do_one_ref(): null_sha1 check is not about broken ref
f8948e2
(remote prune: warn dangling symrefs, 2009-02-08) introduced a
more dangerous variant of for_each_ref() family that skips the check for
dangling refs, but it also made another unrelated check optional by
mistake.
The check to see if a ref points at 0{40} is not about brokenness, but is
about a possible future plan to represent a deleted ref by writing 40 "0"
in a loose ref when there is a stale version of the same ref already in
.git/packed-refs, so that we can implement deletion of a ref without
having to rewrite the packed refs file excluding the ref being deleted.
This check has to live outside of the conditional.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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5
refs.c
5
refs.c
@ -531,9 +531,10 @@ static int do_one_ref(const char *base, each_ref_fn fn, int trim,
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{
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if (strncmp(base, entry->name, trim))
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return 0;
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/* Is this a "negative ref" that represents a deleted ref? */
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if (is_null_sha1(entry->sha1))
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return 0;
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if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) {
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if (is_null_sha1(entry->sha1))
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return 0;
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if (!has_sha1_file(entry->sha1)) {
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error("%s does not point to a valid object!", entry->name);
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return 0;
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