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Diffstat (limited to 'builtin/index-pack.c')
-rw-r--r--builtin/index-pack.c77
1 files changed, 44 insertions, 33 deletions
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 2f37a38fbc..5568a5bc3b 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -40,17 +40,13 @@ struct base_data {
int ofs_first, ofs_last;
};
-#if !defined(NO_PTHREADS) && defined(NO_THREAD_SAFE_PREAD)
-/* pread() emulation is not thread-safe. Disable threading. */
-#define NO_PTHREADS
-#endif
-
struct thread_local {
#ifndef NO_PTHREADS
pthread_t thread;
#endif
struct base_data *base_cache;
size_t base_cache_used;
+ int pack_fd;
};
/*
@@ -91,7 +87,8 @@ static off_t consumed_bytes;
static unsigned deepest_delta;
static git_SHA_CTX input_ctx;
static uint32_t input_crc32;
-static int input_fd, output_fd, pack_fd;
+static int input_fd, output_fd;
+static const char *curr_pack;
#ifndef NO_PTHREADS
@@ -134,6 +131,7 @@ static inline void unlock_mutex(pthread_mutex_t *mutex)
*/
static void init_thread(void)
{
+ int i;
init_recursive_mutex(&read_mutex);
pthread_mutex_init(&counter_mutex, NULL);
pthread_mutex_init(&work_mutex, NULL);
@@ -141,11 +139,18 @@ static void init_thread(void)
pthread_mutex_init(&deepest_delta_mutex, NULL);
pthread_key_create(&key, NULL);
thread_data = xcalloc(nr_threads, sizeof(*thread_data));
+ for (i = 0; i < nr_threads; i++) {
+ thread_data[i].pack_fd = open(curr_pack, O_RDONLY);
+ if (thread_data[i].pack_fd == -1)
+ die_errno(_("unable to open %s"), curr_pack);
+ }
+
threads_active = 1;
}
static void cleanup_thread(void)
{
+ int i;
if (!threads_active)
return;
threads_active = 0;
@@ -154,6 +159,8 @@ static void cleanup_thread(void)
pthread_mutex_destroy(&work_mutex);
if (show_stat)
pthread_mutex_destroy(&deepest_delta_mutex);
+ for (i = 0; i < nr_threads; i++)
+ close(thread_data[i].pack_fd);
pthread_key_delete(key);
free(thread_data);
}
@@ -200,8 +207,13 @@ static unsigned check_object(struct object *obj)
if (!(obj->flags & FLAG_CHECKED)) {
unsigned long size;
int type = sha1_object_info(obj->sha1, &size);
- if (type != obj->type || type <= 0)
- die(_("object of unexpected type"));
+ if (type <= 0)
+ die(_("did not receive expected object %s"),
+ sha1_to_hex(obj->sha1));
+ if (type != obj->type)
+ die(_("object %s: expected type %s, found %s"),
+ sha1_to_hex(obj->sha1),
+ typename(obj->type), typename(type));
obj->flags |= FLAG_CHECKED;
return 1;
}
@@ -288,13 +300,13 @@ static const char *open_pack_file(const char *pack_name)
output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600);
if (output_fd < 0)
die_errno(_("unable to create '%s'"), pack_name);
- pack_fd = output_fd;
+ nothread_data.pack_fd = output_fd;
} else {
input_fd = open(pack_name, O_RDONLY);
if (input_fd < 0)
die_errno(_("cannot open packfile '%s'"), pack_name);
output_fd = -1;
- pack_fd = input_fd;
+ nothread_data.pack_fd = input_fd;
}
git_SHA1_Init(&input_ctx);
return pack_name;
@@ -350,8 +362,7 @@ static void set_thread_data(struct thread_local *data)
static struct base_data *alloc_base_data(void)
{
- struct base_data *base = xmalloc(sizeof(struct base_data));
- memset(base, 0, sizeof(*base));
+ struct base_data *base = xcalloc(1, sizeof(struct base_data));
base->ref_last = -1;
base->ofs_last = -1;
return base;
@@ -542,7 +553,7 @@ static void *unpack_data(struct object_entry *obj,
do {
ssize_t n = (len < 64*1024) ? len : 64*1024;
- n = pread(pack_fd, inbuf, n, from);
+ n = xpread(get_thread_data()->pack_fd, inbuf, n, from);
if (n < 0)
die_errno(_("cannot pread pack file"));
if (!n)
@@ -774,7 +785,8 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
}
if (obj->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *) obj;
- commit->buffer = NULL;
+ if (detach_commit_buffer(commit, NULL) != data)
+ die("BUG: parse_object_buffer transmogrified our buffer");
}
obj->flags |= FLAG_CHECKED;
}
@@ -1291,7 +1303,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
if (keep_fd < 0) {
if (errno != EEXIST)
die_errno(_("cannot write keep file '%s'"),
- keep_name);
+ keep_name ? keep_name : name);
} else {
if (keep_msg_len > 0) {
write_or_die(keep_fd, keep_msg, keep_msg_len);
@@ -1299,7 +1311,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
}
if (close(keep_fd) != 0)
die_errno(_("cannot close written keep file '%s'"),
- keep_name);
+ keep_name ? keep_name : name);
report = "keep";
}
}
@@ -1490,10 +1502,11 @@ static void show_pack_info(int stat_only)
int cmd_index_pack(int argc, const char **argv, const char *prefix)
{
int i, fix_thin_pack = 0, verify = 0, stat_only = 0;
- const char *curr_pack, *curr_index;
+ const char *curr_index;
const char *index_name = NULL, *pack_name = NULL;
const char *keep_name = NULL, *keep_msg = NULL;
- char *index_name_buf = NULL, *keep_name_buf = NULL;
+ struct strbuf index_name_buf = STRBUF_INIT,
+ keep_name_buf = STRBUF_INIT;
struct pack_idx_entry **idx_objects;
struct pack_idx_option opts;
unsigned char pack_sha1[20];
@@ -1502,7 +1515,7 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
if (argc == 2 && !strcmp(argv[1], "-h"))
usage(index_pack_usage);
- read_replace_refs = 0;
+ check_replace_refs = 0;
reset_pack_idx_option(&opts);
git_config(git_index_pack_config, &opts);
@@ -1590,24 +1603,22 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
if (fix_thin_pack && !from_stdin)
die(_("--fix-thin cannot be used without --stdin"));
if (!index_name && pack_name) {
- int len = strlen(pack_name);
- if (!has_extension(pack_name, ".pack"))
+ size_t len;
+ if (!strip_suffix(pack_name, ".pack", &len))
die(_("packfile name '%s' does not end with '.pack'"),
pack_name);
- index_name_buf = xmalloc(len);
- memcpy(index_name_buf, pack_name, len - 5);
- strcpy(index_name_buf + len - 5, ".idx");
- index_name = index_name_buf;
+ strbuf_add(&index_name_buf, pack_name, len);
+ strbuf_addstr(&index_name_buf, ".idx");
+ index_name = index_name_buf.buf;
}
if (keep_msg && !keep_name && pack_name) {
- int len = strlen(pack_name);
- if (!has_extension(pack_name, ".pack"))
+ size_t len;
+ if (!strip_suffix(pack_name, ".pack", &len))
die(_("packfile name '%s' does not end with '.pack'"),
pack_name);
- keep_name_buf = xmalloc(len);
- memcpy(keep_name_buf, pack_name, len - 5);
- strcpy(keep_name_buf + len - 5, ".keep");
- keep_name = keep_name_buf;
+ strbuf_add(&keep_name_buf, pack_name, len);
+ strbuf_addstr(&keep_name_buf, ".idx");
+ keep_name = keep_name_buf.buf;
}
if (verify) {
if (!index_name)
@@ -1655,8 +1666,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
else
close(input_fd);
free(objects);
- free(index_name_buf);
- free(keep_name_buf);
+ strbuf_release(&index_name_buf);
+ strbuf_release(&keep_name_buf);
if (pack_name == NULL)
free((void *) curr_pack);
if (index_name == NULL)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 07:33:25 +0000