From c57a3494c135ffb7ab5d070afecfcc42a3922edc Mon Sep 17 00:00:00 2001
From: Johannes Sixt <J.Sixt@eudaptics.com>
Date: Wed, 4 Jul 2007 14:08:17 +0200
Subject: [PATCH] filter-branch: Avoid an error message in the map function.

When the map function didn't find the rewritten commit of the passed in
original id, it printed the original id, but it still fell through to
the 'cat', which failed with an error message.

Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 git-filter-branch.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index 22fb5bf6a..5fa9b6174 100644
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -16,8 +16,12 @@ USAGE="git-filter-branch [-d TEMPDIR] [FILTERS] DESTBRANCH [REV-RANGE]"
 map()
 {
 	# if it was not rewritten, take the original
-	test -r "$workdir/../map/$1" || echo "$1"
-	cat "$workdir/../map/$1"
+	if test -r "$workdir/../map/$1"
+	then
+		cat "$workdir/../map/$1"
+	else
+		echo "$1"
+	fi
 }
 
 # When piped a commit, output a script to set the ident of either
-- 
2.30.2