stripspace: make sure not to leave an incomplete line.

When dealing with a commit log message for human consumption, it
never makes sense to keep a log that ends with an incomplete
line, so make it a part of the clean-up process done by
git-stripspace.

Acked-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/stripspace.c b/stripspace.c
index 96cd0a8..dee1ef0 100644 (file)
--- a/stripspace.c
+++ b/stripspace.c
@@ -6,9 +6,9 @@
  * Remove empty lines from the beginning and end.
  *
  * Turn multiple consecutive empty lines into just one
- * empty line.
+ * empty line.  Return true if it is an incomplete line.
  */
-static void cleanup(char *line)
+static int cleanup(char *line)
 {
        int len = strlen(line);
 
@@ -21,16 +21,19 @@ static void cleanup(char *line)
                        len--;
                        line[len] = 0;
                } while (len > 1);
+               return 0;
        }
+       return 1;
 }
 
 int main(int argc, char **argv)
 {
        int empties = -1;
+       int incomplete = 0;
        char line[1024];
 
        while (fgets(line, sizeof(line), stdin)) {
-               cleanup(line);
+               incomplete = cleanup(line);
 
                /* Not just an empty line? */
                if (line[0] != '\n') {
@@ -44,5 +47,7 @@ int main(int argc, char **argv)
                        continue;
                empties++;
        }
+       if (incomplete)
+               putchar('\n');
        return 0;
 }