Simplify parsing branch switching events in reflog

We only accept "checkout: moving from A to B" newer style reflog entries,
in order to pick up A.  There is no point computing where B begins at
after running strstr to locate " to ", nor adding 4 and then subtracting 4
from the same pointer.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2009-01-21 00:37:38 -08:00
parent 101d15e097
commit d7c03c1ff9

View File

@ -723,17 +723,13 @@ static int grab_nth_branch_switch(unsigned char *osha1, unsigned char *nsha1,
if (!prefixcmp(message, "checkout: moving from ")) {
match = message + strlen("checkout: moving from ");
if ((target = strstr(match, " to ")) != NULL)
target += 4;
target = strstr(match, " to ");
}
if (!match || !target)
return 0;
len = target - match - 4;
if (target[len] == '\n' && !strncmp(match, target, len))
return 0;
len = target - match;
nth = cb->cnt++ % cb->alloc;
strbuf_reset(&cb->buf[nth]);
strbuf_add(&cb->buf[nth], match, len);