refs: add expand_ref()

This is basically dwim_ref() without @{} support. To be used on the
server side where we want to expand abbreviated to full ref names and
nothing else. The first user is "git clone/fetch --shallow-exclude".

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2016-06-12 17:54:02 +07:00 committed by Junio C Hamano
parent 6d43a0cefd
commit 41da7111f2
2 changed files with 8 additions and 1 deletions

8
refs.c
View File

@ -392,6 +392,13 @@ static char *substitute_branch_name(const char **string, int *len)
int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
{
char *last_branch = substitute_branch_name(&str, &len);
int refs_found = expand_ref(str, len, sha1, ref);
free(last_branch);
return refs_found;
}
int expand_ref(const char *str, int len, unsigned char *sha1, char **ref)
{
const char **p, *r;
int refs_found = 0;
@ -417,7 +424,6 @@ int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
warning("ignoring broken ref %s.", fullref);
}
}
free(last_branch);
return refs_found;
}

1
refs.h
View File

@ -90,6 +90,7 @@ extern int resolve_gitlink_ref(const char *path, const char *refname, unsigned c
*/
extern int refname_match(const char *abbrev_name, const char *full_name);
extern int expand_ref(const char *str, int len, unsigned char *sha1, char **ref);
extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);