#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 int non_matching_ref(struct string_list_item *item, void *unused)
+{
+ if (item->util) {
+ item->util = NULL;
+ return 0;
+ }
+ else
+ return 1;
+}
+
+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 match_pos;
-
- if (nr_match && !args.fetch_all) {
- if (ARRAY_SIZE(fastarray) < nr_match)
- return_refs = xcalloc(nr_match, sizeof(struct ref *));
- else {
- return_refs = fastarray;
- memset(return_refs, 0, sizeof(struct ref *) * nr_match);
- }
- }
- else
- return_refs = NULL;
+ int sought_pos;
- match_pos = 0;
+ sought_pos = 0;
for (ref = *refs; ref; ref = next) {
+ int keep = 0;
next = ref->next;
if (!memcmp(ref->name, "refs/", 5) &&
check_refname_format(ref->name + 5, 0))
; /* trash */
- else if (args.fetch_all &&
- (!args.depth || prefixcmp(ref->name, "refs/tags/") )) {
- *newtail = ref;
- ref->next = NULL;
- newtail = &ref->next;
- continue;
- }
else {
- int cmp = -1;
- while (match_pos < nr_match) {
- cmp = strcmp(ref->name, match[match_pos]);
- if (cmp < 0) /* definitely do not have it */
- break;
- else if (cmp == 0) { /* definitely have it */
- match[match_pos][0] = '\0';
- return_refs[match_pos] = ref;
+ while (sought_pos < sought->nr) {
+ int cmp = strcmp(ref->name, sought->items[sought_pos].string);
+ if (cmp < 0)
+ break; /* definitely do not have it */
+ else if (cmp == 0) {
+ keep = 1; /* definitely have it */
+ sought->items[sought_pos++].util = "matched";
break;
}
- else /* might have it; keep looking */
- match_pos++;
+ else
+ sought_pos++; /* might have it; keep looking */
}
- if (!cmp)
- continue; /* we will link it later */
}
- free(ref);
- }
- if (!args.fetch_all) {
- int i;
- for (i = 0; i < nr_match; i++) {
- ref = return_refs[i];
- if (ref) {
- *newtail = ref;
- ref->next = NULL;
- newtail = &ref->next;
- }
+ if (! keep && args.fetch_all &&
+ (!args.depth || prefixcmp(ref->name, "refs/tags/")))
+ keep = 1;
+
+ if (keep) {
+ *newtail = ref;
+ ref->next = NULL;
+ newtail = &ref->next;
+ } else {
+ free(ref);
}
- if (return_refs != fastarray)
- free(return_refs);
}
+
+ filter_string_list(sought, 0, non_matching_ref, NULL);
*refs = newlist;
}
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);
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)
-{
- int src, dst;
-
- if (!nr_heads)
- return 0;
-
- for (src = dst = 1; src < nr_heads; src++)
- if (strcmp(heads[src], heads[dst-1]))
- heads[dst++] = heads[src];
- return dst;
-}
-
static int fetch_pack_config(const char *var, const char *value, void *cb)
{
if (strcmp(var, "fetch.unpacklimit") == 0) {
int i, ret;
struct ref *ref = NULL;
const char *dest = NULL;
- int alloc_heads = 0, nr_heads = 0;
- char **heads = NULL;
+ struct string_list sought = STRING_LIST_INIT_DUP;
int fd[2];
char *pack_lockfile = NULL;
char **pack_lockfile_ptr = NULL;
* Copy refs from cmdline to growable list, then append any
* refs from the standard input:
*/
- ALLOC_GROW(heads, argc - i, alloc_heads);
for (; i < argc; i++)
- heads[nr_heads++] = xstrdup(argv[i]);
+ string_list_append(&sought, xstrdup(argv[i]));
if (args.stdin_refs) {
if (args.stateless_rpc) {
/* in stateless RPC mode we use pkt-line to read
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);
}
}
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);
close(fd[0]);
close(fd[1]);
if (finish_connect(conn))
- 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;
- }
- }
+ return 1;
+
+ ret = !ref || 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 < sought.nr; i++)
+ error("no such remote ref %s", sought.items[i].string);
while (ref) {
printf("%s %s\n",
sha1_to_hex(ref->old_sha1), ref->name);
return ret;
}
-static int compare_heads(const void *a, const void *b)
-{
- return strcmp(*(const char **)a, *(const char **)b);
-}
-
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) {
- qsort(heads, nr_heads, sizeof(*heads), compare_heads);
- nr_heads = remove_duplicates(nr_heads, heads);
+ if (sought->nr) {
+ sort_string_list(sought);
+ string_list_remove_duplicates(sought, 0);
}
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;