#include "pack.h"
#include "sideband.h"
#include "fetch-pack.h"
+#include "remote.h"
#include "run-command.h"
static int transfer_unpack_limit = -1;
};
static const char fetch_pack_usage[] =
-"git-fetch-pack [--all] [--quiet|-q] [--keep|-k] [--thin] [--upload-pack=<git-upload-pack>] [--depth=<n>] [--no-progress] [-v] [<host>:]<directory> [<refs>...]";
+"git fetch-pack [--all] [--quiet|-q] [--keep|-k] [--thin] [--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] [--no-progress] [-v] [<host>:]<directory> [<refs>...]";
#define COMPLETE (1U << 0)
#define COMMON (1U << 1)
#define SEEN (1U << 3)
#define POPPED (1U << 4)
+static int marked;
+
/*
* After sending this many "have"s if we do not get any new ACK , we
* give up traversing our history.
#define MAX_IN_VAIN 256
static struct commit_list *rev_list;
-static int non_common_revs, multi_ack, use_thin_pack, use_sideband;
+static int non_common_revs, multi_ack, use_sideband;
static void rev_list_push(struct commit *commit, int mark)
{
commit->object.flags |= mark;
if (!(commit->object.parsed))
- parse_commit(commit);
+ if (parse_commit(commit))
+ return;
insert_by_date(commit, &rev_list);
return 0;
}
+static int clear_marks(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+{
+ struct object *o = deref_tag(parse_object(sha1), path, 0);
+
+ if (o && o->type == OBJ_COMMIT)
+ clear_commit_marks((struct commit *)o,
+ COMMON | COMMON_REF | SEEN | POPPED);
+ return 0;
+}
+
/*
This function marks a rev and its ancestors as common.
In some cases, it is desirable to mark only the ancestors (for example
if (!ancestors_only && !(o->flags & POPPED))
non_common_revs--;
if (!o->parsed && !dont_parse)
- parse_commit(commit);
+ if (parse_commit(commit))
+ return;
for (parents = commit->parents;
parents;
while (commit == NULL) {
unsigned int mark;
- struct commit_list* parents;
+ struct commit_list *parents;
if (rev_list == NULL || non_common_revs == 0)
return NULL;
commit = rev_list->item;
- if (!(commit->object.parsed))
+ if (!commit->object.parsed)
parse_commit(commit);
+ parents = commit->parents;
+
commit->object.flags |= POPPED;
if (!(commit->object.flags & COMMON))
non_common_revs--;
- parents = commit->parents;
-
if (commit->object.flags & COMMON) {
/* do not send "have", and ignore ancestors */
commit = NULL;
unsigned in_vain = 0;
int got_continue = 0;
+ if (marked)
+ for_each_ref(clear_marks, NULL);
+ marked = 1;
+
for_each_ref(rev_list_insert_ref, NULL);
fetching = 0;
}
if (!fetching)
- packet_write(fd[1], "want %s%s%s%s%s%s%s\n",
+ packet_write(fd[1], "want %s%s%s%s%s%s%s%s\n",
sha1_to_hex(remote),
(multi_ack ? " multi_ack" : ""),
(use_sideband == 2 ? " side-band-64k" : ""),
(use_sideband == 1 ? " side-band" : ""),
- (use_thin_pack ? " thin-pack" : ""),
+ (args.use_thin_pack ? " thin-pack" : ""),
(args.no_progress ? " no-progress" : ""),
+ (args.include_tag ? " include-tag" : ""),
" ofs-delta");
else
packet_write(fd[1], "want %s\n", sha1_to_hex(remote));
if (!lookup_object(sha1))
die("object not found: %s", line);
/* make sure that it is parsed as shallow */
- parse_object(sha1);
+ if (!parse_object(sha1))
+ die("error in object: %s", line);
if (unregister_shallow(sha1))
die("no shallow found: %s", line);
continue;
}
flushes--;
}
- return retval;
+ /* it is no error to fetch into a completely empty repo */
+ return count ? retval : 0;
}
static struct commit_list *complete;
int retval;
unsigned long cutoff = 0;
- track_object_refs = 0;
save_commit_buffer = 0;
for (ref = *refs; ref; ref = ref->next) {
{
int *xd = data;
- close(xd[1]);
return recv_sideband("fetch-pack", xd[0], fd, 2);
}
-static void setup_sideband(int fd[2], int xd[2], struct async *demux)
-{
- if (!use_sideband) {
- fd[0] = xd[0];
- fd[1] = xd[1];
- return;
- }
- /* xd[] is talking with upload-pack; subprocess reads from
- * xd[0], spits out band#2 to stderr, and feeds us band#1
- * through demux->out.
- */
- demux->proc = sideband_demux;
- demux->data = xd;
- if (start_async(demux))
- die("fetch-pack: unable to fork off sideband demultiplexer");
- close(xd[0]);
- fd[0] = demux->out;
- fd[1] = xd[1];
-}
-
static int get_pack(int xd[2], char **pack_lockfile)
{
struct async demux;
- int fd[2];
const char *argv[20];
char keep_arg[256];
char hdr_arg[256];
int do_keep = args.keep_pack;
struct child_process cmd;
- setup_sideband(fd, xd, &demux);
+ memset(&demux, 0, sizeof(demux));
+ if (use_sideband) {
+ /* xd[] is talking with upload-pack; subprocess reads from
+ * xd[0], spits out band#2 to stderr, and feeds us band#1
+ * through demux->out.
+ */
+ demux.proc = sideband_demux;
+ demux.data = xd;
+ if (start_async(&demux))
+ die("fetch-pack: unable to fork off sideband"
+ " demultiplexer");
+ }
+ else
+ demux.out = xd[0];
memset(&cmd, 0, sizeof(cmd));
cmd.argv = argv;
if (!args.keep_pack && unpack_limit) {
struct pack_header header;
- if (read_pack_header(fd[0], &header))
+ if (read_pack_header(demux.out, &header))
die("protocol error: bad pack header");
- snprintf(hdr_arg, sizeof(hdr_arg), "--pack_header=%u,%u",
+ snprintf(hdr_arg, sizeof(hdr_arg),
+ "--pack_header=%"PRIu32",%"PRIu32,
ntohl(header.hdr_version), ntohl(header.hdr_entries));
if (ntohl(header.hdr_entries) < unpack_limit)
do_keep = 0;
*av++ = hdr_arg;
*av++ = NULL;
- cmd.in = fd[0];
+ cmd.in = demux.out;
cmd.git_cmd = 1;
if (start_command(&cmd))
die("fetch-pack: unable to fork off %s", argv[0]);
- close(fd[1]);
- if (do_keep && pack_lockfile)
+ if (do_keep && pack_lockfile) {
*pack_lockfile = index_pack_lockfile(cmd.out);
+ close(cmd.out);
+ }
if (finish_command(&cmd))
die("%s failed", argv[0]);
}
static struct ref *do_fetch_pack(int fd[2],
+ const struct ref *orig_ref,
int nr_match,
char **match,
char **pack_lockfile)
{
- struct ref *ref;
+ struct ref *ref = copy_ref_list(orig_ref);
unsigned char sha1[20];
- get_remote_heads(fd[0], &ref, 0, NULL, 0);
if (is_repository_shallow() && !server_supports("shallow"))
die("Server does not support shallow clients");
if (server_supports("multi_ack")) {
fprintf(stderr, "Server supports side-band\n");
use_sideband = 1;
}
- if (!ref) {
- packet_flush(fd[1]);
- die("no matching remote head");
- }
if (everything_local(&ref, nr_match, match)) {
packet_flush(fd[1]);
goto all_done;
return dst;
}
-static int fetch_pack_config(const char *var, const char *value)
+static int fetch_pack_config(const char *var, const char *value, void *cb)
{
if (strcmp(var, "fetch.unpacklimit") == 0) {
fetch_unpack_limit = git_config_int(var, value);
return 0;
}
- return git_default_config(var, value);
+ return git_default_config(var, value, cb);
}
static struct lock_file lock;
static int did_setup;
if (did_setup)
return;
- git_config(fetch_pack_config);
+ git_config(fetch_pack_config, NULL);
if (0 <= transfer_unpack_limit)
unpack_limit = transfer_unpack_limit;
else if (0 <= fetch_unpack_limit)
int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
{
int i, ret, nr_heads;
- struct ref *ref;
+ struct ref *ref = NULL;
char *dest = NULL, **heads;
+ int fd[2];
+ struct child_process *conn;
nr_heads = 0;
heads = NULL;
args.use_thin_pack = 1;
continue;
}
+ if (!strcmp("--include-tag", arg)) {
+ args.include_tag = 1;
+ continue;
+ }
if (!strcmp("--all", arg)) {
args.fetch_all = 1;
continue;
if (!dest)
usage(fetch_pack_usage);
- ref = fetch_pack(&args, dest, nr_heads, heads, NULL);
+ conn = git_connect(fd, (char *)dest, args.uploadpack,
+ args.verbose ? CONNECT_VERBOSE : 0);
+ if (conn) {
+ get_remote_heads(fd[0], &ref, 0, NULL, 0);
+
+ ref = fetch_pack(&args, fd, conn, ref, dest, nr_heads, heads, NULL);
+ close(fd[0]);
+ close(fd[1]);
+ if (finish_connect(conn))
+ ref = NULL;
+ } else {
+ ref = NULL;
+ }
ret = !ref;
+ if (!ret && nr_heads) {
+ /* If the heads to pull were given, we should have
+ * consumed all of them by matching the remote.
+ * Otherwise, 'git-fetch remote no-such-ref' would
+ * silently succeed without issuing an error.
+ */
+ for (i = 0; i < nr_heads; i++)
+ if (heads[i] && heads[i][0]) {
+ error("no such remote ref %s", heads[i]);
+ ret = 1;
+ }
+ }
while (ref) {
printf("%s %s\n",
sha1_to_hex(ref->old_sha1), ref->name);
}
struct ref *fetch_pack(struct fetch_pack_args *my_args,
+ int fd[], struct child_process *conn,
+ const struct ref *ref,
const char *dest,
int nr_heads,
char **heads,
char **pack_lockfile)
{
- int i, ret;
- int fd[2];
- struct child_process *conn;
- struct ref *ref;
struct stat st;
+ struct ref *ref_cpy;
fetch_pack_setup();
memcpy(&args, my_args, sizeof(args));
st.st_mtime = 0;
}
- conn = git_connect(fd, (char *)dest, args.uploadpack,
- args.verbose ? CONNECT_VERBOSE : 0);
if (heads && nr_heads)
nr_heads = remove_duplicates(nr_heads, heads);
- ref = do_fetch_pack(fd, nr_heads, heads, pack_lockfile);
- close(fd[0]);
- close(fd[1]);
- ret = finish_connect(conn);
-
- if (!ret && nr_heads) {
- /* If the heads to pull were given, we should have
- * consumed all of them by matching the remote.
- * Otherwise, 'git-fetch remote no-such-ref' would
- * silently succeed without issuing an error.
- */
- for (i = 0; i < nr_heads; i++)
- if (heads[i] && heads[i][0]) {
- error("no such remote ref %s", heads[i]);
- ret = 1;
- }
+ if (!ref) {
+ packet_flush(fd[1]);
+ die("no matching remote head");
}
+ ref_cpy = do_fetch_pack(fd, ref, nr_heads, heads, pack_lockfile);
- if (!ret && args.depth > 0) {
+ if (args.depth > 0) {
struct cache_time mtime;
char *shallow = git_path("shallow");
int fd;
unlink(shallow);
rollback_lock_file(&lock);
} else {
- close(fd);
commit_lock_file(&lock);
}
}
- if (ret)
- ref = NULL;
-
- return ref;
+ reprepare_packed_git();
+ return ref_cpy;
}