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git-commit: only append a newline to -m mesg if necessary

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Currently, git will append two newlines to every message supplied via
the -m switch.  The purpose of this is to allow -m to be supplied
multiple times and have each supplied string become a paragraph in the
resulting commit message.

Normally, this does not cause a problem since any trailing newlines will
be removed by the cleanup operation.  If cleanup=verbatim for example,
then the trailing newlines will not be removed and will survive into the
resulting commit message.

Instead, let's ensure that the string supplied to -m is newline terminated,
but only append a second newline when appending additional messages.

Fixes the test in t7502.

Signed-off-by: Brandon Casey <drafnel@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Casey
2013-02-18 20:17:06 -08:00
committed by Junio C Hamano
parent 5b012c80a1
commit a24a41ea9a
2 changed files with 4 additions and 2 deletions
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4
builtin/commit.c
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@ -124,8 +124,10 @@ static int opt_parse_m(const struct option *opt, const char *arg, int unset)
if (unset)
strbuf_setlen(buf, 0);
else {
if (buf->len)
strbuf_addch(buf, '\n');
strbuf_addstr(buf, arg);
strbuf_addstr(buf, "\n\n");
strbuf_complete_line(buf);
}
return 0;
}