ea6c2c
commit 5e4f614
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/git-submodule.sh b/git-submodule.sh
@@ -559,7 +559,9 @@ cmd_summary() {
 		test $# = 0 || shift
 	elif test -z "$1" -o "$1" = "HEAD"
 	then
-		return
+		# before the first commit: compare with an empty tree
+		head=$(git hash-object -w -t tree --stdin </dev/null)
+		test -z "$1" || shift
 	else
 		head="HEAD"
 	fi