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revision arguments: ..B means HEAD..B, just like A.. means A..HEAD

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For consistency reasons, we should probably allow that to be written as
just "..branch", the same way we can write "branch.." to mean "everything
in HEAD but not in "branch".

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2006-03-29 19:41:37 -08:00
parent 384e99a4a9
commit ce4a706388
2 changed files with 18 additions and 12 deletions
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19
rev-parse.c
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@ -315,16 +315,17 @@ int main(int argc, char **argv)
dotdot = strstr(arg, "..");
if (dotdot) {
unsigned char end[20];
char *n = dotdot+2;
char *next = dotdot + 2;
char *this = arg;
*dotdot = 0;
if (!get_sha1(arg, sha1)) {
if (!*n)
n = "HEAD";
if (!get_sha1(n, end)) {
show_rev(NORMAL, end, n);
show_rev(REVERSED, sha1, arg);
continue;
}
if (!*next)
next = "HEAD";
if (dotdot == arg)
this = "HEAD";
if (!get_sha1(this, sha1) && !get_sha1(next, end)) {
show_rev(NORMAL, end, next);
show_rev(REVERSED, sha1, this);
continue;
}
*dotdot = '.';
}