[PATCH] mergetool: don't suggest to continue after last file

This eliminates an unnecessary prompt to continue after failed merger.
The patch uses positional parameters to count files in the list. If only
one iteration is remained, the prompt_after_failed_merge function is not
called.

Signed-off-by: Nicholas Guriev <redacted>
---
 git-mergetool.sh | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/git-mergetool.sh b/git-mergetool.sh
index c062e3d..d07c7f3 100755
--- a/git-mergetool.sh
+++ b/git-mergetool.sh

@@ -491,14 +491,16 @@ main () {
 	printf "%s\n" "$files"
 
 	rc=0
-	for i in $files
+	set -- $files
+	while test $# -ne 0
 	do
 		printf "\n"
-		if ! merge_file "$i"
+		if ! merge_file "$1"
 		then
 			rc=1
-			prompt_after_failed_merge || exit 1
+			test $# -ne 1 && prompt_after_failed_merge || exit 1
 		fi
+		shift
 	done
 
 	exit $rc

-- 
2.7.4