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sha1_name.c: introduce get_sha1_committish()

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Many callers know that the user meant to name a committish by
syntactical positions where the object name appears.  Calling this
function allows the machinery to disambiguate shorter-than-unique
abbreviated object names between committish and others.

Note that this does NOT error out when the named object is not a
committish. It is merely to give a hint to the disambiguation
machinery.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2012-07-02 12:04:52 -07:00
parent 33bd598c39
commit cd74e4733d
5 changed files with 25 additions and 7 deletions
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1
cache.h
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@ -817,6 +817,7 @@ struct object_context {
#define GET_SHA1_ONLY_TO_DIE 04000
extern int get_sha1(const char *str, unsigned char *sha1);
extern int get_sha1_committish(const char *str, unsigned char *sha1);
extern void maybe_die_on_misspelt_object_name(const char *name, const char *prefix);
extern int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *orc);