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| Commit | Line | Data |
|---|---|---|
| 95fc7512 DB |
1 | #ifndef REFS_H |
| 2 | #define REFS_H | |
| 3 | ||
| 4bd18c43 | 4 | struct ref_lock { |
| 434cd0cd | 5 | char *ref_name; |
| c33d5174 | 6 | struct lock_file *lk; |
| 4bd18c43 SP |
7 | unsigned char old_sha1[20]; |
| 8 | int lock_fd; | |
| 732232a1 | 9 | int force_write; |
| 4bd18c43 SP |
10 | }; |
| 11 | ||
| f4204ab9 JH |
12 | #define REF_ISSYMREF 01 |
| 13 | #define REF_ISPACKED 02 | |
| 14 | ||
| 8a65ff76 LT |
15 | /* |
| 16 | * Calls the specified function for each ref file until it returns nonzero, | |
| 17 | * and returns the value | |
| 18 | */ | |
| 8da19775 | 19 | typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data); |
| cb5d709f JH |
20 | extern int head_ref(each_ref_fn, void *); |
| 21 | extern int for_each_ref(each_ref_fn, void *); | |
| 22 | extern int for_each_tag_ref(each_ref_fn, void *); | |
| 23 | extern int for_each_branch_ref(each_ref_fn, void *); | |
| 24 | extern int for_each_remote_ref(each_ref_fn, void *); | |
| 8a65ff76 | 25 | |
| cf0adba7 JH |
26 | extern int peel_ref(const char *, unsigned char *); |
| 27 | ||
| 95fc7512 DB |
28 | /** Reads the refs file specified into sha1 **/ |
| 29 | extern int get_ref_sha1(const char *ref, unsigned char *sha1); | |
| 30 | ||
| 4bd18c43 | 31 | /** Locks a "refs/" ref returning the lock on success and NULL on failure. **/ |
| 4431fcc4 | 32 | extern struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1); |
| 4bd18c43 SP |
33 | |
| 34 | /** Locks any ref (for 'HEAD' type refs). */ | |
| 4431fcc4 | 35 | extern struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1); |
| 95fc7512 | 36 | |
| 4bd18c43 | 37 | /** Release any lock taken but not written. **/ |
| e5f38ec3 | 38 | extern void unlock_ref(struct ref_lock *lock); |
| 95fc7512 | 39 | |
| 4bd18c43 SP |
40 | /** Writes sha1 into the ref specified by the lock. **/ |
| 41 | extern int write_ref_sha1(struct ref_lock *lock, const unsigned char *sha1, const char *msg); | |
| 95fc7512 | 42 | |
| d556fae2 | 43 | /** Reads log for the value of ref during at_time. **/ |
| 16d7cc90 | 44 | extern int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1, char **msg, unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt); |
| d556fae2 | 45 | |
| 2ff81662 | 46 | /* iterate over reflog entries */ |
| 883d60fa JS |
47 | typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, const char *, unsigned long, int, const char *, void *); |
| 48 | int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data); | |
| 2ff81662 | 49 | |
| 95fc7512 DB |
50 | /** Returns 0 if target has the right format for a ref. **/ |
| 51 | extern int check_ref_format(const char *target); | |
| 52 | ||
| c976d415 | 53 | /** rename ref, return 0 on success **/ |
| 678d0f4c | 54 | extern int rename_ref(const char *oldref, const char *newref, const char *logmsg); |
| c976d415 | 55 | |
| 95fc7512 | 56 | #endif /* REFS_H */ |