Clean up trailing whitespace when pretty-printing commits

Partly because we've messed up and now have some commits with trailing
whitespace, but partly because this also just simplifies the code, let's
remove trailing whitespace from the end when pretty-printing commits.

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

diff --git a/commit.c b/commit.c
index c7bb8dba64d37a6733f521c166d24e348778965b..ca25574500fe3c88d2cc2953b7dd019b3acab9e7 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -557,16 +557,11 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit
                if (fmt == CMIT_FMT_ONELINE)
                        break;
        }
                if (fmt == CMIT_FMT_ONELINE)
                        break;
        }

-       if (fmt == CMIT_FMT_ONELINE) {
-               /* We do not want the terminating newline */
-               if (buf[offset - 1] == '\n')
-                       offset--;
-       }
-       else {
-               /* Make sure there is an EOLN */
-               if (buf[offset - 1] != '\n')
-                       buf[offset++] = '\n';
-       }
+       while (offset && isspace(buf[offset-1]))
+               offset--;
+       /* Make sure there is an EOLN for the non-oneline case */
+       if (fmt != CMIT_FMT_ONELINE)
+               buf[offset++] = '\n';

        buf[offset] = '\0';
        return offset;
 }
        buf[offset] = '\0';
        return offset;
 }