diff options
| -rw-r--r-- | builtin-pack-objects.c | 1 | ||||
| -rw-r--r-- | cache.h | 1 | ||||
| -rw-r--r-- | sha1_file.c | 31 |
3 files changed, 33 insertions, 0 deletions
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index 4411a480c..fb5e14d56 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -520,6 +520,7 @@ static void write_pack_file(void) snprintf(tmpname, sizeof(tmpname), "%s-%s.pack", base_name, sha1_to_hex(sha1)); + free_pack_by_name(tmpname); if (adjust_perm(pack_tmp_name, mode)) die("unable to make temporary pack file readable: %s", strerror(errno)); @@ -738,6 +738,7 @@ extern int open_pack_index(struct packed_git *); extern unsigned char* use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); extern void close_pack_windows(struct packed_git *); extern void unuse_pack(struct pack_window **); +extern void free_pack_by_name(const char *); extern struct packed_git *add_packed_git(const char *, int, int); extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t); extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t); diff --git a/sha1_file.c b/sha1_file.c index c35469d48..88035a0cd 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -660,6 +660,37 @@ void unuse_pack(struct pack_window **w_cursor) } /* + * This is used by git-repack in case a newly created pack happens to + * contain the same set of objects as an existing one. In that case + * the resulting file might be different even if its name would be the + * same. It is best to close any reference to the old pack before it is + * replaced on disk. Of course no index pointers nor windows for given pack + * must subsist at this point. If ever objects from this pack are requested + * again, the new version of the pack will be reinitialized through + * reprepare_packed_git(). + */ +void free_pack_by_name(const char *pack_name) +{ + struct packed_git *p, **pp = &packed_git; + + while (*pp) { + p = *pp; + if (strcmp(pack_name, p->pack_name) == 0) { + close_pack_windows(p); + if (p->pack_fd != -1) + close(p->pack_fd); + if (p->index_data) + munmap((void *)p->index_data, p->index_size); + free(p->bad_object_sha1); + *pp = p->next; + free(p); + return; + } + pp = &p->next; + } +} + +/* * Do not call this directly as this leaks p->pack_fd on error return; * call open_packed_git() instead. */ |