From 294846dad135e8258f037b6695fb9c0cacc77e8e Mon Sep 17 00:00:00 2001
From: Bert Wesarg <bert.wesarg@googlemail.com>
Date: Mon, 4 Oct 2010 20:47:01 +0200
Subject: [PATCH] tg.sh: simplify cat_file
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Use shell parameter expansion to strip the leading (w): and (i)

Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 tg.sh | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/tg.sh b/tg.sh
index 3718702..8264a3b 100644
--- a/tg.sh
+++ b/tg.sh
@@ -25,17 +25,15 @@ cat_file()
 	arg="$1"
 	case "$arg" in
 	'(w):'*)
-		arg=$(echo "$arg" | tail --bytes=+5)
-		cat "$arg"
-		return
+		cat "${arg#(w):}"
 		;;
 	'(i):'*)
 		# ':file' means cat from index
-		arg=$(echo "$arg" | tail --bytes=+5)
-		git cat-file blob ":$arg"
+		git cat-file blob "${arg#(i)}"
 		;;
 	*)
 		git cat-file blob "$arg"
+		;;
 	esac
 }
 
-- 
2.11.4.GIT