diff options
Diffstat (limited to 'refs.h')
| -rw-r--r-- | refs.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/refs.h b/refs.h new file mode 100644 index 0000000000..2625596701 --- /dev/null +++ b/refs.h @@ -0,0 +1,28 @@ +#ifndef REFS_H +#define REFS_H + +/* + * Calls the specified function for each ref file until it returns nonzero, + * and returns the value + */ +extern int head_ref(int (*fn)(const char *path, const unsigned char *sha1)); +extern int for_each_ref(int (*fn)(const char *path, const unsigned char *sha1)); + +/** Reads the refs file specified into sha1 **/ +extern int get_ref_sha1(const char *ref, unsigned char *sha1); + +/** Locks ref and returns the fd to give to write_ref_sha1() if the ref + * has the given value currently; otherwise, returns -1. + **/ +extern int lock_ref_sha1(const char *ref, const unsigned char *old_sha1); + +/** Writes sha1 into the refs file specified, locked with the given fd. **/ +extern int write_ref_sha1(const char *ref, int fd, const unsigned char *sha1); + +/** Writes sha1 into the refs file specified. **/ +extern int write_ref_sha1_unlocked(const char *ref, const unsigned char *sha1); + +/** Returns 0 if target has the right format for a ref. **/ +extern int check_ref_format(const char *target); + +#endif /* REFS_H */ |