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Merge branch 'jk/send-pack'

* jk/send-pack: (24 commits)
  send-pack: cluster ref status reporting
  send-pack: fix "everything up-to-date" message
  send-pack: tighten remote error reporting
  make "find_ref_by_name" a public function
  Fix warning about bitfield in struct ref
  send-pack: assign remote errors to each ref
  send-pack: check ref->status before updating tracking refs
  send-pack: track errors for each ref
  git-push: add documentation for the newly added --mirror mode
  Add tests for git push'es mirror mode
  Update the tracking references only if they were succesfully updated on remote
  Add a test checking if send-pack updated local tracking branches correctly
  git-push: plumb in --mirror mode
  Teach send-pack a mirror mode
  send-pack: segfault fix on forced push
  Reteach builtin-ls-remote to understand remotes
  send-pack: require --verbose to show update of tracking refs
  receive-pack: don't mention successful updates
  more terse push output
  Build in ls-remote
  ...
maint
Junio C Hamano 17 years ago
parent
commit
fd200790dc
  1. 8
      Documentation/git-push.txt
  2. 5
      Makefile
  3. 10
      builtin-fetch.c
  4. 74
      builtin-ls-remote.c
  5. 14
      builtin-push.c
  6. 652
      builtin-send-pack.c
  7. 2
      builtin.h
  8. 20
      cache.h
  9. 10
      connect.c
  10. 0
      contrib/examples/git-ls-remote.sh
  11. 3
      git.c
  12. 6
      http-push.c
  13. 73
      peek-remote.c
  14. 4
      receive-pack.c
  15. 8
      refs.c
  16. 53
      remote.c
  17. 17
      remote.h
  18. 461
      send-pack.c
  19. 18
      send-pack.h
  20. 53
      t/t5404-tracking-branches.sh
  21. 42
      t/t5405-send-pack-rewind.sh
  22. 24
      t/t5406-remote-rejects.sh
  23. 52
      t/t5512-ls-remote.sh
  24. 228
      t/t5517-push-mirror.sh
  25. 70
      transport.c
  26. 9
      transport.h

8
Documentation/git-push.txt

@ -63,6 +63,14 @@ the remote repository. @@ -63,6 +63,14 @@ the remote repository.
Instead of naming each ref to push, specifies that all
refs under `$GIT_DIR/refs/heads/` be pushed.

\--mirror::
Instead of naming each ref to push, specifies that all
refs under `$GIT_DIR/refs/heads/` and `$GIT_DIR/refs/tags/`
be mirrored to the remote repository. Newly created local
refs will be pushed to the remote end, locally updated refs
will be force updated on the remote end, and deleted refs
will be removed from the remote end.

\--dry-run::
Do everything except actually send the updates.


5
Makefile

@ -214,7 +214,6 @@ BASIC_LDFLAGS = @@ -214,7 +214,6 @@ BASIC_LDFLAGS =
SCRIPT_SH = \
git-bisect.sh git-checkout.sh \
git-clone.sh git-commit.sh \
git-ls-remote.sh \
git-merge-one-file.sh git-mergetool.sh git-parse-remote.sh \
git-pull.sh git-rebase.sh git-rebase--interactive.sh \
git-repack.sh git-request-pull.sh \
@ -243,7 +242,7 @@ PROGRAMS = \ @@ -243,7 +242,7 @@ PROGRAMS = \
git-fast-import$X \
git-daemon$X \
git-merge-index$X git-mktag$X git-mktree$X git-patch-id$X \
git-peek-remote$X git-receive-pack$X \
git-receive-pack$X \
git-send-pack$X git-shell$X \
git-show-index$X \
git-unpack-file$X \
@ -350,6 +349,7 @@ BUILTIN_OBJS = \ @@ -350,6 +349,7 @@ BUILTIN_OBJS = \
builtin-log.o \
builtin-ls-files.o \
builtin-ls-tree.o \
builtin-ls-remote.o \
builtin-mailinfo.o \
builtin-mailsplit.o \
builtin-merge-base.o \
@ -363,6 +363,7 @@ BUILTIN_OBJS = \ @@ -363,6 +363,7 @@ BUILTIN_OBJS = \
builtin-push.o \
builtin-read-tree.o \
builtin-reflog.o \
builtin-send-pack.o \
builtin-config.o \
builtin-rerere.o \
builtin-reset.o \

10
builtin-fetch.c

@ -31,7 +31,7 @@ static void unlock_pack_on_signal(int signo) @@ -31,7 +31,7 @@ static void unlock_pack_on_signal(int signo)
}

static void add_merge_config(struct ref **head,
struct ref *remote_refs,
const struct ref *remote_refs,
struct branch *branch,
struct ref ***tail)
{
@ -79,7 +79,7 @@ static struct ref *get_ref_map(struct transport *transport, @@ -79,7 +79,7 @@ static struct ref *get_ref_map(struct transport *transport,
struct ref *ref_map = NULL;
struct ref **tail = &ref_map;

struct ref *remote_refs = transport_get_remote_refs(transport);
const struct ref *remote_refs = transport_get_remote_refs(transport);

if (ref_count || tags) {
for (i = 0; i < ref_count; i++) {
@ -424,12 +424,12 @@ static struct ref *find_non_local_tags(struct transport *transport, @@ -424,12 +424,12 @@ static struct ref *find_non_local_tags(struct transport *transport,
struct path_list new_refs = { NULL, 0, 0, 1 };
char *ref_name;
int ref_name_len;
unsigned char *ref_sha1;
struct ref *tag_ref;
const unsigned char *ref_sha1;
const struct ref *tag_ref;
struct ref *rm = NULL;
struct ref *ref_map = NULL;
struct ref **tail = &ref_map;
struct ref *ref;
const struct ref *ref;

for_each_ref(add_existing, &existing_refs);
for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {

74
builtin-ls-remote.c

@ -0,0 +1,74 @@ @@ -0,0 +1,74 @@
#include "builtin.h"
#include "cache.h"
#include "transport.h"
#include "remote.h"

static const char ls_remote_usage[] =
"git-ls-remote [--upload-pack=<git-upload-pack>] [<host>:]<directory>";

int cmd_ls_remote(int argc, const char **argv, const char *prefix)
{
int i;
const char *dest = NULL;
int nongit = 0;
unsigned flags = 0;
const char *uploadpack = NULL;

struct remote *remote;
struct transport *transport;
const struct ref *ref;

setup_git_directory_gently(&nongit);

for (i = 1; i < argc; i++) {
const char *arg = argv[i];

if (*arg == '-') {
if (!prefixcmp(arg, "--upload-pack=")) {
uploadpack = arg + 14;
continue;
}
if (!prefixcmp(arg, "--exec=")) {
uploadpack = arg + 7;
continue;
}
if (!strcmp("--tags", arg)) {
flags |= REF_TAGS;
continue;
}
if (!strcmp("--heads", arg)) {
flags |= REF_HEADS;
continue;
}
if (!strcmp("--refs", arg)) {
flags |= REF_NORMAL;
continue;
}
usage(ls_remote_usage);
}
dest = arg;
break;
}

if (!dest || i != argc - 1)
usage(ls_remote_usage);

remote = nongit ? NULL : remote_get(dest);
if (remote && !remote->url_nr)
die("remote %s has no configured URL", dest);
transport = transport_get(remote, remote ? remote->url[0] : dest);
if (uploadpack != NULL)
transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);

ref = transport_get_remote_refs(transport);

if (!ref)
return 1;

while (ref) {
if (check_ref_type(ref, flags))
printf("%s %s\n", sha1_to_hex(ref->old_sha1), ref->name);
ref = ref->next;
}
return 0;
}

14
builtin-push.c

@ -10,7 +10,7 @@ @@ -10,7 +10,7 @@
#include "parse-options.h"

static const char * const push_usage[] = {
"git-push [--all] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]",
"git-push [--all | --mirror] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]",
NULL,
};

@ -91,6 +91,7 @@ int cmd_push(int argc, const char **argv, const char *prefix) @@ -91,6 +91,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
{
int flags = 0;
int all = 0;
int mirror = 0;
int dry_run = 0;
int force = 0;
int tags = 0;
@ -100,6 +101,7 @@ int cmd_push(int argc, const char **argv, const char *prefix) @@ -100,6 +101,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
OPT__VERBOSE(&verbose),
OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
OPT_BOOLEAN( 0 , "all", &all, "push all refs"),
OPT_BOOLEAN( 0 , "mirror", &mirror, "mirror all refs"),
OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
OPT_BOOLEAN( 0 , "dry-run", &dry_run, "dry run"),
OPT_BOOLEAN('f', "force", &force, "force updates"),
@ -121,13 +123,21 @@ int cmd_push(int argc, const char **argv, const char *prefix) @@ -121,13 +123,21 @@ int cmd_push(int argc, const char **argv, const char *prefix)
add_refspec("refs/tags/*");
if (all)
flags |= TRANSPORT_PUSH_ALL;
if (mirror)
flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);

if (argc > 0) {
repo = argv[0];
set_refspecs(argv + 1, argc - 1);
}
if ((flags & TRANSPORT_PUSH_ALL) && refspec)
if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) && refspec)
usage_with_options(push_usage, options);

if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
(TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
error("--all and --mirror are incompatible");
usage_with_options(push_usage, options);
}

return do_push(repo, flags);
}

652
builtin-send-pack.c

@ -0,0 +1,652 @@ @@ -0,0 +1,652 @@
#include "cache.h"
#include "commit.h"
#include "tag.h"
#include "refs.h"
#include "pkt-line.h"
#include "run-command.h"
#include "remote.h"
#include "send-pack.h"

static const char send_pack_usage[] =
"git-send-pack [--all | --mirror] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...]\n"
" --all and explicit <ref> specification are mutually exclusive.";

static struct send_pack_args args = {
/* .receivepack = */ "git-receive-pack",
};

/*
* Make a pack stream and spit it out into file descriptor fd
*/
static int pack_objects(int fd, struct ref *refs)
{
/*
* The child becomes pack-objects --revs; we feed
* the revision parameters to it via its stdin and
* let its stdout go back to the other end.
*/
const char *argv[] = {
"pack-objects",
"--all-progress",
"--revs",
"--stdout",
NULL,
NULL,
};
struct child_process po;

if (args.use_thin_pack)
argv[4] = "--thin";
memset(&po, 0, sizeof(po));
po.argv = argv;
po.in = -1;
po.out = fd;
po.git_cmd = 1;
if (start_command(&po))
die("git-pack-objects failed (%s)", strerror(errno));

/*
* We feed the pack-objects we just spawned with revision
* parameters by writing to the pipe.
*/
while (refs) {
char buf[42];

if (!is_null_sha1(refs->old_sha1) &&
has_sha1_file(refs->old_sha1)) {
memcpy(buf + 1, sha1_to_hex(refs->old_sha1), 40);
buf[0] = '^';
buf[41] = '\n';
if (!write_or_whine(po.in, buf, 42,
"send-pack: send refs"))
break;
}
if (!is_null_sha1(refs->new_sha1)) {
memcpy(buf, sha1_to_hex(refs->new_sha1), 40);
buf[40] = '\n';
if (!write_or_whine(po.in, buf, 41,
"send-pack: send refs"))
break;
}
refs = refs->next;
}

if (finish_command(&po))
return error("pack-objects died with strange error");
return 0;
}

static void unmark_and_free(struct commit_list *list, unsigned int mark)
{
while (list) {
struct commit_list *temp = list;
temp->item->object.flags &= ~mark;
list = temp->next;
free(temp);
}
}

static int ref_newer(const unsigned char *new_sha1,
const unsigned char *old_sha1)
{
struct object *o;
struct commit *old, *new;
struct commit_list *list, *used;
int found = 0;

/* Both new and old must be commit-ish and new is descendant of
* old. Otherwise we require --force.
*/
o = deref_tag(parse_object(old_sha1), NULL, 0);
if (!o || o->type != OBJ_COMMIT)
return 0;
old = (struct commit *) o;

o = deref_tag(parse_object(new_sha1), NULL, 0);
if (!o || o->type != OBJ_COMMIT)
return 0;
new = (struct commit *) o;

if (parse_commit(new) < 0)
return 0;

used = list = NULL;
commit_list_insert(new, &list);
while (list) {
new = pop_most_recent_commit(&list, 1);
commit_list_insert(new, &used);
if (new == old) {
found = 1;
break;
}
}
unmark_and_free(list, 1);
unmark_and_free(used, 1);
return found;
}

static struct ref *local_refs, **local_tail;
static struct ref *remote_refs, **remote_tail;

static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
struct ref *ref;
int len = strlen(refname) + 1;
ref = xcalloc(1, sizeof(*ref) + len);
hashcpy(ref->new_sha1, sha1);
memcpy(ref->name, refname, len);
*local_tail = ref;
local_tail = &ref->next;
return 0;
}

static void get_local_heads(void)
{
local_tail = &local_refs;
for_each_ref(one_local_ref, NULL);
}

static int receive_status(int in, struct ref *refs)
{
struct ref *hint;
char line[1000];
int ret = 0;
int len = packet_read_line(in, line, sizeof(line));
if (len < 10 || memcmp(line, "unpack ", 7))
return error("did not receive remote status");
if (memcmp(line, "unpack ok\n", 10)) {
char *p = line + strlen(line) - 1;
if (*p == '\n')
*p = '\0';
error("unpack failed: %s", line + 7);
ret = -1;
}
hint = NULL;
while (1) {
char *refname;
char *msg;
len = packet_read_line(in, line, sizeof(line));
if (!len)
break;
if (len < 3 ||
(memcmp(line, "ok ", 3) && memcmp(line, "ng ", 3))) {
fprintf(stderr, "protocol error: %s\n", line);
ret = -1;
break;
}

line[strlen(line)-1] = '\0';
refname = line + 3;
msg = strchr(refname, ' ');
if (msg)
*msg++ = '\0';

/* first try searching at our hint, falling back to all refs */
if (hint)
hint = find_ref_by_name(hint, refname);
if (!hint)
hint = find_ref_by_name(refs, refname);
if (!hint) {
warning("remote reported status on unknown ref: %s",
refname);
continue;
}
if (hint->status != REF_STATUS_EXPECTING_REPORT) {
warning("remote reported status on unexpected ref: %s",
refname);
continue;
}

if (line[0] == 'o' && line[1] == 'k')
hint->status = REF_STATUS_OK;
else {
hint->status = REF_STATUS_REMOTE_REJECT;
ret = -1;
}
if (msg)
hint->remote_status = xstrdup(msg);
/* start our next search from the next ref */
hint = hint->next;
}
return ret;
}

static void update_tracking_ref(struct remote *remote, struct ref *ref)
{
struct refspec rs;

if (ref->status != REF_STATUS_OK)
return;

rs.src = ref->name;
rs.dst = NULL;

if (!remote_find_tracking(remote, &rs)) {
if (args.verbose)
fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
if (ref->deletion) {
if (delete_ref(rs.dst, NULL))
error("Failed to delete");
} else
update_ref("update by push", rs.dst,
ref->new_sha1, NULL, 0, 0);
free(rs.dst);
}
}

static const char *prettify_ref(const struct ref *ref)
{
const char *name = ref->name;
return name + (
!prefixcmp(name, "refs/heads/") ? 11 :
!prefixcmp(name, "refs/tags/") ? 10 :
!prefixcmp(name, "refs/remotes/") ? 13 :
0);
}

#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)

static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg)
{
fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
if (from)
fprintf(stderr, "%s -> %s", prettify_ref(from), prettify_ref(to));
else
fputs(prettify_ref(to), stderr);
if (msg) {
fputs(" (", stderr);
fputs(msg, stderr);
fputc(')', stderr);
}
fputc('\n', stderr);
}

static const char *status_abbrev(unsigned char sha1[20])
{
const char *abbrev;
abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
return abbrev ? abbrev : sha1_to_hex(sha1);
}

static void print_ok_ref_status(struct ref *ref)
{
if (ref->deletion)
print_ref_status('-', "[deleted]", ref, NULL, NULL);
else if (is_null_sha1(ref->old_sha1))
print_ref_status('*',
(!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
"[new branch]"),
ref, ref->peer_ref, NULL);
else {
char quickref[84];
char type;
const char *msg;

strcpy(quickref, status_abbrev(ref->old_sha1));
if (ref->nonfastforward) {
strcat(quickref, "...");
type = '+';
msg = "forced update";
} else {
strcat(quickref, "..");
type = ' ';
msg = NULL;
}
strcat(quickref, status_abbrev(ref->new_sha1));

print_ref_status(type, quickref, ref, ref->peer_ref, msg);
}
}

static int print_one_push_status(struct ref *ref, const char *dest, int count)
{
if (!count)
fprintf(stderr, "To %s\n", dest);

switch(ref->status) {
case REF_STATUS_NONE:
print_ref_status('X', "[no match]", ref, NULL, NULL);
break;
case REF_STATUS_REJECT_NODELETE:
print_ref_status('!', "[rejected]", ref, NULL,
"remote does not support deleting refs");
break;
case REF_STATUS_UPTODATE:
print_ref_status('=', "[up to date]", ref,
ref->peer_ref, NULL);
break;
case REF_STATUS_REJECT_NONFASTFORWARD:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
"non-fast forward");
break;
case REF_STATUS_REMOTE_REJECT:
print_ref_status('!', "[remote rejected]", ref,
ref->deletion ? NULL : ref->peer_ref,
ref->remote_status);
break;
case REF_STATUS_EXPECTING_REPORT:
print_ref_status('!', "[remote failure]", ref,
ref->deletion ? NULL : ref->peer_ref,
"remote failed to report status");
break;
case REF_STATUS_OK:
print_ok_ref_status(ref);
break;
}

return 1;
}

static void print_push_status(const char *dest, struct ref *refs)
{
struct ref *ref;
int n = 0;

if (args.verbose) {
for (ref = refs; ref; ref = ref->next)
if (ref->status == REF_STATUS_UPTODATE)
n += print_one_push_status(ref, dest, n);
}

for (ref = refs; ref; ref = ref->next)
if (ref->status == REF_STATUS_OK)
n += print_one_push_status(ref, dest, n);

for (ref = refs; ref; ref = ref->next) {
if (ref->status != REF_STATUS_NONE &&
ref->status != REF_STATUS_UPTODATE &&
ref->status != REF_STATUS_OK)
n += print_one_push_status(ref, dest, n);
}
}

static int refs_pushed(struct ref *ref)
{
for (; ref; ref = ref->next) {
switch(ref->status) {
case REF_STATUS_NONE:
case REF_STATUS_UPTODATE:
break;
default:
return 1;
}
}
return 0;
}

static int do_send_pack(int in, int out, struct remote *remote, const char *dest, int nr_refspec, const char **refspec)
{
struct ref *ref;
int new_refs;
int ask_for_status_report = 0;
int allow_deleting_refs = 0;
int expect_status_report = 0;
int flags = MATCH_REFS_NONE;
int ret;

if (args.send_all)
flags |= MATCH_REFS_ALL;
if (args.send_mirror)
flags |= MATCH_REFS_MIRROR;

/* No funny business with the matcher */
remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL);
get_local_heads();

/* Does the other end support the reporting? */
if (server_supports("report-status"))
ask_for_status_report = 1;
if (server_supports("delete-refs"))
allow_deleting_refs = 1;

/* match them up */
if (!remote_tail)
remote_tail = &remote_refs;
if (match_refs(local_refs, remote_refs, &remote_tail,
nr_refspec, refspec, flags))
return -1;

if (!remote_refs) {
fprintf(stderr, "No refs in common and none specified; doing nothing.\n"
"Perhaps you should specify a branch such as 'master'.\n");
return 0;
}

/*
* Finally, tell the other end!
*/
new_refs = 0;
for (ref = remote_refs; ref; ref = ref->next) {
const unsigned char *new_sha1;

if (!ref->peer_ref) {
if (!args.send_mirror)
continue;
new_sha1 = null_sha1;
}
else
new_sha1 = ref->peer_ref->new_sha1;


ref->deletion = is_null_sha1(new_sha1);
if (ref->deletion && !allow_deleting_refs) {
ref->status = REF_STATUS_REJECT_NODELETE;
continue;
}
if (!ref->deletion &&
!hashcmp(ref->old_sha1, new_sha1)) {
ref->status = REF_STATUS_UPTODATE;
continue;
}

/* This part determines what can overwrite what.
* The rules are:
*
* (0) you can always use --force or +A:B notation to
* selectively force individual ref pairs.
*
* (1) if the old thing does not exist, it is OK.
*
* (2) if you do not have the old thing, you are not allowed
* to overwrite it; you would not know what you are losing
* otherwise.
*
* (3) if both new and old are commit-ish, and new is a
* descendant of old, it is OK.
*
* (4) regardless of all of the above, removing :B is
* always allowed.
*/

ref->nonfastforward =
!ref->deletion &&
!is_null_sha1(ref->old_sha1) &&
(!has_sha1_file(ref->old_sha1)
|| !ref_newer(new_sha1, ref->old_sha1));

if (ref->nonfastforward && !ref->force && !args.force_update) {
ref->status = REF_STATUS_REJECT_NONFASTFORWARD;
continue;
}

hashcpy(ref->new_sha1, new_sha1);
if (!ref->deletion)
new_refs++;

if (!args.dry_run) {
char *old_hex = sha1_to_hex(ref->old_sha1);
char *new_hex = sha1_to_hex(ref->new_sha1);

if (ask_for_status_report) {
packet_write(out, "%s %s %s%c%s",
old_hex, new_hex, ref->name, 0,
"report-status");
ask_for_status_report = 0;
expect_status_report = 1;
}
else
packet_write(out, "%s %s %s",
old_hex, new_hex, ref->name);
}
ref->status = expect_status_report ?
REF_STATUS_EXPECTING_REPORT :
REF_STATUS_OK;
}

packet_flush(out);
if (new_refs && !args.dry_run) {
if (pack_objects(out, remote_refs) < 0) {
close(out);
return -1;
}
}
close(out);

if (expect_status_report)
ret = receive_status(in, remote_refs);
else
ret = 0;

print_push_status(dest, remote_refs);

if (!args.dry_run && remote) {
for (ref = remote_refs; ref; ref = ref->next)
update_tracking_ref(remote, ref);
}

if (!refs_pushed(remote_refs))
fprintf(stderr, "Everything up-to-date\n");
if (ret < 0)
return ret;
for (ref = remote_refs; ref; ref = ref->next) {
switch (ref->status) {
case REF_STATUS_NONE:
case REF_STATUS_UPTODATE:
case REF_STATUS_OK:
break;
default:
return -1;
}
}
return 0;
}

static void verify_remote_names(int nr_heads, const char **heads)
{
int i;

for (i = 0; i < nr_heads; i++) {
const char *remote = strchr(heads[i], ':');

remote = remote ? (remote + 1) : heads[i];
switch (check_ref_format(remote)) {
case 0: /* ok */
case -2: /* ok but a single level -- that is fine for
* a match pattern.
*/
case -3: /* ok but ends with a pattern-match character */
continue;
}
die("remote part of refspec is not a valid name in %s",
heads[i]);
}
}

int cmd_send_pack(int argc, const char **argv, const char *prefix)
{
int i, nr_heads = 0;
const char **heads = NULL;
const char *remote_name = NULL;
struct remote *remote = NULL;
const char *dest = NULL;

argv++;
for (i = 1; i < argc; i++, argv++) {
const char *arg = *argv;

if (*arg == '-') {
if (!prefixcmp(arg, "--receive-pack=")) {
args.receivepack = arg + 15;
continue;
}
if (!prefixcmp(arg, "--exec=")) {
args.receivepack = arg + 7;
continue;
}
if (!prefixcmp(arg, "--remote=")) {
remote_name = arg + 9;
continue;
}
if (!strcmp(arg, "--all")) {
args.send_all = 1;
continue;
}
if (!strcmp(arg, "--dry-run")) {
args.dry_run = 1;
continue;
}
if (!strcmp(arg, "--mirror")) {
args.send_mirror = 1;
continue;
}
if (!strcmp(arg, "--force")) {
args.force_update = 1;
continue;
}
if (!strcmp(arg, "--verbose")) {
args.verbose = 1;
continue;
}
if (!strcmp(arg, "--thin")) {
args.use_thin_pack = 1;
continue;
}
usage(send_pack_usage);
}
if (!dest) {
dest = arg;
continue;
}
heads = (const char **) argv;
nr_heads = argc - i;
break;
}
if (!dest)
usage(send_pack_usage);
/*
* --all and --mirror are incompatible; neither makes sense
* with any refspecs.
*/
if ((heads && (args.send_all || args.send_mirror)) ||
(args.send_all && args.send_mirror))
usage(send_pack_usage);

if (remote_name) {
remote = remote_get(remote_name);
if (!remote_has_url(remote, dest)) {
die("Destination %s is not a uri for %s",
dest, remote_name);
}
}

return send_pack(&args, dest, remote, nr_heads, heads);
}

int send_pack(struct send_pack_args *my_args,
const char *dest, struct remote *remote,
int nr_heads, const char **heads)
{
int fd[2], ret;
struct child_process *conn;

memcpy(&args, my_args, sizeof(args));

verify_remote_names(nr_heads, heads);

conn = git_connect(fd, dest, args.receivepack, args.verbose ? CONNECT_VERBOSE : 0);
ret = do_send_pack(fd[0], fd[1], remote, dest, nr_heads, heads);
close(fd[0]);
close(fd[1]);
ret |= finish_connect(conn);
return !!ret;
}

2
builtin.h

@ -49,6 +49,7 @@ extern int cmd_log(int argc, const char **argv, const char *prefix); @@ -49,6 +49,7 @@ extern int cmd_log(int argc, const char **argv, const char *prefix);
extern int cmd_log_reflog(int argc, const char **argv, const char *prefix);
extern int cmd_ls_files(int argc, const char **argv, const char *prefix);
extern int cmd_ls_tree(int argc, const char **argv, const char *prefix);
extern int cmd_ls_remote(int argc, const char **argv, const char *prefix);
extern int cmd_mailinfo(int argc, const char **argv, const char *prefix);
extern int cmd_mailsplit(int argc, const char **argv, const char *prefix);
extern int cmd_merge_base(int argc, const char **argv, const char *prefix);
@ -71,6 +72,7 @@ extern int cmd_rev_parse(int argc, const char **argv, const char *prefix); @@ -71,6 +72,7 @@ extern int cmd_rev_parse(int argc, const char **argv, const char *prefix);
extern int cmd_revert(int argc, const char **argv, const char *prefix);
extern int cmd_rm(int argc, const char **argv, const char *prefix);
extern int cmd_runstatus(int argc, const char **argv, const char *prefix);
extern int cmd_send_pack(int argc, const char **argv, const char *prefix);
extern int cmd_shortlog(int argc, const char **argv, const char *prefix);
extern int cmd_show(int argc, const char **argv, const char *prefix);
extern int cmd_show_branch(int argc, const char **argv, const char *prefix);

20
cache.h

@ -500,8 +500,20 @@ struct ref { @@ -500,8 +500,20 @@ struct ref {
struct ref *next;
unsigned char old_sha1[20];
unsigned char new_sha1[20];
unsigned char force;
unsigned char merge;
unsigned int force:1,
merge:1,
nonfastforward:1,
deletion:1;
enum {
REF_STATUS_NONE = 0,
REF_STATUS_OK,
REF_STATUS_REJECT_NONFASTFORWARD,
REF_STATUS_REJECT_NODELETE,
REF_STATUS_UPTODATE,
REF_STATUS_REMOTE_REJECT,
REF_STATUS_EXPECTING_REPORT,
} status;
char *remote_status;
struct ref *peer_ref; /* when renaming */
char name[FLEX_ARRAY]; /* more */
};
@ -510,8 +522,10 @@ struct ref { @@ -510,8 +522,10 @@ struct ref {
#define REF_HEADS (1u << 1)
#define REF_TAGS (1u << 2)

extern struct ref *find_ref_by_name(struct ref *list, const char *name);

#define CONNECT_VERBOSE (1u << 0)
extern struct child_process *git_connect(int fd[2], char *url, const char *prog, int flags);
extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags);
extern int finish_connect(struct child_process *conn);
extern int path_match(const char *path, int nr, char **match);
extern int get_ack(int fd, unsigned char *result_sha1);

10
connect.c

@ -36,6 +36,11 @@ static int check_ref(const char *name, int len, unsigned int flags) @@ -36,6 +36,11 @@ static int check_ref(const char *name, int len, unsigned int flags)
return !(flags & ~REF_NORMAL);
}

int check_ref_type(const struct ref *ref, int flags)
{
return check_ref(ref->name, strlen(ref->name), flags);
}

/*
* Read all the refs from the other end
*/
@ -476,9 +481,10 @@ char *get_port(char *host) @@ -476,9 +481,10 @@ char *get_port(char *host)
*
* If it returns, the connect is successful; it just dies on errors.
*/
struct child_process *git_connect(int fd[2], char *url,
struct child_process *git_connect(int fd[2], const char *url_orig,
const char *prog, int flags)
{
char *url = xstrdup(url_orig);
char *host, *path = url;
char *end;
int c;
@ -568,6 +574,7 @@ struct child_process *git_connect(int fd[2], char *url, @@ -568,6 +574,7 @@ struct child_process *git_connect(int fd[2], char *url,
prog, path, 0,
target_host, 0);
free(target_host);
free(url);
if (free_path)
free(path);
return NULL;
@ -619,6 +626,7 @@ struct child_process *git_connect(int fd[2], char *url, @@ -619,6 +626,7 @@ struct child_process *git_connect(int fd[2], char *url,
fd[0] = conn->out; /* read from child's stdout */
fd[1] = conn->in; /* write to child's stdin */
strbuf_release(&cmd);
free(url);
if (free_path)
free(path);
return conn;

0
git-ls-remote.sh → contrib/examples/git-ls-remote.sh

3
git.c

@ -322,6 +322,7 @@ static void handle_internal_command(int argc, const char **argv) @@ -322,6 +322,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "log", cmd_log, RUN_SETUP | USE_PAGER },
{ "ls-files", cmd_ls_files, RUN_SETUP },
{ "ls-tree", cmd_ls_tree, RUN_SETUP },
{ "ls-remote", cmd_ls_remote },
{ "mailinfo", cmd_mailinfo },
{ "mailsplit", cmd_mailsplit },
{ "merge-base", cmd_merge_base, RUN_SETUP },
@ -330,6 +331,7 @@ static void handle_internal_command(int argc, const char **argv) @@ -330,6 +331,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
{ "name-rev", cmd_name_rev, RUN_SETUP },
{ "pack-objects", cmd_pack_objects, RUN_SETUP },
{ "peek-remote", cmd_ls_remote },
{ "pickaxe", cmd_blame, RUN_SETUP },
{ "prune", cmd_prune, RUN_SETUP },
{ "prune-packed", cmd_prune_packed, RUN_SETUP },
@ -344,6 +346,7 @@ static void handle_internal_command(int argc, const char **argv) @@ -344,6 +346,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE },
{ "rm", cmd_rm, RUN_SETUP },
{ "runstatus", cmd_runstatus, RUN_SETUP | NEED_WORK_TREE },
{ "send-pack", cmd_send_pack, RUN_SETUP },
{ "shortlog", cmd_shortlog, RUN_SETUP | USE_PAGER },
{ "show-branch", cmd_show_branch, RUN_SETUP },
{ "show", cmd_show, RUN_SETUP | USE_PAGER },

6
http-push.c

@ -78,7 +78,7 @@ static struct curl_slist *no_pragma_header; @@ -78,7 +78,7 @@ static struct curl_slist *no_pragma_header;
static struct curl_slist *default_headers;

static int push_verbosely;
static int push_all;
static int push_all = MATCH_REFS_NONE;
static int force_all;
static int dry_run;

@ -2300,7 +2300,7 @@ int main(int argc, char **argv) @@ -2300,7 +2300,7 @@ int main(int argc, char **argv)

if (*arg == '-') {
if (!strcmp(arg, "--all")) {
push_all = 1;
push_all = MATCH_REFS_ALL;
continue;
}
if (!strcmp(arg, "--force")) {
@ -2393,7 +2393,7 @@ int main(int argc, char **argv) @@ -2393,7 +2393,7 @@ int main(int argc, char **argv)
if (!remote_tail)
remote_tail = &remote_refs;
if (match_refs(local_refs, remote_refs, &remote_tail,
nr_refspec, refspec, push_all))
nr_refspec, (const char **) refspec, push_all))
return -1;
if (!remote_refs) {
fprintf(stderr, "No refs in common and none specified; doing nothing.\n");

73
peek-remote.c

@ -1,73 +0,0 @@ @@ -1,73 +0,0 @@
#include "cache.h"
#include "refs.h"
#include "pkt-line.h"

static const char peek_remote_usage[] =
"git-peek-remote [--upload-pack=<git-upload-pack>] [<host>:]<directory>";
static const char *uploadpack = "git-upload-pack";

static int peek_remote(int fd[2], unsigned flags)
{
struct ref *ref;

get_remote_heads(fd[0], &ref, 0, NULL, flags);
packet_flush(fd[1]);

while (ref) {
printf("%s %s\n", sha1_to_hex(ref->old_sha1), ref->name);
ref = ref->next;
}
return 0;
}

int main(int argc, char **argv)
{
int i, ret;
char *dest = NULL;
int fd[2];
struct child_process *conn;
int nongit = 0;
unsigned flags = 0;

setup_git_directory_gently(&nongit);

for (i = 1; i < argc; i++) {
char *arg = argv[i];

if (*arg == '-') {
if (!prefixcmp(arg, "--upload-pack=")) {
uploadpack = arg + 14;
continue;
}
if (!prefixcmp(arg, "--exec=")) {
uploadpack = arg + 7;
continue;
}
if (!strcmp("--tags", arg)) {
flags |= REF_TAGS;
continue;
}
if (!strcmp("--heads", arg)) {
flags |= REF_HEADS;
continue;
}
if (!strcmp("--refs", arg)) {
flags |= REF_NORMAL;
continue;
}
usage(peek_remote_usage);
}
dest = arg;
break;
}

if (!dest || i != argc - 1)
usage(peek_remote_usage);

conn = git_connect(fd, dest, uploadpack, 0);
ret = peek_remote(fd, flags);
close(fd[0]);
close(fd[1]);
ret |= finish_connect(conn);
return !!ret;
}

4
receive-pack.c

@ -204,8 +204,6 @@ static const char *update(struct command *cmd) @@ -204,8 +204,6 @@ static const char *update(struct command *cmd)
error("failed to delete %s", name);
return "failed to delete";
}
fprintf(stderr, "%s: %s -> deleted\n", name,
sha1_to_hex(old_sha1));
return NULL; /* good */
}
else {
@ -217,8 +215,6 @@ static const char *update(struct command *cmd) @@ -217,8 +215,6 @@ static const char *update(struct command *cmd)
if (write_ref_sha1(lock, new_sha1, "push")) {
return "failed to write"; /* error() already called */
}
fprintf(stderr, "%s: %s -> %s\n", name,
sha1_to_hex(old_sha1), sha1_to_hex(new_sha1));
return NULL; /* good */
}
}

8
refs.c

@ -1433,3 +1433,11 @@ int update_ref(const char *action, const char *refname, @@ -1433,3 +1433,11 @@ int update_ref(const char *action, const char *refname,
}
return 0;
}

struct ref *find_ref_by_name(struct ref *list, const char *name)
{
for ( ; list; list = list->next)
if (!strcmp(list->name, name))
return list;
return NULL;
}

53
remote.c

@ -485,7 +485,7 @@ struct ref *alloc_ref(unsigned namelen) @@ -485,7 +485,7 @@ struct ref *alloc_ref(unsigned namelen)
return ret;
}

static struct ref *copy_ref(struct ref *ref)
static struct ref *copy_ref(const struct ref *ref)
{
struct ref *ret = xmalloc(sizeof(struct ref) + strlen(ref->name) + 1);
memcpy(ret, ref, sizeof(struct ref) + strlen(ref->name) + 1);
@ -493,6 +493,18 @@ static struct ref *copy_ref(struct ref *ref) @@ -493,6 +493,18 @@ static struct ref *copy_ref(struct ref *ref)
return ret;
}

struct ref *copy_ref_list(const struct ref *ref)
{
struct ref *ret = NULL;
struct ref **tail = &ret;
while (ref) {
*tail = copy_ref(ref);
ref = ref->next;
tail = &((*tail)->next);
}
return ret;
}

void free_refs(struct ref *ref)
{
struct ref *next;
@ -684,14 +696,6 @@ static int match_explicit_refs(struct ref *src, struct ref *dst, @@ -684,14 +696,6 @@ static int match_explicit_refs(struct ref *src, struct ref *dst,
return -errs;
}

static struct ref *find_ref_by_name(struct ref *list, const char *name)
{
for ( ; list; list = list->next)
if (!strcmp(list->name, name))
return list;
return NULL;
}

static const struct refspec *check_pattern_match(const struct refspec *rs,
int rs_nr,
const struct ref *src)
@ -710,10 +714,12 @@ static const struct refspec *check_pattern_match(const struct refspec *rs, @@ -710,10 +714,12 @@ static const struct refspec *check_pattern_match(const struct refspec *rs,
* without thinking.
*/
int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
int nr_refspec, char **refspec, int all)
int nr_refspec, const char **refspec, int flags)
{
struct refspec *rs =
parse_ref_spec(nr_refspec, (const char **) refspec);
int send_all = flags & MATCH_REFS_ALL;
int send_mirror = flags & MATCH_REFS_MIRROR;

if (match_explicit_refs(src, dst, dst_tail, rs, nr_refspec))
return -1;
@ -730,7 +736,7 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail, @@ -730,7 +736,7 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
if (!pat)
continue;
}
else if (prefixcmp(src->name, "refs/heads/"))
else if (!send_mirror && prefixcmp(src->name, "refs/heads/"))
/*
* "matching refs"; traditionally we pushed everything
* including refs outside refs/heads/ hierarchy, but
@ -751,10 +757,13 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail, @@ -751,10 +757,13 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
if (dst_peer && dst_peer->peer_ref)
/* We're already sending something to this ref. */
goto free_name;
if (!dst_peer && !nr_refspec && !all)
/* Remote doesn't have it, and we have no

if (!dst_peer && !nr_refspec && !(send_all || send_mirror))
/*
* Remote doesn't have it, and we have no
* explicit pattern, and we don't have
* --all. */
* --all nor --mirror.
*/
goto free_name;
if (!dst_peer) {
/* Create a new one and link it */
@ -810,10 +819,10 @@ int branch_merge_matches(struct branch *branch, @@ -810,10 +819,10 @@ int branch_merge_matches(struct branch *branch,
return ref_matches_abbrev(branch->merge[i]->src, refname);
}

static struct ref *get_expanded_map(struct ref *remote_refs,
static struct ref *get_expanded_map(const struct ref *remote_refs,
const struct refspec *refspec)
{
struct ref *ref;
const struct ref *ref;
struct ref *ret = NULL;
struct ref **tail = &ret;

@ -824,7 +833,7 @@ static struct ref *get_expanded_map(struct ref *remote_refs, @@ -824,7 +833,7 @@ static struct ref *get_expanded_map(struct ref *remote_refs,
if (strchr(ref->name, '^'))
continue; /* a dereference item */
if (!prefixcmp(ref->name, refspec->src)) {
char *match;
const char *match;
struct ref *cpy = copy_ref(ref);
match = ref->name + remote_prefix_len;

@ -842,9 +851,9 @@ static struct ref *get_expanded_map(struct ref *remote_refs, @@ -842,9 +851,9 @@ static struct ref *get_expanded_map(struct ref *remote_refs,
return ret;
}

static struct ref *find_ref_by_name_abbrev(struct ref *refs, const char *name)
static const struct ref *find_ref_by_name_abbrev(const struct ref *refs, const char *name)
{
struct ref *ref;
const struct ref *ref;
for (ref = refs; ref; ref = ref->next) {
if (ref_matches_abbrev(name, ref->name))
return ref;
@ -852,9 +861,9 @@ static struct ref *find_ref_by_name_abbrev(struct ref *refs, const char *name) @@ -852,9 +861,9 @@ static struct ref *find_ref_by_name_abbrev(struct ref *refs, const char *name)
return NULL;
}

struct ref *get_remote_ref(struct ref *remote_refs, const char *name)
struct ref *get_remote_ref(const struct ref *remote_refs, const char *name)
{
struct ref *ref = find_ref_by_name_abbrev(remote_refs, name);
const struct ref *ref = find_ref_by_name_abbrev(remote_refs, name);

if (!ref)
return NULL;
@ -887,7 +896,7 @@ static struct ref *get_local_ref(const char *name) @@ -887,7 +896,7 @@ static struct ref *get_local_ref(const char *name)
return ret;
}

int get_fetch_map(struct ref *remote_refs,
int get_fetch_map(const struct ref *remote_refs,
const struct refspec *refspec,
struct ref ***tail,
int missing_ok)

17
remote.h

@ -44,6 +44,10 @@ struct refspec { @@ -44,6 +44,10 @@ struct refspec {

struct ref *alloc_ref(unsigned namelen);

struct ref *copy_ref_list(const struct ref *ref);

int check_ref_type(const struct ref *ref, int flags);

/*
* Frees the entire list and peers of elements.
*/
@ -57,7 +61,7 @@ void ref_remove_duplicates(struct ref *ref_map); @@ -57,7 +61,7 @@ void ref_remove_duplicates(struct ref *ref_map);
struct refspec *parse_ref_spec(int nr_refspec, const char **refspec);

int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
int nr_refspec, char **refspec, int all);
int nr_refspec, const char **refspec, int all);

/*
* Given a list of the remote refs and the specification of things to
@ -71,10 +75,10 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail, @@ -71,10 +75,10 @@ int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
* missing_ok is usually false, but when we are adding branch.$name.merge
* it is Ok if the branch is not at the remote anymore.
*/
int get_fetch_map(struct ref *remote_refs, const struct refspec *refspec,
int get_fetch_map(const struct ref *remote_refs, const struct refspec *refspec,
struct ref ***tail, int missing_ok);

struct ref *get_remote_ref(struct ref *remote_refs, const char *name);
struct ref *get_remote_ref(const struct ref *remote_refs, const char *name);

/*
* For the given remote, reads the refspec's src and sets the other fields.
@ -98,4 +102,11 @@ struct branch *branch_get(const char *name); @@ -98,4 +102,11 @@ struct branch *branch_get(const char *name);
int branch_has_merge_config(struct branch *branch);
int branch_merge_matches(struct branch *, int n, const char *);

/* Flags to match_refs. */
enum match_refs_flags {
MATCH_REFS_NONE = 0,
MATCH_REFS_ALL = (1 << 0),
MATCH_REFS_MIRROR = (1 << 1),
};

#endif

461
send-pack.c

@ -1,461 +0,0 @@ @@ -1,461 +0,0 @@
#include "cache.h"
#include "commit.h"
#include "tag.h"
#include "refs.h"
#include "pkt-line.h"
#include "run-command.h"
#include "remote.h"

static const char send_pack_usage[] =
"git-send-pack [--all] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...]\n"
" --all and explicit <ref> specification are mutually exclusive.";
static const char *receivepack = "git-receive-pack";
static int verbose;
static int send_all;
static int force_update;
static int use_thin_pack;
static int dry_run;

/*
* Make a pack stream and spit it out into file descriptor fd
*/
static int pack_objects(int fd, struct ref *refs)
{
/*
* The child becomes pack-objects --revs; we feed
* the revision parameters to it via its stdin and
* let its stdout go back to the other end.
*/
const char *args[] = {
"pack-objects",
"--all-progress",
"--revs",
"--stdout",
NULL,
NULL,
};
struct child_process po;

if (use_thin_pack)
args[4] = "--thin";
memset(&po, 0, sizeof(po));
po.argv = args;
po.in = -1;
po.out = fd;
po.git_cmd = 1;
if (start_command(&po))
die("git-pack-objects failed (%s)", strerror(errno));

/*
* We feed the pack-objects we just spawned with revision
* parameters by writing to the pipe.
*/
while (refs) {
char buf[42];

if (!is_null_sha1(refs->old_sha1) &&
has_sha1_file(refs->old_sha1)) {
memcpy(buf + 1, sha1_to_hex(refs->old_sha1), 40);
buf[0] = '^';
buf[41] = '\n';
if (!write_or_whine(po.in, buf, 42,
"send-pack: send refs"))
break;
}
if (!is_null_sha1(refs->new_sha1)) {
memcpy(buf, sha1_to_hex(refs->new_sha1), 40);
buf[40] = '\n';
if (!write_or_whine(po.in, buf, 41,
"send-pack: send refs"))
break;
}
refs = refs->next;
}

if (finish_command(&po))
return error("pack-objects died with strange error");
return 0;
}

static void unmark_and_free(struct commit_list *list, unsigned int mark)
{
while (list) {
struct commit_list *temp = list;
temp->item->object.flags &= ~mark;
list = temp->next;
free(temp);
}
}

static int ref_newer(const unsigned char *new_sha1,
const unsigned char *old_sha1)
{
struct object *o;
struct commit *old, *new;
struct commit_list *list, *used;
int found = 0;

/* Both new and old must be commit-ish and new is descendant of
* old. Otherwise we require --force.
*/
o = deref_tag(parse_object(old_sha1), NULL, 0);
if (!o || o->type != OBJ_COMMIT)
return 0;
old = (struct commit *) o;

o = deref_tag(parse_object(new_sha1), NULL, 0);
if (!o || o->type != OBJ_COMMIT)
return 0;
new = (struct commit *) o;

if (parse_commit(new) < 0)
return 0;

used = list = NULL;
commit_list_insert(new, &list);
while (list) {
new = pop_most_recent_commit(&list, 1);
commit_list_insert(new, &used);
if (new == old) {
found = 1;
break;
}
}
unmark_and_free(list, 1);
unmark_and_free(used, 1);
return found;
}

static struct ref *local_refs, **local_tail;
static struct ref *remote_refs, **remote_tail;

static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
struct ref *ref;
int len = strlen(refname) + 1;
ref = xcalloc(1, sizeof(*ref) + len);
hashcpy(ref->new_sha1, sha1);
memcpy(ref->name, refname, len);
*local_tail = ref;
local_tail = &ref->next;
return 0;
}

static void get_local_heads(void)
{
local_tail = &local_refs;
for_each_ref(one_local_ref, NULL);
}

static int receive_status(int in)
{
char line[1000];
int ret = 0;
int len = packet_read_line(in, line, sizeof(line));
if (len < 10 || memcmp(line, "unpack ", 7)) {
fprintf(stderr, "did not receive status back\n");
return -1;
}
if (memcmp(line, "unpack ok\n", 10)) {
fputs(line, stderr);
ret = -1;
}
while (1) {
len = packet_read_line(in, line, sizeof(line));
if (!len)
break;
if (len < 3 ||
(memcmp(line, "ok", 2) && memcmp(line, "ng", 2))) {
fprintf(stderr, "protocol error: %s\n", line);
ret = -1;
break;
}
if (!memcmp(line, "ok", 2))
continue;
fputs(line, stderr);
ret = -1;
}
return ret;
}

static void update_tracking_ref(struct remote *remote, struct ref *ref)
{
struct refspec rs;
int will_delete_ref;

rs.src = ref->name;
rs.dst = NULL;

if (!ref->peer_ref)
return;

will_delete_ref = is_null_sha1(ref->peer_ref->new_sha1);

if (!will_delete_ref &&
!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1))
return;

if (!remote_find_tracking(remote, &rs)) {
fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
if (is_null_sha1(ref->peer_ref->new_sha1)) {
if (delete_ref(rs.dst, NULL))
error("Failed to delete");
} else
update_ref("update by push", rs.dst,
ref->new_sha1, NULL, 0, 0);
free(rs.dst);
}
}

static int send_pack(int in, int out, struct remote *remote, int nr_refspec, char **refspec)
{
struct ref *ref;
int new_refs;
int ret = 0;
int ask_for_status_report = 0;
int allow_deleting_refs = 0;
int expect_status_report = 0;

/* No funny business with the matcher */
remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL);
get_local_heads();

/* Does the other end support the reporting? */
if (server_supports("report-status"))
ask_for_status_report = 1;
if (server_supports("delete-refs"))
allow_deleting_refs = 1;

/* match them up */
if (!remote_tail)
remote_tail = &remote_refs;
if (match_refs(local_refs, remote_refs, &remote_tail,
nr_refspec, refspec, send_all))
return -1;

if (!remote_refs) {
fprintf(stderr, "No refs in common and none specified; doing nothing.\n"
"Perhaps you should specify a branch such as 'master'.\n");
return 0;
}

/*
* Finally, tell the other end!
*/
new_refs = 0;
for (ref = remote_refs; ref; ref = ref->next) {
char old_hex[60], *new_hex;
int will_delete_ref;

if (!ref->peer_ref)
continue;


will_delete_ref = is_null_sha1(ref->peer_ref->new_sha1);
if (will_delete_ref && !allow_deleting_refs) {
error("remote does not support deleting refs");
ret = -2;
continue;
}
if (!will_delete_ref &&
!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
if (verbose)
fprintf(stderr, "'%s': up-to-date\n", ref->name);
continue;
}

/* This part determines what can overwrite what.
* The rules are:
*
* (0) you can always use --force or +A:B notation to
* selectively force individual ref pairs.
*
* (1) if the old thing does not exist, it is OK.
*
* (2) if you do not have the old thing, you are not allowed
* to overwrite it; you would not know what you are losing
* otherwise.
*
* (3) if both new and old are commit-ish, and new is a
* descendant of old, it is OK.
*
* (4) regardless of all of the above, removing :B is
* always allowed.
*/

if (!force_update &&
!will_delete_ref &&
!is_null_sha1(ref->old_sha1) &&
!ref->force) {
if (!has_sha1_file(ref->old_sha1) ||
!ref_newer(ref->peer_ref->new_sha1,
ref->old_sha1)) {
/* We do not have the remote ref, or
* we know that the remote ref is not
* an ancestor of what we are trying to
* push. Either way this can be losing
* commits at the remote end and likely
* we were not up to date to begin with.
*/
error("remote '%s' is not an ancestor of\n"
" local '%s'.\n"
" Maybe you are not up-to-date and "
"need to pull first?",
ref->name,
ref->peer_ref->name);
ret = -2;
continue;
}
}
hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
if (!will_delete_ref)
new_refs++;
strcpy(old_hex, sha1_to_hex(ref->old_sha1));
new_hex = sha1_to_hex(ref->new_sha1);

if (!dry_run) {
if (ask_for_status_report) {
packet_write(out, "%s %s %s%c%s",
old_hex, new_hex, ref->name, 0,
"report-status");
ask_for_status_report = 0;
expect_status_report = 1;
}
else
packet_write(out, "%s %s %s",
old_hex, new_hex, ref->name);
}
if (will_delete_ref)
fprintf(stderr, "deleting '%s'\n", ref->name);
else {
fprintf(stderr, "updating '%s'", ref->name);
if (strcmp(ref->name, ref->peer_ref->name))
fprintf(stderr, " using '%s'",
ref->peer_ref->name);
fprintf(stderr, "\n from %s\n to %s\n",
old_hex, new_hex);
}
}

packet_flush(out);
if (new_refs && !dry_run)
ret = pack_objects(out, remote_refs);
close(out);

if (expect_status_report) {
if (receive_status(in))
ret = -4;
}

if (!dry_run && remote && ret == 0) {
for (ref = remote_refs; ref; ref = ref->next)
update_tracking_ref(remote, ref);
}

if (!new_refs && ret == 0)
fprintf(stderr, "Everything up-to-date\n");
return ret;
}

static void verify_remote_names(int nr_heads, char **heads)
{
int i;

for (i = 0; i < nr_heads; i++) {
const char *remote = strchr(heads[i], ':');

remote = remote ? (remote + 1) : heads[i];
switch (check_ref_format(remote)) {
case 0: /* ok */
case -2: /* ok but a single level -- that is fine for
* a match pattern.
*/
case -3: /* ok but ends with a pattern-match character */
continue;
}
die("remote part of refspec is not a valid name in %s",
heads[i]);
}
}

int main(int argc, char **argv)
{
int i, nr_heads = 0;
char *dest = NULL;
char **heads = NULL;
int fd[2], ret;
struct child_process *conn;
char *remote_name = NULL;
struct remote *remote = NULL;

setup_git_directory();
git_config(git_default_config);

argv++;
for (i = 1; i < argc; i++, argv++) {
char *arg = *argv;

if (*arg == '-') {
if (!prefixcmp(arg, "--receive-pack=")) {
receivepack = arg + 15;
continue;
}
if (!prefixcmp(arg, "--exec=")) {
receivepack = arg + 7;
continue;
}
if (!prefixcmp(arg, "--remote=")) {
remote_name = arg + 9;
continue;
}
if (!strcmp(arg, "--all")) {
send_all = 1;
continue;
}
if (!strcmp(arg, "--dry-run")) {
dry_run = 1;
continue;
}
if (!strcmp(arg, "--force")) {
force_update = 1;
continue;
}
if (!strcmp(arg, "--verbose")) {
verbose = 1;
continue;
}
if (!strcmp(arg, "--thin")) {
use_thin_pack = 1;
continue;
}
usage(send_pack_usage);
}
if (!dest) {
dest = arg;
continue;
}
heads = argv;
nr_heads = argc - i;
break;
}
if (!dest)
usage(send_pack_usage);
if (heads && send_all)
usage(send_pack_usage);
verify_remote_names(nr_heads, heads);

if (remote_name) {
remote = remote_get(remote_name);
if (!remote_has_url(remote, dest)) {
die("Destination %s is not a uri for %s",
dest, remote_name);
}
}

conn = git_connect(fd, dest, receivepack, verbose ? CONNECT_VERBOSE : 0);
ret = send_pack(fd[0], fd[1], remote, nr_heads, heads);
close(fd[0]);
close(fd[1]);
ret |= finish_connect(conn);
return !!ret;
}

18
send-pack.h

@ -0,0 +1,18 @@ @@ -0,0 +1,18 @@
#ifndef SEND_PACK_H
#define SEND_PACK_H

struct send_pack_args {
const char *receivepack;
unsigned verbose:1,
send_all:1,
send_mirror:1,
force_update:1,
use_thin_pack:1,
dry_run:1;
};

int send_pack(struct send_pack_args *args,
const char *dest, struct remote *remote,
int nr_heads, const char **heads);

#endif

53
t/t5404-tracking-branches.sh

@ -0,0 +1,53 @@ @@ -0,0 +1,53 @@
#!/bin/sh

test_description='tracking branch update checks for git push'

. ./test-lib.sh

test_expect_success 'setup' '
echo 1 >file &&
git add file &&
git commit -m 1 &&
git branch b1 &&
git branch b2 &&
git clone . aa &&
git checkout b1 &&
echo b1 >>file &&
git commit -a -m b1 &&
git checkout b2 &&
echo b2 >>file &&
git commit -a -m b2
'

test_expect_success 'prepare pushable branches' '
cd aa &&
b1=$(git rev-parse origin/b1) &&
b2=$(git rev-parse origin/b2) &&
git checkout -b b1 origin/b1 &&
echo aa-b1 >>file &&
git commit -a -m aa-b1 &&
git checkout -b b2 origin/b2 &&
echo aa-b2 >>file &&
git commit -a -m aa-b2 &&
git checkout master &&
echo aa-master >>file &&
git commit -a -m aa-master
'

test_expect_success 'mixed-success push returns error' '! git push'

test_expect_success 'check tracking branches updated correctly after push' '
test "$(git rev-parse origin/master)" = "$(git rev-parse master)"
'

test_expect_success 'check tracking branches not updated for failed refs' '
test "$(git rev-parse origin/b1)" = "$b1" &&
test "$(git rev-parse origin/b2)" = "$b2"
'

test_expect_success 'deleted branches have their tracking branches removed' '
git push origin :b1 &&
test "$(git rev-parse origin/b1)" = "origin/b1"
'

test_done

42
t/t5405-send-pack-rewind.sh

@ -0,0 +1,42 @@ @@ -0,0 +1,42 @@
#!/bin/sh

test_description='forced push to replace commit we do not have'

. ./test-lib.sh

test_expect_success setup '

>file1 && git add file1 && test_tick &&
git commit -m Initial &&

mkdir another && (
cd another &&
git init &&
git fetch .. master:master
) &&

>file2 && git add file2 && test_tick &&
git commit -m Second

'

test_expect_success 'non forced push should die not segfault' '

(
cd another &&
git push .. master:master
test $? = 1
)

'

test_expect_success 'forced push should succeed' '

(
cd another &&
git push .. +master:master
)

'

test_done

24
t/t5406-remote-rejects.sh

@ -0,0 +1,24 @@ @@ -0,0 +1,24 @@
#!/bin/sh

test_description='remote push rejects are reported by client'

. ./test-lib.sh

test_expect_success 'setup' '
mkdir .git/hooks &&
(echo "#!/bin/sh" ; echo "exit 1") >.git/hooks/update &&
chmod +x .git/hooks/update &&
echo 1 >file &&
git add file &&
git commit -m 1 &&
git clone . child &&
cd child &&
echo 2 >file &&
git commit -a -m 2
'

test_expect_success 'push reports error' '! git push 2>stderr'

test_expect_success 'individual ref reports error' 'grep rejected stderr'

test_done

52
t/t5512-ls-remote.sh

@ -0,0 +1,52 @@ @@ -0,0 +1,52 @@
#!/bin/sh

test_description='git ls-remote'

. ./test-lib.sh

test_expect_success setup '

>file &&
git add file &&
test_tick &&
git commit -m initial &&
git tag mark &&
git show-ref --tags -d | sed -e "s/ / /" >expected.tag &&
(
echo "$(git rev-parse HEAD) HEAD"
git show-ref -d | sed -e "s/ / /"
) >expected.all &&

git remote add self $(pwd)/.git

'

test_expect_success 'ls-remote --tags .git' '

git ls-remote --tags .git >actual &&
diff -u expected.tag actual

'

test_expect_success 'ls-remote .git' '

git ls-remote .git >actual &&
diff -u expected.all actual

'

test_expect_success 'ls-remote --tags self' '

git ls-remote --tags self >actual &&
diff -u expected.tag actual

'

test_expect_success 'ls-remote self' '

git ls-remote self >actual &&
diff -u expected.all actual

'

test_done

228
t/t5517-push-mirror.sh

@ -0,0 +1,228 @@ @@ -0,0 +1,228 @@
#!/bin/sh

test_description='pushing to a mirror repository'

. ./test-lib.sh

D=`pwd`

invert () {
if "$@"; then
return 1
else
return 0
fi
}

mk_repo_pair () {
rm -rf master mirror &&
mkdir mirror &&
(
cd mirror &&
git init
) &&
mkdir master &&
(
cd master &&
git init &&
git config remote.up.url ../mirror
)
}


# BRANCH tests
test_expect_success 'push mirror creates new branches' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git push --mirror up
) &&
master_master=$(cd master && git show-ref -s --verify refs/heads/master) &&
mirror_master=$(cd mirror && git show-ref -s --verify refs/heads/master) &&
test "$master_master" = "$mirror_master"

'

test_expect_success 'push mirror updates existing branches' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git push --mirror up &&
echo two >foo && git add foo && git commit -m two &&
git push --mirror up
) &&
master_master=$(cd master && git show-ref -s --verify refs/heads/master) &&
mirror_master=$(cd mirror && git show-ref -s --verify refs/heads/master) &&
test "$master_master" = "$mirror_master"

'

test_expect_success 'push mirror force updates existing branches' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git push --mirror up &&
echo two >foo && git add foo && git commit -m two &&
git push --mirror up &&
git reset --hard HEAD^
git push --mirror up
) &&
master_master=$(cd master && git show-ref -s --verify refs/heads/master) &&
mirror_master=$(cd mirror && git show-ref -s --verify refs/heads/master) &&
test "$master_master" = "$mirror_master"

'

test_expect_success 'push mirror removes branches' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git branch remove master &&
git push --mirror up &&
git branch -D remove
git push --mirror up
) &&
(
cd mirror &&
invert git show-ref -s --verify refs/heads/remove
)

'

test_expect_success 'push mirror adds, updates and removes branches together' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git branch remove master &&
git push --mirror up &&
git branch -D remove &&
git branch add master &&
echo two >foo && git add foo && git commit -m two &&
git push --mirror up
) &&
master_master=$(cd master && git show-ref -s --verify refs/heads/master) &&
master_add=$(cd master && git show-ref -s --verify refs/heads/add) &&
mirror_master=$(cd mirror && git show-ref -s --verify refs/heads/master) &&
mirror_add=$(cd mirror && git show-ref -s --verify refs/heads/add) &&
test "$master_master" = "$mirror_master" &&
test "$master_add" = "$mirror_add" &&
(
cd mirror &&
invert git show-ref -s --verify refs/heads/remove
)

'


# TAG tests
test_expect_success 'push mirror creates new tags' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git tag -f tmaster master &&
git push --mirror up
) &&
master_master=$(cd master && git show-ref -s --verify refs/tags/tmaster) &&
mirror_master=$(cd mirror && git show-ref -s --verify refs/tags/tmaster) &&
test "$master_master" = "$mirror_master"

'

test_expect_success 'push mirror updates existing tags' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git tag -f tmaster master &&
git push --mirror up &&
echo two >foo && git add foo && git commit -m two &&
git tag -f tmaster master &&
git push --mirror up
) &&
master_master=$(cd master && git show-ref -s --verify refs/tags/tmaster) &&
mirror_master=$(cd mirror && git show-ref -s --verify refs/tags/tmaster) &&
test "$master_master" = "$mirror_master"

'

test_expect_success 'push mirror force updates existing tags' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git tag -f tmaster master &&
git push --mirror up &&
echo two >foo && git add foo && git commit -m two &&
git tag -f tmaster master &&
git push --mirror up &&
git reset --hard HEAD^
git tag -f tmaster master &&
git push --mirror up
) &&
master_master=$(cd master && git show-ref -s --verify refs/tags/tmaster) &&
mirror_master=$(cd mirror && git show-ref -s --verify refs/tags/tmaster) &&
test "$master_master" = "$mirror_master"

'

test_expect_success 'push mirror removes tags' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git tag -f tremove master &&
git push --mirror up &&
git tag -d tremove
git push --mirror up
) &&
(
cd mirror &&
invert git show-ref -s --verify refs/tags/tremove
)

'

test_expect_success 'push mirror adds, updates and removes tags together' '

mk_repo_pair &&
(
cd master &&
echo one >foo && git add foo && git commit -m one &&
git tag -f tmaster master &&
git tag -f tremove master &&
git push --mirror up &&
git tag -d tremove &&
git tag tadd master &&
echo two >foo && git add foo && git commit -m two &&
git tag -f tmaster master &&
git push --mirror up
) &&
master_master=$(cd master && git show-ref -s --verify refs/tags/tmaster) &&
master_add=$(cd master && git show-ref -s --verify refs/tags/tadd) &&
mirror_master=$(cd mirror && git show-ref -s --verify refs/tags/tmaster) &&
mirror_add=$(cd mirror && git show-ref -s --verify refs/tags/tadd) &&
test "$master_master" = "$mirror_master" &&
test "$master_add" = "$mirror_add" &&
(
cd mirror &&
invert git show-ref -s --verify refs/tags/tremove
)

'

test_done

70
transport.c

@ -6,6 +6,7 @@ @@ -6,6 +6,7 @@
#endif
#include "pkt-line.h"
#include "fetch-pack.h"
#include "send-pack.h"
#include "walker.h"
#include "bundle.h"
#include "dir.h"
@ -141,7 +142,7 @@ static void insert_packed_refs(const char *packed_refs, struct ref **list) @@ -141,7 +142,7 @@ static void insert_packed_refs(const char *packed_refs, struct ref **list)
}
}

static struct ref *get_refs_via_rsync(const struct transport *transport)
static struct ref *get_refs_via_rsync(struct transport *transport)
{
struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
struct ref dummy, *tail = &dummy;
@ -283,6 +284,9 @@ static int rsync_transport_push(struct transport *transport, @@ -283,6 +284,9 @@ static int rsync_transport_push(struct transport *transport,
struct child_process rsync;
const char *args[10];

if (flags & TRANSPORT_PUSH_MIRROR)
return error("rsync transport does not support mirror mode");

/* first push the objects */

strbuf_addstr(&buf, transport->url);
@ -388,6 +392,9 @@ static int curl_transport_push(struct transport *transport, int refspec_nr, cons @@ -388,6 +392,9 @@ static int curl_transport_push(struct transport *transport, int refspec_nr, cons
int argc;
int err;

if (flags & TRANSPORT_PUSH_MIRROR)
return error("http transport does not support mirror mode");

argv = xmalloc((refspec_nr + 12) * sizeof(char *));
argv[0] = "http-push";
argc = 1;
@ -432,7 +439,7 @@ static int missing__target(int code, int result) @@ -432,7 +439,7 @@ static int missing__target(int code, int result)

#define missing_target(a) missing__target((a)->http_code, (a)->curl_result)

static struct ref *get_refs_via_curl(const struct transport *transport)
static struct ref *get_refs_via_curl(struct transport *transport)
{
struct buffer buffer;
char *data, *start, *mid;
@ -529,7 +536,7 @@ struct bundle_transport_data { @@ -529,7 +536,7 @@ struct bundle_transport_data {
struct bundle_header header;
};

static struct ref *get_refs_from_bundle(const struct transport *transport)
static struct ref *get_refs_from_bundle(struct transport *transport)
{
struct bundle_transport_data *data = transport->data;
struct ref *result = NULL;
@ -601,7 +608,7 @@ static int set_git_option(struct transport *connection, @@ -601,7 +608,7 @@ static int set_git_option(struct transport *connection,
return 1;
}

static struct ref *get_refs_via_connect(const struct transport *transport)
static struct ref *get_refs_via_connect(struct transport *transport)
{
struct git_transport_data *data = transport->data;
struct ref *refs;
@ -654,50 +661,17 @@ static int fetch_refs_via_pack(struct transport *transport, @@ -654,50 +661,17 @@ static int fetch_refs_via_pack(struct transport *transport,
static int git_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags)
{
struct git_transport_data *data = transport->data;
const char **argv;
char *rem;
int argc;
int err;
struct send_pack_args args;

argv = xmalloc((refspec_nr + 12) * sizeof(char *));
argv[0] = "send-pack";
argc = 1;
if (flags & TRANSPORT_PUSH_ALL)
argv[argc++] = "--all";
if (flags & TRANSPORT_PUSH_FORCE)
argv[argc++] = "--force";
if (flags & TRANSPORT_PUSH_DRY_RUN)
argv[argc++] = "--dry-run";
if (flags & TRANSPORT_PUSH_VERBOSE)
argv[argc++] = "--verbose";
if (data->receivepack) {
char *rp = xmalloc(strlen(data->receivepack) + 16);
sprintf(rp, "--receive-pack=%s", data->receivepack);
argv[argc++] = rp;
}
if (data->thin)
argv[argc++] = "--thin";
rem = xmalloc(strlen(transport->remote->name) + 10);
sprintf(rem, "--remote=%s", transport->remote->name);
argv[argc++] = rem;
argv[argc++] = transport->url;
while (refspec_nr--)
argv[argc++] = *refspec++;
argv[argc] = NULL;
err = run_command_v_opt(argv, RUN_GIT_CMD);
switch (err) {
case -ERR_RUN_COMMAND_FORK:
error("unable to fork for %s", argv[0]);
case -ERR_RUN_COMMAND_EXEC:
error("unable to exec %s", argv[0]);
break;
case -ERR_RUN_COMMAND_WAITPID:
case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
error("%s died with strange error", argv[0]);
}
return !!err;
args.receivepack = data->receivepack;
args.send_all = !!(flags & TRANSPORT_PUSH_ALL);
args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
args.use_thin_pack = data->thin;
args.verbose = !!(flags & TRANSPORT_PUSH_VERBOSE);
args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);

return send_pack(&args, transport->url, transport->remote, refspec_nr, refspec);
}

static int disconnect_git(struct transport *transport)
@ -789,7 +763,7 @@ int transport_push(struct transport *transport, @@ -789,7 +763,7 @@ int transport_push(struct transport *transport,
return transport->push(transport, refspec_nr, refspec, flags);
}

struct ref *transport_get_remote_refs(struct transport *transport)
const struct ref *transport_get_remote_refs(struct transport *transport)
{
if (!transport->remote_refs)
transport->remote_refs = transport->get_refs_list(transport);

9
transport.h

@ -8,7 +8,7 @@ struct transport { @@ -8,7 +8,7 @@ struct transport {
struct remote *remote;
const char *url;
void *data;
struct ref *remote_refs;
const struct ref *remote_refs;

/**
* Returns 0 if successful, positive if the option is not
@ -18,7 +18,7 @@ struct transport { @@ -18,7 +18,7 @@ struct transport {
int (*set_option)(struct transport *connection, const char *name,
const char *value);

struct ref *(*get_refs_list)(const struct transport *transport);
struct ref *(*get_refs_list)(struct transport *transport);
int (*fetch)(struct transport *transport, int refs_nr, struct ref **refs);
int (*push)(struct transport *connection, int refspec_nr, const char **refspec, int flags);

@ -30,7 +30,8 @@ struct transport { @@ -30,7 +30,8 @@ struct transport {
#define TRANSPORT_PUSH_ALL 1
#define TRANSPORT_PUSH_FORCE 2
#define TRANSPORT_PUSH_DRY_RUN 4
#define TRANSPORT_PUSH_VERBOSE 8
#define TRANSPORT_PUSH_MIRROR 8
#define TRANSPORT_PUSH_VERBOSE 16

/* Returns a transport suitable for the url */
struct transport *transport_get(struct remote *, const char *);
@ -62,7 +63,7 @@ int transport_set_option(struct transport *transport, const char *name, @@ -62,7 +63,7 @@ int transport_set_option(struct transport *transport, const char *name,
int transport_push(struct transport *connection,
int refspec_nr, const char **refspec, int flags);

struct ref *transport_get_remote_refs(struct transport *transport);
const struct ref *transport_get_remote_refs(struct transport *transport);

int transport_fetch_refs(struct transport *transport, struct ref *refs);
void transport_unlock_pack(struct transport *transport);

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