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refs: move the remaining ref module declarations to refs.h

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Some functions from the refs module were still declared in cache.h.
Move them to refs.h.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2015-06-22 16:03:05 +02:00
committed by Junio C Hamano
parent e426ff4222
commit fb58c8d507
10 changed files with 109 additions and 91 deletions
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66
cache.h
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@ -1009,76 +1009,10 @@ extern int get_oid_hex(const char *hex, struct object_id *sha1);
extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
extern char *oid_to_hex(const struct object_id *oid); /* same static buffer as sha1_to_hex */
extern int read_ref_full(const char *refname, int resolve_flags,
unsigned char *sha1, int *flags);
extern int read_ref(const char *refname, unsigned char *sha1);
/*
* Resolve a reference, recursively following symbolic refererences.
*
* Store the referred-to object's name in sha1 and return the name of
* the non-symbolic reference that ultimately pointed at it. The
* return value, if not NULL, is a pointer into either a static buffer
* or the input ref.
*
* If the reference cannot be resolved to an object, the behavior
* depends on the RESOLVE_REF_READING flag:
*
* - If RESOLVE_REF_READING is set, return NULL.
*
* - If RESOLVE_REF_READING is not set, clear sha1 and return the name of
* the last reference name in the chain, which will either be a non-symbolic
* reference or an undefined reference. If this is a prelude to
* "writing" to the ref, the return value is the name of the ref
* that will actually be created or changed.
*
* If the RESOLVE_REF_NO_RECURSE flag is passed, only resolves one
* level of symbolic reference. The value stored in sha1 for a symbolic
* reference will always be null_sha1 in this case, and the return
* value is the reference that the symref refers to directly.
*
* If flags is non-NULL, set the value that it points to the
* combination of REF_ISPACKED (if the reference was found among the
* packed references), REF_ISSYMREF (if the initial reference was a
* symbolic reference), REF_BAD_NAME (if the reference name is ill
* formed --- see RESOLVE_REF_ALLOW_BAD_NAME below), and REF_ISBROKEN
* (if the ref is malformed or has a bad name). See refs.h for more detail
* on each flag.
*
* If ref is not a properly-formatted, normalized reference, return
* NULL. If more than MAXDEPTH recursive symbolic lookups are needed,
* give up and return NULL.
*
* RESOLVE_REF_ALLOW_BAD_NAME allows resolving refs even when their
* name is invalid according to git-check-ref-format(1). If the name
* is bad then the value stored in sha1 will be null_sha1 and the two
* flags REF_ISBROKEN and REF_BAD_NAME will be set.
*
* Even with RESOLVE_REF_ALLOW_BAD_NAME, names that escape the refs/
* directory and do not consist of all caps and underscores cannot be
* resolved. The function returns NULL for such ref names.
* Caps and underscores refers to the special refs, such as HEAD,
* FETCH_HEAD and friends, that all live outside of the refs/ directory.
*/
#define RESOLVE_REF_READING 0x01
#define RESOLVE_REF_NO_RECURSE 0x02
#define RESOLVE_REF_ALLOW_BAD_NAME 0x04
extern const char *resolve_ref_unsafe(const char *ref, int resolve_flags, unsigned char *sha1, int *flags);
extern char *resolve_refdup(const char *ref, int resolve_flags, unsigned char *sha1, int *flags);
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);
extern int interpret_branch_name(const char *str, int len, struct strbuf *);
extern int get_sha1_mb(const char *str, unsigned char *sha1);
/*
* Return true iff abbrev_name is a possible abbreviation for
* full_name according to the rules defined by ref_rev_parse_rules in
* refs.c.
*/
extern int refname_match(const char *abbrev_name, const char *full_name);
extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg);
extern int validate_headref(const char *ref);
extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);