[PATCH] git-rebase--interactive.sh: Remove option -n from tail

[Jari Aalto <jari.aalto@cante.net>]

Signed-off-by: Jari Aalto <jari.aalto@cante.net>
---
 git-rebase--interactive.sh |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 050140d..58e164c 100755
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -10,6 +10,8 @@
 # The original idea comes from Eric W. Biederman, in
 # http://article.gmane.org/gmane.comp.version-control.git/22407
 
+TAIL="tail"
+
 USAGE='(--continue | --abort | --skip | [--preserve-merges] [--verbose]
 	[--onto <branch>] <upstream> [<branch>])'
 
@@ -204,7 +206,7 @@ nth_string () {
 make_squash_message () {
 	if test -f "$SQUASH_MSG"; then
 		COUNT=$(($(sed -n "s/^# This is [^0-9]*\([1-9][0-9]*\).*/\1/p" \
-			< "$SQUASH_MSG" | tail -n 1)+1))
+			< "$SQUASH_MSG" | $TAIL 1)+1))
 		echo "# This is a combination of $COUNT commits."
 		sed -n "2,\$p" < "$SQUASH_MSG"
 	else
-- 
1.5.3.2.81.g17ed