#include "remote.h"
#include "run-command.h"
#include "transport.h"
+#include "version.h"
static int transfer_unpack_limit = -1;
static int fetch_unpack_limit = -1;
static int no_done;
static int fetch_fsck_objects = -1;
static int transfer_fsck_objects = -1;
+static int agent_supported;
static struct fetch_pack_args args = {
/* .uploadpack = */ "git-upload-pack",
};
if (args.no_progress) strbuf_addstr(&c, " no-progress");
if (args.include_tag) strbuf_addstr(&c, " include-tag");
if (prefer_ofs_delta) strbuf_addstr(&c, " ofs-delta");
+ if (agent_supported) strbuf_addf(&c, " agent=%s",
+ git_user_agent_sanitized());
packet_buf_write(&req_buf, "want %s%s\n", remote_hex, c.buf);
strbuf_release(&c);
} else
}
}
-static void filter_refs(struct ref **refs, int nr_match, char **match)
+static void filter_refs(struct ref **refs, struct string_list *sought)
{
struct ref **return_refs;
struct ref *newlist = NULL;
struct ref **newtail = &newlist;
struct ref *ref, *next;
struct ref *fastarray[32];
+ int sought_pos;
- if (nr_match && !args.fetch_all) {
- if (ARRAY_SIZE(fastarray) < nr_match)
- return_refs = xcalloc(nr_match, sizeof(struct ref *));
+ if (sought->nr && !args.fetch_all) {
+ if (ARRAY_SIZE(fastarray) < sought->nr)
+ return_refs = xcalloc(sought->nr, sizeof(struct ref *));
else {
return_refs = fastarray;
- memset(return_refs, 0, sizeof(struct ref *) * nr_match);
+ memset(return_refs, 0, sizeof(struct ref *) * sought->nr);
}
}
else
return_refs = NULL;
+ sought_pos = 0;
for (ref = *refs; ref; ref = next) {
next = ref->next;
if (!memcmp(ref->name, "refs/", 5) &&
continue;
}
else {
- int i;
- for (i = 0; i < nr_match; i++) {
- if (!strcmp(ref->name, match[i])) {
- match[i][0] = '\0';
- return_refs[i] = ref;
+ int cmp = -1;
+ while (sought_pos < sought->nr) {
+ cmp = strcmp(ref->name, sought->items[sought_pos].string);
+ if (cmp < 0) /* definitely do not have it */
+ break;
+ else if (cmp == 0) { /* definitely have it */
+ sought->items[sought_pos].string[0] = '\0';
+ return_refs[sought_pos] = ref;
break;
}
+ else /* might have it; keep looking */
+ sought_pos++;
}
- if (i < nr_match)
+ if (!cmp)
continue; /* we will link it later */
}
free(ref);
if (!args.fetch_all) {
int i;
- for (i = 0; i < nr_match; i++) {
+ for (i = 0; i < sought->nr; i++) {
ref = return_refs[i];
if (ref) {
*newtail = ref;
mark_complete(NULL, ref->old_sha1, 0, NULL);
}
-static int everything_local(struct ref **refs, int nr_match, char **match)
+static int everything_local(struct ref **refs, struct string_list *sought)
{
struct ref *ref;
int retval;
}
}
- filter_refs(refs, nr_match, match);
+ filter_refs(refs, sought);
for (retval = 1, ref = *refs; ref ; ref = ref->next) {
const unsigned char *remote = ref->old_sha1;
static struct ref *do_fetch_pack(int fd[2],
const struct ref *orig_ref,
- int nr_match,
- char **match,
+ struct string_list *sought,
char **pack_lockfile)
{
struct ref *ref = copy_ref_list(orig_ref);
unsigned char sha1[20];
+ const char *agent_feature;
+ int agent_len;
+
+ sort_ref_list(&ref, ref_compare_name);
if (is_repository_shallow() && !server_supports("shallow"))
die("Server does not support shallow clients");
fprintf(stderr, "Server supports side-band\n");
use_sideband = 1;
}
+ if (!server_supports("thin-pack"))
+ args.use_thin_pack = 0;
+ if (!server_supports("no-progress"))
+ args.no_progress = 0;
+ if (!server_supports("include-tag"))
+ args.include_tag = 0;
if (server_supports("ofs-delta")) {
if (args.verbose)
fprintf(stderr, "Server supports ofs-delta\n");
} else
prefer_ofs_delta = 0;
- if (everything_local(&ref, nr_match, match)) {
+
+ if ((agent_feature = server_feature_value("agent", &agent_len))) {
+ agent_supported = 1;
+ if (args.verbose && agent_len)
+ fprintf(stderr, "Server version is %.*s\n",
+ agent_len, agent_feature);
+ }
+
+ if (everything_local(&ref, sought)) {
packet_flush(fd[1]);
goto all_done;
}
return ref;
}
-static int remove_duplicates(int nr_heads, char **heads)
+static int remove_duplicates(struct string_list *sought)
{
int src, dst;
- for (src = dst = 0; src < nr_heads; src++) {
- /* If heads[src] is different from any of
- * heads[0..dst], push it in.
- */
- int i;
- for (i = 0; i < dst; i++) {
- if (!strcmp(heads[i], heads[src]))
- break;
- }
- if (i < dst)
- continue;
- if (src != dst)
- heads[dst] = heads[src];
- dst++;
- }
+ if (!sought->nr)
+ return 0;
+
+ for (src = dst = 1; src < sought->nr; src++)
+ if (strcmp(sought->items[src].string, sought->items[dst-1].string))
+ sought->items[dst++] = sought->items[src];
return dst;
}
int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
{
- int i, ret, nr_heads;
+ int i, ret;
struct ref *ref = NULL;
- char *dest = NULL, **heads;
+ const char *dest = NULL;
+ struct string_list sought = STRING_LIST_INIT_DUP;
int fd[2];
char *pack_lockfile = NULL;
char **pack_lockfile_ptr = NULL;
packet_trace_identity("fetch-pack");
- nr_heads = 0;
- heads = NULL;
- for (i = 1; i < argc; i++) {
+ for (i = 1; i < argc && *argv[i] == '-'; i++) {
const char *arg = argv[i];
- if (*arg == '-') {
- if (!prefixcmp(arg, "--upload-pack=")) {
- args.uploadpack = arg + 14;
- continue;
- }
- if (!prefixcmp(arg, "--exec=")) {
- args.uploadpack = arg + 7;
- continue;
- }
- if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
- args.quiet = 1;
- continue;
- }
- if (!strcmp("--keep", arg) || !strcmp("-k", arg)) {
- args.lock_pack = args.keep_pack;
- args.keep_pack = 1;
- continue;
- }
- if (!strcmp("--thin", arg)) {
- 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 (!strcmp("--stdin", arg)) {
- args.stdin_refs = 1;
- continue;
- }
- if (!strcmp("-v", arg)) {
- args.verbose = 1;
- continue;
- }
- if (!prefixcmp(arg, "--depth=")) {
- args.depth = strtol(arg + 8, NULL, 0);
- continue;
- }
- if (!strcmp("--no-progress", arg)) {
- args.no_progress = 1;
- continue;
- }
- if (!strcmp("--stateless-rpc", arg)) {
- args.stateless_rpc = 1;
- continue;
- }
- if (!strcmp("--lock-pack", arg)) {
- args.lock_pack = 1;
- pack_lockfile_ptr = &pack_lockfile;
- continue;
- }
- usage(fetch_pack_usage);
+ if (!prefixcmp(arg, "--upload-pack=")) {
+ args.uploadpack = arg + 14;
+ continue;
+ }
+ if (!prefixcmp(arg, "--exec=")) {
+ args.uploadpack = arg + 7;
+ continue;
+ }
+ if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
+ args.quiet = 1;
+ continue;
+ }
+ if (!strcmp("--keep", arg) || !strcmp("-k", arg)) {
+ args.lock_pack = args.keep_pack;
+ args.keep_pack = 1;
+ continue;
+ }
+ if (!strcmp("--thin", arg)) {
+ 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 (!strcmp("--stdin", arg)) {
+ args.stdin_refs = 1;
+ continue;
+ }
+ if (!strcmp("-v", arg)) {
+ args.verbose = 1;
+ continue;
+ }
+ if (!prefixcmp(arg, "--depth=")) {
+ args.depth = strtol(arg + 8, NULL, 0);
+ continue;
}
- dest = (char *)arg;
- heads = (char **)(argv + i + 1);
- nr_heads = argc - i - 1;
- break;
+ if (!strcmp("--no-progress", arg)) {
+ args.no_progress = 1;
+ continue;
+ }
+ if (!strcmp("--stateless-rpc", arg)) {
+ args.stateless_rpc = 1;
+ continue;
+ }
+ if (!strcmp("--lock-pack", arg)) {
+ args.lock_pack = 1;
+ pack_lockfile_ptr = &pack_lockfile;
+ continue;
+ }
+ usage(fetch_pack_usage);
}
- if (!dest)
+
+ if (i < argc)
+ dest = argv[i++];
+ else
usage(fetch_pack_usage);
+ /*
+ * Copy refs from cmdline to growable list, then append any
+ * refs from the standard input:
+ */
+ for (; i < argc; i++)
+ string_list_append(&sought, xstrdup(argv[i]));
if (args.stdin_refs) {
- /*
- * Copy refs from cmdline to new growable list, then
- * append the refs from the standard input.
- */
- int alloc_heads = nr_heads;
- int size = nr_heads * sizeof(*heads);
- heads = memcpy(xmalloc(size), heads, size);
if (args.stateless_rpc) {
/* in stateless RPC mode we use pkt-line to read
* from stdin, until we get a flush packet
break;
if (line[n-1] == '\n')
n--;
- ALLOC_GROW(heads, nr_heads + 1, alloc_heads);
- heads[nr_heads++] = xmemdupz(line, n);
+ string_list_append(&sought, xmemdupz(line, n));
}
}
else {
/* read from stdin one ref per line, until EOF */
struct strbuf line = STRBUF_INIT;
- while (strbuf_getline(&line, stdin, '\n') != EOF) {
- ALLOC_GROW(heads, nr_heads + 1, alloc_heads);
- heads[nr_heads++] = strbuf_detach(&line, NULL);
- }
+ while (strbuf_getline(&line, stdin, '\n') != EOF)
+ string_list_append(&sought, strbuf_detach(&line, NULL));
strbuf_release(&line);
}
}
fd[0] = 0;
fd[1] = 1;
} else {
- conn = git_connect(fd, (char *)dest, args.uploadpack,
+ conn = git_connect(fd, dest, args.uploadpack,
args.verbose ? CONNECT_VERBOSE : 0);
}
get_remote_heads(fd[0], &ref, 0, NULL);
ref = fetch_pack(&args, fd, conn, ref, dest,
- nr_heads, heads, pack_lockfile_ptr);
+ &sought, pack_lockfile_ptr);
if (pack_lockfile) {
printf("lock %s\n", pack_lockfile);
fflush(stdout);
ref = NULL;
ret = !ref;
- if (!ret && nr_heads) {
+ if (!ret && sought.nr) {
/* 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]);
+ for (i = 0; i < sought.nr; i++) {
+ char *s = sought.items[i].string;
+ if (s && s[0]) {
+ error("no such remote ref %s", s);
ret = 1;
}
+ }
}
while (ref) {
printf("%s %s\n",
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)
+ const char *dest,
+ struct string_list *sought,
+ char **pack_lockfile)
{
struct stat st;
struct ref *ref_cpy;
st.st_mtime = 0;
}
- if (heads && nr_heads)
- nr_heads = remove_duplicates(nr_heads, heads);
+ if (sought->nr) {
+ sort_string_list(sought);
+ remove_duplicates(sought);
+ }
+
if (!ref) {
packet_flush(fd[1]);
die("no matching remote head");
}
- ref_cpy = do_fetch_pack(fd, ref, nr_heads, heads, pack_lockfile);
+ ref_cpy = do_fetch_pack(fd, ref, sought, pack_lockfile);
if (args.depth > 0) {
struct cache_time mtime;