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Add support for negative refs

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You can remove a ref that is packed two different ways: either simply
repack all the refs without that one, or create a loose ref that has the
magic all-zero SHA1.

This also adds back the test that a ref actually has the object it
points to.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Linus Torvalds 2006-09-11 20:10:15 -07:00 committed by Junio C Hamano
parent e1e22e37f4
commit b37a562a10
1 changed files with 6 additions and 0 deletions
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6
refs.c
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@ -280,6 +280,12 @@ static int do_for_each_ref(const char *base, int (*fn)(const char *path, const u
}
if (strncmp(base, entry->name, trim))
continue;
if (is_null_sha1(entry->sha1))
continue;
if (!has_sha1_file(entry->sha1)) {
error("%s does not point to a valid object!", entry->name);
continue;
}
retval = fn(entry->name + trim, entry->sha1);
if (retval)
return retval;