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Diffstat (limited to 'sha1_file.c')
-rw-r--r--sha1_file.c79
1 files changed, 38 insertions, 41 deletions
diff --git a/sha1_file.c b/sha1_file.c
index 15abb18..8ae6cb6 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -416,6 +416,9 @@ static void link_alt_odb_entries(const char *alt, int sep,
struct strbuf objdirbuf = STRBUF_INIT;
struct strbuf entry = STRBUF_INIT;
+ if (!alt || !*alt)
+ return;
+
if (depth > 5) {
error("%s: ignoring alternate object stores, nesting too deep.",
relative_base);
@@ -468,19 +471,19 @@ struct alternate_object_database *alloc_alt_odb(const char *dir)
void add_to_alternates_file(const char *reference)
{
- struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
+ struct lock_file lock = LOCK_INIT;
char *alts = git_pathdup("objects/info/alternates");
FILE *in, *out;
+ int found = 0;
- hold_lock_file_for_update(lock, alts, LOCK_DIE_ON_ERROR);
- out = fdopen_lock_file(lock, "w");
+ hold_lock_file_for_update(&lock, alts, LOCK_DIE_ON_ERROR);
+ out = fdopen_lock_file(&lock, "w");
if (!out)
die_errno("unable to fdopen alternates lockfile");
in = fopen(alts, "r");
if (in) {
struct strbuf line = STRBUF_INIT;
- int found = 0;
while (strbuf_getline(&line, in) != EOF) {
if (!strcmp(reference, line.buf)) {
@@ -492,18 +495,15 @@ void add_to_alternates_file(const char *reference)
strbuf_release(&line);
fclose(in);
-
- if (found) {
- rollback_lock_file(lock);
- lock = NULL;
- }
}
else if (errno != ENOENT)
die_errno("unable to read alternates file");
- if (lock) {
+ if (found) {
+ rollback_lock_file(&lock);
+ } else {
fprintf_or_die(out, "%s\n", reference);
- if (commit_lock_file(lock))
+ if (commit_lock_file(&lock))
die_errno("unable to move new alternates file into place");
if (alt_odb_tail)
link_alt_odb_entries(reference, '\n', NULL, 0);
@@ -619,7 +619,6 @@ void prepare_alt_odb(void)
return;
alt = getenv(ALTERNATE_DB_ENVIRONMENT);
- if (!alt) alt = "";
alt_odb_tail = &alt_odb_list;
link_alt_odb_entries(alt, PATH_SEP, NULL, 0);
@@ -1676,7 +1675,7 @@ static void check_tag(const void *buf, size_t size)
die("corrupt tag");
}
-static int index_mem(unsigned char *sha1, void *buf, size_t size,
+static int index_mem(struct object_id *oid, void *buf, size_t size,
enum object_type type,
const char *path, unsigned flags)
{
@@ -1707,15 +1706,15 @@ static int index_mem(unsigned char *sha1, void *buf, size_t size,
}
if (write_object)
- ret = write_sha1_file(buf, size, typename(type), sha1);
+ ret = write_sha1_file(buf, size, typename(type), oid->hash);
else
- ret = hash_sha1_file(buf, size, typename(type), sha1);
+ ret = hash_sha1_file(buf, size, typename(type), oid->hash);
if (re_allocated)
free(buf);
return ret;
}
-static int index_stream_convert_blob(unsigned char *sha1, int fd,
+static int index_stream_convert_blob(struct object_id *oid, int fd,
const char *path, unsigned flags)
{
int ret;
@@ -1730,22 +1729,22 @@ static int index_stream_convert_blob(unsigned char *sha1, int fd,
if (write_object)
ret = write_sha1_file(sbuf.buf, sbuf.len, typename(OBJ_BLOB),
- sha1);
+ oid->hash);
else
ret = hash_sha1_file(sbuf.buf, sbuf.len, typename(OBJ_BLOB),
- sha1);
+ oid->hash);
strbuf_release(&sbuf);
return ret;
}
-static int index_pipe(unsigned char *sha1, int fd, enum object_type type,
+static int index_pipe(struct object_id *oid, int fd, enum object_type type,
const char *path, unsigned flags)
{
struct strbuf sbuf = STRBUF_INIT;
int ret;
if (strbuf_read(&sbuf, fd, 4096) >= 0)
- ret = index_mem(sha1, sbuf.buf, sbuf.len, type, path, flags);
+ ret = index_mem(oid, sbuf.buf, sbuf.len, type, path, flags);
else
ret = -1;
strbuf_release(&sbuf);
@@ -1754,14 +1753,14 @@ static int index_pipe(unsigned char *sha1, int fd, enum object_type type,
#define SMALL_FILE_SIZE (32*1024)
-static int index_core(unsigned char *sha1, int fd, size_t size,
+static int index_core(struct object_id *oid, int fd, size_t size,
enum object_type type, const char *path,
unsigned flags)
{
int ret;
if (!size) {
- ret = index_mem(sha1, "", size, type, path, flags);
+ ret = index_mem(oid, "", size, type, path, flags);
} else if (size <= SMALL_FILE_SIZE) {
char *buf = xmalloc(size);
ssize_t read_result = read_in_full(fd, buf, size);
@@ -1772,11 +1771,11 @@ static int index_core(unsigned char *sha1, int fd, size_t size,
ret = error("short read while indexing %s",
path ? path : "<unknown>");
else
- ret = index_mem(sha1, buf, size, type, path, flags);
+ ret = index_mem(oid, buf, size, type, path, flags);
free(buf);
} else {
void *buf = xmmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
- ret = index_mem(sha1, buf, size, type, path, flags);
+ ret = index_mem(oid, buf, size, type, path, flags);
munmap(buf, size);
}
return ret;
@@ -1814,12 +1813,12 @@ int index_fd(struct object_id *oid, int fd, struct stat *st,
* die() for large files.
*/
if (type == OBJ_BLOB && path && would_convert_to_git_filter_fd(path))
- ret = index_stream_convert_blob(oid->hash, fd, path, flags);
+ ret = index_stream_convert_blob(oid, fd, path, flags);
else if (!S_ISREG(st->st_mode))
- ret = index_pipe(oid->hash, fd, type, path, flags);
+ ret = index_pipe(oid, fd, type, path, flags);
else if (st->st_size <= big_file_threshold || type != OBJ_BLOB ||
(path && would_convert_to_git(&the_index, path)))
- ret = index_core(oid->hash, fd, xsize_t(st->st_size), type, path,
+ ret = index_core(oid, fd, xsize_t(st->st_size), type, path,
flags);
else
ret = index_stream(oid, fd, xsize_t(st->st_size), type, path,
@@ -1853,7 +1852,7 @@ int index_path(struct object_id *oid, const char *path, struct stat *st, unsigne
strbuf_release(&sb);
break;
case S_IFDIR:
- return resolve_gitlink_ref(path, "HEAD", oid->hash);
+ return resolve_gitlink_ref(path, "HEAD", oid);
default:
return error("%s: unsupported file type", path);
}
@@ -1896,6 +1895,7 @@ int for_each_file_in_obj_subdir(unsigned int subdir_nr,
DIR *dir;
struct dirent *de;
int r = 0;
+ struct object_id oid;
if (subdir_nr > 0xff)
BUG("invalid loose object subdirectory: %x", subdir_nr);
@@ -1913,6 +1913,8 @@ int for_each_file_in_obj_subdir(unsigned int subdir_nr,
return r;
}
+ oid.hash[0] = subdir_nr;
+
while ((de = readdir(dir))) {
if (is_dot_or_dotdot(de->d_name))
continue;
@@ -1920,20 +1922,15 @@ int for_each_file_in_obj_subdir(unsigned int subdir_nr,
strbuf_setlen(path, baselen);
strbuf_addf(path, "/%s", de->d_name);
- if (strlen(de->d_name) == GIT_SHA1_HEXSZ - 2) {
- char hex[GIT_MAX_HEXSZ+1];
- struct object_id oid;
-
- xsnprintf(hex, sizeof(hex), "%02x%s",
- subdir_nr, de->d_name);
- if (!get_oid_hex(hex, &oid)) {
- if (obj_cb) {
- r = obj_cb(&oid, path->buf, data);
- if (r)
- break;
- }
- continue;
+ if (strlen(de->d_name) == GIT_SHA1_HEXSZ - 2 &&
+ !hex_to_bytes(oid.hash + 1, de->d_name,
+ GIT_SHA1_RAWSZ - 1)) {
+ if (obj_cb) {
+ r = obj_cb(&oid, path->buf, data);
+ if (r)
+ break;
}
+ continue;
}
if (cruft_cb) {
generated by cgit v0.10.2-6-g49f6 at 2024-05-10 11:34:51 (GMT)