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show_head_ref(): check the result of resolve_ref_namespace()

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Only use the result of resolve_ref_namespace() if it is non-NULL.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2016-04-07 15:03:09 -04:00
committed by Junio C Hamano
parent ded8393610
commit 7fd12bfbef
1 changed files with 2 additions and 2 deletions
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4
http-backend.c
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@ -484,9 +484,9 @@ static int show_head_ref(const char *refname, const struct object_id *oid,
const char *target = resolve_ref_unsafe(refname, const char *target = resolve_ref_unsafe(refname,
RESOLVE_REF_READING, RESOLVE_REF_READING,
unused.hash, NULL); unused.hash, NULL);
const char *target_nons = strip_namespace(target);
strbuf_addf(buf, "ref: %s\n", target_nons); if (target)
strbuf_addf(buf, "ref: %s\n", strip_namespace(target));
} else { } else {
strbuf_addf(buf, "%s\n", oid_to_hex(oid)); strbuf_addf(buf, "%s\n", oid_to_hex(oid));
} }