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fast-import: add support to delete refs

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Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Felipe Contreras
2014-04-20 13:59:27 -05:00
committed by Junio C Hamano
parent 9193f74235
commit 4ee1b225b9
3 changed files with 31 additions and 3 deletions
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13
fast-import.c
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@ -248,6 +248,7 @@ struct branch {
uintmax_t last_commit;
uintmax_t num_notes;
unsigned active : 1;
unsigned delete : 1;
unsigned pack_id : PACK_ID_BITS;
unsigned char sha1[20];
};
@ -1681,10 +1682,13 @@ static int update_branch(struct branch *b)
struct ref_lock *lock;
unsigned char old_sha1[20];
if (is_null_sha1(b->sha1))
return 0;
if (read_ref(b->name, old_sha1))
hashclr(old_sha1);
if (is_null_sha1(b->sha1)) {
if (b->delete)
delete_ref(b->name, old_sha1, 0);
return 0;
}
lock = lock_any_ref_for_update(b->name, old_sha1, 0, NULL);
if (!lock)
return error("Unable to lock %s", b->name);
@ -2611,8 +2615,11 @@ static int parse_from(struct branch *b)
free(buf);
} else
parse_from_existing(b);
} else if (!get_sha1(from, b->sha1))
} else if (!get_sha1(from, b->sha1)) {
parse_from_existing(b);
if (is_null_sha1(b->sha1))
b->delete = 1;
}
else
die("Invalid ref name or SHA1 expression: %s", from);