chiark / gitweb /
tg.sh: branch_contains(): Using -z instead of wc is faster in the common case
authorPetr Baudis <pasky@suse.cz>
Sun, 3 Aug 2008 01:27:01 +0000 (03:27 +0200)
committerPetr Baudis <pasky@suse.cz>
Sun, 3 Aug 2008 01:27:01 +0000 (03:27 +0200)
tg.sh

diff --git a/tg.sh b/tg.sh
index ae3dcda..54b7875 100644 (file)
--- a/tg.sh
+++ b/tg.sh
@@ -76,7 +76,7 @@ measure_branch()
 # Whether B1 is a superset of B2.
 branch_contains()
 {
-       [ "$(git rev-list ^"$1" "$2" | wc -l)" -eq 0 ]
+       [ -z "$(git rev-list ^"$1" "$2")" ]
 }
 
 # needs_update NAME [BRANCHPATH...]