diff options
Diffstat (limited to 'sha1_file.c')
| -rw-r--r-- | sha1_file.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/sha1_file.c b/sha1_file.c index f4c742eed4..6638202781 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -240,10 +240,12 @@ static struct alternate_object_database **alt_odb_tail; * SHA1, an extra slash for the first level indirection, and the * terminating NUL. */ -static void link_alt_odb_entries(const char *alt, const char *ep, int sep) +static void link_alt_odb_entries(const char *alt, const char *ep, int sep, + const char *relative_base) { const char *cp, *last; struct alternate_object_database *ent; + int base_len = -1; last = alt; while (last < ep) { @@ -261,12 +263,25 @@ static void link_alt_odb_entries(const char *alt, const char *ep, int sep) int pfxlen = cp - last; int entlen = pfxlen + 43; + if (*last != '/' && relative_base) { + /* Relative alt-odb */ + if (base_len < 0) + base_len = strlen(relative_base) + 1; + entlen += base_len; + pfxlen += base_len; + } ent = xmalloc(sizeof(*ent) + entlen); *alt_odb_tail = ent; alt_odb_tail = &(ent->next); ent->next = NULL; - - memcpy(ent->base, last, pfxlen); + if (*last != '/' && relative_base) { + memcpy(ent->base, relative_base, base_len - 1); + ent->base[base_len - 1] = '/'; + memcpy(ent->base + base_len, + last, cp - last); + } + else + memcpy(ent->base, last, pfxlen); ent->name = ent->base + pfxlen + 1; ent->base[pfxlen] = ent->base[pfxlen + 3] = '/'; ent->base[entlen-1] = 0; @@ -288,12 +303,12 @@ void prepare_alt_odb(void) alt = getenv(ALTERNATE_DB_ENVIRONMENT); if (!alt) alt = ""; - sprintf(path, "%s/info/alternates", get_object_directory()); if (alt_odb_tail) return; alt_odb_tail = &alt_odb_list; - link_alt_odb_entries(alt, alt + strlen(alt), ':'); + link_alt_odb_entries(alt, alt + strlen(alt), ':', NULL); + sprintf(path, "%s/info/alternates", get_object_directory()); fd = open(path, O_RDONLY); if (fd < 0) return; @@ -306,7 +321,8 @@ void prepare_alt_odb(void) if (map == MAP_FAILED) return; - link_alt_odb_entries(map, map + st.st_size, '\n'); + link_alt_odb_entries(map, map + st.st_size, '\n', + get_object_directory()); munmap(map, st.st_size); } |