From: Bert Wesarg <bert.wesarg@googlemail.com>
Date: Mon, 4 Oct 2010 18:47:01 +0000 (+0200)
Subject: tg.sh: simplify cat_file
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=294846dad135e8258f037b6695fb9c0cacc77e8e;p=topgit.git

tg.sh: simplify cat_file

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>
---

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
 }