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Commit | Line | Data |
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95fc7512 DB |
1 | #ifndef REFS_H |
2 | #define REFS_H | |
3 | ||
8a65ff76 LT |
4 | /* |
5 | * Calls the specified function for each ref file until it returns nonzero, | |
6 | * and returns the value | |
7 | */ | |
723c31fe | 8 | extern int head_ref(int (*fn)(const char *path, const unsigned char *sha1)); |
944d8589 | 9 | extern int for_each_ref(int (*fn)(const char *path, const unsigned char *sha1)); |
8a65ff76 | 10 | |
95fc7512 DB |
11 | /** Reads the refs file specified into sha1 **/ |
12 | extern int get_ref_sha1(const char *ref, unsigned char *sha1); | |
13 | ||
14 | /** Locks ref and returns the fd to give to write_ref_sha1() if the ref | |
15 | * has the given value currently; otherwise, returns -1. | |
16 | **/ | |
17 | extern int lock_ref_sha1(const char *ref, const unsigned char *old_sha1); | |
18 | ||
19 | /** Writes sha1 into the refs file specified, locked with the given fd. **/ | |
20 | extern int write_ref_sha1(const char *ref, int fd, const unsigned char *sha1); | |
21 | ||
22 | /** Writes sha1 into the refs file specified. **/ | |
23 | extern int write_ref_sha1_unlocked(const char *ref, const unsigned char *sha1); | |
24 | ||
25 | /** Returns 0 if target has the right format for a ref. **/ | |
26 | extern int check_ref_format(const char *target); | |
27 | ||
28 | #endif /* REFS_H */ |