The function write_one_ref() is passed the list of refs received
from the other end, which was obtained by directory traversal
under $GIT_DIR/refs; this can contain paths other than what
git-init-db prepares and would fail to clone when there is
such.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
extern char *git_path(const char *fmt, ...);
extern char *sha1_file_name(const unsigned char *sha1);
extern char *git_path(const char *fmt, ...);
extern char *sha1_file_name(const unsigned char *sha1);
+int safe_create_leading_directories(char *path);
+
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern void * map_sha1_file(const unsigned char *sha1, unsigned long *size);
extern int unpack_sha1_header(z_stream *stream, void *map, unsigned long mapsize, void *buffer, unsigned long size);
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern void * map_sha1_file(const unsigned char *sha1, unsigned long *size);
extern int unpack_sha1_header(z_stream *stream, void *map, unsigned long mapsize, void *buffer, unsigned long size);
static void write_one_ref(struct ref *ref)
{
char *path = git_path(ref->name);
static void write_one_ref(struct ref *ref)
{
char *path = git_path(ref->name);
- int fd = open(path, O_CREAT | O_EXCL | O_WRONLY, 0666);
+ if (safe_create_leading_directories(path))
+ die("unable to create leading directory for %s", ref->name);
+ fd = open(path, O_CREAT | O_EXCL | O_WRONLY, 0666);
if (fd < 0)
die("unable to create ref %s", ref->name);
hex = sha1_to_hex(ref->sha1);
if (fd < 0)
die("unable to create ref %s", ref->name);
hex = sha1_to_hex(ref->sha1);
+int safe_create_leading_directories(char *path)
+{
+ char *pos = path;
+
+ while (pos) {
+ pos = strchr(pos, '/');
+ if (!pos)
+ break;
+ *pos = 0;
+ if (mkdir(path, 0777) < 0)
+ if (errno != EEXIST) {
+ *pos = '/';
+ return -1;
+ }
+ *pos++ = '/';
+ }
+ return 0;
+}
+
int get_sha1(const char *str, unsigned char *sha1)
{
static const char *prefix[] = {
int get_sha1(const char *str, unsigned char *sha1)
{
static const char *prefix[] = {