Re: [PATCH v3 05/11] sequencer.c: recognize "(cherry picked from ..." as part of s-o-b footer

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Brandon Casey wrote:

> Let's detect "(cherry picked from...)" as part of the footer so that we
> will produce this:
>
>    Signed-off-by: A U Thor <author@xxxxxxxxxxx>
>    (cherry picked from da39a3ee5e6b4b0d3255bfef95601890afd80709)
>    Signed-off-by: C O Mmitter <committer@xxxxxxxxxxx>
>
> instead of this:
>
>    Signed-off-by: A U Thor <author@xxxxxxxxxxx>
>    (cherry picked from da39a3ee5e6b4b0d3255bfef95601890afd80709)
>
>    Signed-off-by: C O Mmitter <committer@xxxxxxxxxxx>

Here's the tweak I suggested last time.  I think its behavior is
slightly better in the "ends with incomplete line" case because it
limits the characters examined by is_rfc2822_line() and
is_cherry_picked_from_line() not to include buf[len] (which would
presumably sometimes be '\0').

diff --git i/sequencer.c w/sequencer.c
index 0b5cd18c..fa29c7c5 100644
--- i/sequencer.c
+++ w/sequencer.c
@@ -1043,9 +1043,7 @@ static int is_cherry_picked_from_line(const char *buf, int len)
 	/*
 	 * We only care that it looks roughly like (cherry picked from ...)
 	 */
-	return !prefixcmp(buf, cherry_picked_prefix) &&
-		(buf[len - 1] == ')' ||
-		 (buf[len - 1] == '\n' && buf[len - 2] == ')'));
+	return !prefixcmp(buf, cherry_picked_prefix) && buf[len - 1] == ')';
 }
 
 static int has_conforming_footer(struct strbuf *sb, int ignore_footer)
@@ -1072,8 +1070,8 @@ static int has_conforming_footer(struct strbuf *sb, int ignore_footer)
 			; /* do nothing */
 		k++;
 
-		if (!(is_rfc2822_line(buf + i, k - i) ||
-			is_cherry_picked_from_line(buf + i, k - i)))
+		if (!is_rfc2822_line(buf + i, k - i - 1) &&
+		    !is_cherry_picked_from_line(buf + i, k - i - 1))
 			return 0;
 	}
 	return 1;
--
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