"H. Peter Anvin" <[email protected]> writes:
> The users I am referring to generally have a --- line, rather than
> a scissor, between the cover text and commit. Also, there is
> (almost) always a From: line and subject at the top of the patch
> proper.
Oh, so it is more like this?
From: author name <[email protected]>
Date: author date
Subject: patch title
Heya,
I was walking my dog when I found a solution to this
problem the other day. Here it is.
---
>From 755e8b3f35e3991a735a6be740eda4567d45a741 Mon Sep 17 00:00:00 2001
From: author name <[email protected]>
Date: random date we do not care
Subject: patch title
commit message body
---
We could teach "am -c" to recognize the format-patch file magic
"^[>]From [0-9a-f]{40} Mon Sep 17 00:00:00 2001"
as another form of accepted scissors, I guess.
Something like the attached (untested) patch, perhaps.
But I am fairly negative on it.
Where would it end? After all, the top "---" is not something our
tools are generating, but is manually typed by the users.
I do not think it is unreasonable to expect that they are capable
and intelligent enough to guess that "---" is _not_ the way to say
"cut here and what follows are the log message", when "---" is
already the way to say "cut here, and what we saw up to this point
is the log message".
builtin/mailinfo.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c
index eaf9e15..62ea09d 100644
--- a/builtin/mailinfo.c
+++ b/builtin/mailinfo.c
@@ -730,6 +730,22 @@ static inline int patchbreak(const struct strbuf *line)
return 0;
}
+static int is_format_patch_magic(const struct strbuf *line)
+{
+ const char *buf = line->buf;
+ size_t len = line->len;
+
+ if (len && *buf == '>') {
+ buf++;
+ len--;
+ }
+ if (len < 70)
+ return 0;
+ return (!memcmp(buf, "From ", 5) &&
+ strspn(buf + 5, "0123456789abcdef") == 40 &&
+ !memcmp(buf + 46, "Mon Sep 17 00:00:00 2001", 24));
+}
+
static int is_scissors_line(const struct strbuf *line)
{
size_t i, len = line->len;
@@ -807,7 +823,7 @@ static int handle_commit_msg(struct strbuf *line)
if (metainfo_charset)
convert_to_utf8(line, charset.buf);
- if (use_scissors && is_scissors_line(line)) {
+ if (use_scissors && (is_scissors_line(line) ||
is_format_patch_magic(line))) {
int i;
if (fseek(cmitmsg, 0L, SEEK_SET))
die_errno("Could not rewind output message file");
--
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