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-rw-r--r--Documentation/config.txt9
-rw-r--r--Documentation/git-push.txt8
-rw-r--r--Documentation/githooks.txt18
-rw-r--r--Documentation/technical/pack-protocol.txt10
-rw-r--r--Documentation/technical/protocol-capabilities.txt9
-rw-r--r--builtin/push.c21
-rw-r--r--builtin/receive-pack.c77
-rw-r--r--send-pack.c27
-rw-r--r--send-pack.h3
-rwxr-xr-xt/t5545-push-options.sh103
-rw-r--r--templates/hooks--pre-receive.sample24
-rw-r--r--transport.c1
-rw-r--r--transport.h7
13 files changed, 294 insertions, 23 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 8b1aee4..4ae564b 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2427,8 +2427,13 @@ rebase.instructionFormat
receive.advertiseAtomic::
By default, git-receive-pack will advertise the atomic push
- capability to its clients. If you don't want to this capability
- to be advertised, set this variable to false.
+ capability to its clients. If you don't want to advertise this
+ capability, set this variable to false.
+
+receive.advertisePushOptions::
+ By default, git-receive-pack will advertise the push options
+ capability to its clients. If you don't want to advertise this
+ capability, set this variable to false.
receive.autogc::
By default, git-receive-pack will run "git-gc --auto" after
diff --git a/Documentation/git-push.txt b/Documentation/git-push.txt
index 93c3527..ec514f6 100644
--- a/Documentation/git-push.txt
+++ b/Documentation/git-push.txt
@@ -11,7 +11,7 @@ SYNOPSIS
[verse]
'git push' [--all | --mirror | --tags] [--follow-tags] [--atomic] [-n | --dry-run] [--receive-pack=<git-receive-pack>]
[--repo=<repository>] [-f | --force] [-d | --delete] [--prune] [-v | --verbose]
- [-u | --set-upstream]
+ [-u | --set-upstream] [--push-option=<string>]
[--[no-]signed|--sign=(true|false|if-asked)]
[--force-with-lease[=<refname>[:<expect>]]]
[--no-verify] [<repository> [<refspec>...]]
@@ -156,6 +156,12 @@ already exists on the remote side.
Either all refs are updated, or on error, no refs are updated.
If the server does not support atomic pushes the push will fail.
+-o::
+--push-option::
+ Transmit the given string to the server, which passes them to
+ the pre-receive as well as the post-receive hook. The given string
+ must not contain a NUL or LF character.
+
--receive-pack=<git-receive-pack>::
--exec=<git-receive-pack>::
Path to the 'git-receive-pack' program on the remote
diff --git a/Documentation/githooks.txt b/Documentation/githooks.txt
index d82e912..9565dc3 100644
--- a/Documentation/githooks.txt
+++ b/Documentation/githooks.txt
@@ -247,6 +247,15 @@ Both standard output and standard error output are forwarded to
'git send-pack' on the other end, so you can simply `echo` messages
for the user.
+The number of push options given on the command line of
+`git push --push-option=...` can be read from the environment
+variable `GIT_PUSH_OPTION_COUNT`, and the options themselves are
+found in `GIT_PUSH_OPTION_0`, `GIT_PUSH_OPTION_1`,...
+If it is negotiated to not use the push options phase, the
+environment variables will not be set. If the client selects
+to use push options, but doesn't transmit any, the count variable
+will be set to zero, `GIT_PUSH_OPTION_COUNT=0`.
+
[[update]]
update
~~~~~~
@@ -322,6 +331,15 @@ a sample script `post-receive-email` provided in the `contrib/hooks`
directory in Git distribution, which implements sending commit
emails.
+The number of push options given on the command line of
+`git push --push-option=...` can be read from the environment
+variable `GIT_PUSH_OPTION_COUNT`, and the options themselves are
+found in `GIT_PUSH_OPTION_0`, `GIT_PUSH_OPTION_1`,...
+If it is negotiated to not use the push options phase, the
+environment variables will not be set. If the client selects
+to use push options, but doesn't transmit any, the count variable
+will be set to zero, `GIT_PUSH_OPTION_COUNT=0`.
+
[[post-update]]
post-update
~~~~~~~~~~~
diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt
index 8b36343..7a2ed30 100644
--- a/Documentation/technical/pack-protocol.txt
+++ b/Documentation/technical/pack-protocol.txt
@@ -454,7 +454,8 @@ The reference discovery phase is done nearly the same way as it is in the
fetching protocol. Each reference obj-id and name on the server is sent
in packet-line format to the client, followed by a flush-pkt. The only
real difference is that the capability listing is different - the only
-possible values are 'report-status', 'delete-refs' and 'ofs-delta'.
+possible values are 'report-status', 'delete-refs', 'ofs-delta' and
+'push-options'.
Reference Update Request and Packfile Transfer
----------------------------------------------
@@ -465,9 +466,10 @@ that it wants to update, it sends a line listing the obj-id currently on
the server, the obj-id the client would like to update it to and the name
of the reference.
-This list is followed by a flush-pkt and then the packfile that should
-contain all the objects that the server will need to complete the new
-references.
+This list is followed by a flush-pkt. Then the push options are transmitted
+one per packet followed by another flush-pkt. After that the packfile that
+should contain all the objects that the server will need to complete the new
+references will be sent.
----
update-request = *shallow ( command-list | push-cert ) [packfile]
diff --git a/Documentation/technical/protocol-capabilities.txt b/Documentation/technical/protocol-capabilities.txt
index eaab6b4..4c28d3a 100644
--- a/Documentation/technical/protocol-capabilities.txt
+++ b/Documentation/technical/protocol-capabilities.txt
@@ -253,6 +253,15 @@ atomic pushes. If the pushing client requests this capability, the server
will update the refs in one atomic transaction. Either all refs are
updated or none.
+push-options
+------------
+
+If the server sends the 'push-options' capability it is able to accept
+push options after the update commands have been sent, but before the
+packfile is streamed. If the pushing client requests this capability,
+the server will pass the options to the pre- and post- receive hooks
+that process this push request.
+
allow-tip-sha1-in-want
----------------------
diff --git a/builtin/push.c b/builtin/push.c
index 4e9e4db..3bb9d6b 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -353,7 +353,8 @@ static int push_with_options(struct transport *transport, int flags)
return 1;
}
-static int do_push(const char *repo, int flags)
+static int do_push(const char *repo, int flags,
+ const struct string_list *push_options)
{
int i, errs;
struct remote *remote = pushremote_get(repo);
@@ -376,6 +377,9 @@ static int do_push(const char *repo, int flags)
if (remote->mirror)
flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
+ if (push_options->nr)
+ flags |= TRANSPORT_PUSH_OPTIONS;
+
if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
if (!strcmp(*refspec, "refs/tags/*"))
return error(_("--all and --tags are incompatible"));
@@ -406,13 +410,16 @@ static int do_push(const char *repo, int flags)
for (i = 0; i < url_nr; i++) {
struct transport *transport =
transport_get(remote, url[i]);
+ if (flags & TRANSPORT_PUSH_OPTIONS)
+ transport->push_options = push_options;
if (push_with_options(transport, flags))
errs++;
}
} else {
struct transport *transport =
transport_get(remote, NULL);
-
+ if (flags & TRANSPORT_PUSH_OPTIONS)
+ transport->push_options = push_options;
if (push_with_options(transport, flags))
errs++;
}
@@ -500,6 +507,9 @@ int cmd_push(int argc, const char **argv, const char *prefix)
int push_cert = -1;
int rc;
const char *repo = NULL; /* default repository */
+ static struct string_list push_options = STRING_LIST_INIT_DUP;
+ static struct string_list_item *item;
+
struct option options[] = {
OPT__VERBOSITY(&verbosity),
OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
@@ -533,6 +543,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"),
PARSE_OPT_OPTARG, option_parse_push_signed },
OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC),
+ OPT_STRING_LIST('o', "push-option", &push_options, N_("server-specific"), N_("option to transmit")),
OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
TRANSPORT_FAMILY_IPV4),
OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
@@ -563,7 +574,11 @@ int cmd_push(int argc, const char **argv, const char *prefix)
set_refspecs(argv + 1, argc - 1, repo);
}
- rc = do_push(repo, flags);
+ for_each_string_list_item(item, &push_options)
+ if (strchr(item->string, '\n'))
+ die(_("push options must not have new line characters"));
+
+ rc = do_push(repo, flags, &push_options);
if (rc == -1)
usage_with_options(push_usage, options);
else
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 15c323a..3c9360a 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -44,10 +44,12 @@ static struct strbuf fsck_msg_types = STRBUF_INIT;
static int receive_unpack_limit = -1;
static int transfer_unpack_limit = -1;
static int advertise_atomic_push = 1;
+static int advertise_push_options;
static int unpack_limit = 100;
static int report_status;
static int use_sideband;
static int use_atomic;
+static int use_push_options;
static int quiet;
static int prefer_ofs_delta = 1;
static int auto_update_server_info;
@@ -193,6 +195,11 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
return 0;
}
+ if (strcmp(var, "receive.advertisepushoptions") == 0) {
+ advertise_push_options = git_config_bool(var, value);
+ return 0;
+ }
+
return git_default_config(var, value, cb);
}
@@ -211,6 +218,8 @@ static void show_ref(const char *path, const unsigned char *sha1)
strbuf_addstr(&cap, " ofs-delta");
if (push_cert_nonce)
strbuf_addf(&cap, " push-cert=%s", push_cert_nonce);
+ if (advertise_push_options)
+ strbuf_addstr(&cap, " push-options");
strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized());
packet_write(1, "%s %s%c%s\n",
sha1_to_hex(sha1), path, 0, cap.buf);
@@ -550,8 +559,16 @@ static void prepare_push_cert_sha1(struct child_process *proc)
}
}
+struct receive_hook_feed_state {
+ struct command *cmd;
+ int skip_broken;
+ struct strbuf buf;
+ const struct string_list *push_options;
+};
+
typedef int (*feed_fn)(void *, const char **, size_t *);
-static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_state)
+static int run_and_feed_hook(const char *hook_name, feed_fn feed,
+ struct receive_hook_feed_state *feed_state)
{
struct child_process proc = CHILD_PROCESS_INIT;
struct async muxer;
@@ -567,6 +584,16 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
+ if (feed_state->push_options) {
+ int i;
+ for (i = 0; i < feed_state->push_options->nr; i++)
+ argv_array_pushf(&proc.env_array,
+ "GIT_PUSH_OPTION_%d=%s", i,
+ feed_state->push_options->items[i].string);
+ argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d",
+ feed_state->push_options->nr);
+ } else
+ argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT");
if (use_sideband) {
memset(&muxer, 0, sizeof(muxer));
@@ -606,12 +633,6 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
return finish_command(&proc);
}
-struct receive_hook_feed_state {
- struct command *cmd;
- int skip_broken;
- struct strbuf buf;
-};
-
static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep)
{
struct receive_hook_feed_state *state = state_;
@@ -634,8 +655,10 @@ static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep)
return 0;
}
-static int run_receive_hook(struct command *commands, const char *hook_name,
- int skip_broken)
+static int run_receive_hook(struct command *commands,
+ const char *hook_name,
+ int skip_broken,
+ const struct string_list *push_options)
{
struct receive_hook_feed_state state;
int status;
@@ -646,6 +669,7 @@ static int run_receive_hook(struct command *commands, const char *hook_name,
if (feed_receive_hook(&state, NULL, NULL))
return 0;
state.cmd = commands;
+ state.push_options = push_options;
status = run_and_feed_hook(hook_name, feed_receive_hook, &state);
strbuf_release(&state.buf);
return status;
@@ -1316,7 +1340,8 @@ cleanup:
static void execute_commands(struct command *commands,
const char *unpacker_error,
- struct shallow_info *si)
+ struct shallow_info *si,
+ const struct string_list *push_options)
{
struct command *cmd;
unsigned char sha1[20];
@@ -1335,7 +1360,7 @@ static void execute_commands(struct command *commands,
reject_updates_to_hidden(commands);
- if (run_receive_hook(commands, "pre-receive", 0)) {
+ if (run_receive_hook(commands, "pre-receive", 0, push_options)) {
for (cmd = commands; cmd; cmd = cmd->next) {
if (!cmd->error_string)
cmd->error_string = "pre-receive hook declined";
@@ -1439,6 +1464,9 @@ static struct command *read_head_info(struct sha1_array *shallow)
if (advertise_atomic_push
&& parse_feature_request(feature_list, "atomic"))
use_atomic = 1;
+ if (advertise_push_options
+ && parse_feature_request(feature_list, "push-options"))
+ use_push_options = 1;
}
if (!strcmp(line, "push-cert")) {
@@ -1471,6 +1499,21 @@ static struct command *read_head_info(struct sha1_array *shallow)
return commands;
}
+static void read_push_options(struct string_list *options)
+{
+ while (1) {
+ char *line;
+ int len;
+
+ line = packet_read_line(0, &len);
+
+ if (!line)
+ break;
+
+ string_list_append(options, line);
+ }
+}
+
static const char *parse_pack_header(struct pack_header *hdr)
{
switch (read_pack_header(0, hdr)) {
@@ -1756,6 +1799,10 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
if ((commands = read_head_info(&shallow)) != NULL) {
const char *unpack_status = NULL;
+ struct string_list push_options = STRING_LIST_INIT_DUP;
+
+ if (use_push_options)
+ read_push_options(&push_options);
prepare_shallow_info(&si, &shallow);
if (!si.nr_ours && !si.nr_theirs)
@@ -1764,13 +1811,17 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
unpack_status = unpack_with_sideband(&si);
update_shallow_info(commands, &si, &ref);
}
- execute_commands(commands, unpack_status, &si);
+ execute_commands(commands, unpack_status, &si,
+ &push_options);
if (pack_lockfile)
unlink_or_warn(pack_lockfile);
if (report_status)
report(commands, unpack_status);
- run_receive_hook(commands, "post-receive", 1);
+ run_receive_hook(commands, "post-receive", 1,
+ &push_options);
run_update_post_hook(commands);
+ if (push_options.nr)
+ string_list_clear(&push_options, 0);
if (auto_gc) {
const char *argv_gc_auto[] = {
"gc", "--auto", "--quiet", NULL,
diff --git a/send-pack.c b/send-pack.c
index 299d303..3a842ac 100644
--- a/send-pack.c
+++ b/send-pack.c
@@ -260,6 +260,7 @@ static int generate_push_cert(struct strbuf *req_buf,
const char *push_cert_nonce)
{
const struct ref *ref;
+ struct string_list_item *item;
char *signing_key = xstrdup(get_signing_key());
const char *cp, *np;
struct strbuf cert = STRBUF_INIT;
@@ -276,6 +277,9 @@ static int generate_push_cert(struct strbuf *req_buf,
}
if (push_cert_nonce[0])
strbuf_addf(&cert, "nonce %s\n", push_cert_nonce);
+ if (args->push_options)
+ for_each_string_list_item(item, args->push_options)
+ strbuf_addf(&cert, "push-option %s\n", item->string);
strbuf_addstr(&cert, "\n");
for (ref = remote_refs; ref; ref = ref->next) {
@@ -370,6 +374,8 @@ int send_pack(struct send_pack_args *args,
int agent_supported = 0;
int use_atomic = 0;
int atomic_supported = 0;
+ int use_push_options = 0;
+ int push_options_supported = 0;
unsigned cmds_sent = 0;
int ret;
struct async demux;
@@ -392,6 +398,8 @@ int send_pack(struct send_pack_args *args,
args->use_thin_pack = 0;
if (server_supports("atomic"))
atomic_supported = 1;
+ if (server_supports("push-options"))
+ push_options_supported = 1;
if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) {
int len;
@@ -418,6 +426,11 @@ int send_pack(struct send_pack_args *args,
use_atomic = atomic_supported && args->atomic;
+ if (args->push_options && !push_options_supported)
+ die(_("the receiving end does not support push options"));
+
+ use_push_options = push_options_supported && args->push_options;
+
if (status_report)
strbuf_addstr(&cap_buf, " report-status");
if (use_sideband)
@@ -426,6 +439,8 @@ int send_pack(struct send_pack_args *args,
strbuf_addstr(&cap_buf, " quiet");
if (use_atomic)
strbuf_addstr(&cap_buf, " atomic");
+ if (use_push_options)
+ strbuf_addstr(&cap_buf, " push-options");
if (agent_supported)
strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized());
@@ -512,6 +527,18 @@ int send_pack(struct send_pack_args *args,
strbuf_release(&req_buf);
strbuf_release(&cap_buf);
+ if (use_push_options) {
+ struct string_list_item *item;
+ struct strbuf sb = STRBUF_INIT;
+
+ for_each_string_list_item(item, args->push_options)
+ packet_buf_write(&sb, "%s", item->string);
+
+ write_or_die(out, sb.buf, sb.len);
+ packet_flush(out);
+ strbuf_release(&sb);
+ }
+
if (use_sideband && cmds_sent) {
memset(&demux, 0, sizeof(demux));
demux.proc = sideband_demux;
diff --git a/send-pack.h b/send-pack.h
index 57f222a..67fc40f 100644
--- a/send-pack.h
+++ b/send-pack.h
@@ -1,6 +1,8 @@
#ifndef SEND_PACK_H
#define SEND_PACK_H
+#include "string-list.h"
+
/* Possible values for push_cert field in send_pack_args. */
#define SEND_PACK_PUSH_CERT_NEVER 0
#define SEND_PACK_PUSH_CERT_IF_ASKED 1
@@ -21,6 +23,7 @@ struct send_pack_args {
push_cert:2,
stateless_rpc:1,
atomic:1;
+ const struct string_list *push_options;
};
struct option;
diff --git a/t/t5545-push-options.sh b/t/t5545-push-options.sh
new file mode 100755
index 0000000..ea813b9
--- /dev/null
+++ b/t/t5545-push-options.sh
@@ -0,0 +1,103 @@
+#!/bin/sh
+
+test_description='pushing to a repository using push options'
+
+. ./test-lib.sh
+
+mk_repo_pair () {
+ rm -rf workbench upstream &&
+ test_create_repo upstream &&
+ test_create_repo workbench &&
+ (
+ cd upstream &&
+ git config receive.denyCurrentBranch warn &&
+ mkdir -p .git/hooks &&
+ cat >.git/hooks/pre-receive <<-'EOF' &&
+ #!/bin/sh
+ if test -n "$GIT_PUSH_OPTION_COUNT"; then
+ i=0
+ >hooks/pre-receive.push_options
+ while test "$i" -lt "$GIT_PUSH_OPTION_COUNT"; do
+ eval "value=\$GIT_PUSH_OPTION_$i"
+ echo $value >>hooks/pre-receive.push_options
+ i=$((i + 1))
+ done
+ fi
+ EOF
+ chmod u+x .git/hooks/pre-receive
+
+ cat >.git/hooks/post-receive <<-'EOF' &&
+ #!/bin/sh
+ if test -n "$GIT_PUSH_OPTION_COUNT"; then
+ i=0
+ >hooks/post-receive.push_options
+ while test "$i" -lt "$GIT_PUSH_OPTION_COUNT"; do
+ eval "value=\$GIT_PUSH_OPTION_$i"
+ echo $value >>hooks/post-receive.push_options
+ i=$((i + 1))
+ done
+ fi
+ EOF
+ chmod u+x .git/hooks/post-receive
+ ) &&
+ (
+ cd workbench &&
+ git remote add up ../upstream
+ )
+}
+
+# Compare the ref ($1) in upstream with a ref value from workbench ($2)
+# i.e. test_refs second HEAD@{2}
+test_refs () {
+ test $# = 2 &&
+ git -C upstream rev-parse --verify "$1" >expect &&
+ git -C workbench rev-parse --verify "$2" >actual &&
+ test_cmp expect actual
+}
+
+test_expect_success 'one push option works for a single branch' '
+ mk_repo_pair &&
+ git -C upstream config receive.advertisePushOptions true &&
+ (
+ cd workbench &&
+ test_commit one &&
+ git push --mirror up &&
+ test_commit two &&
+ git push --push-option=asdf up master
+ ) &&
+ test_refs master master &&
+ echo "asdf" >expect &&
+ test_cmp expect upstream/.git/hooks/pre-receive.push_options &&
+ test_cmp expect upstream/.git/hooks/post-receive.push_options
+'
+
+test_expect_success 'push option denied by remote' '
+ mk_repo_pair &&
+ git -C upstream config receive.advertisePushOptions false &&
+ (
+ cd workbench &&
+ test_commit one &&
+ git push --mirror up &&
+ test_commit two &&
+ test_must_fail git push --push-option=asdf up master
+ ) &&
+ test_refs master HEAD@{1}
+'
+
+test_expect_success 'two push options work' '
+ mk_repo_pair &&
+ git -C upstream config receive.advertisePushOptions true &&
+ (
+ cd workbench &&
+ test_commit one &&
+ git push --mirror up &&
+ test_commit two &&
+ git push --push-option=asdf --push-option="more structured text" up master
+ ) &&
+ test_refs master master &&
+ printf "asdf\nmore structured text\n" >expect &&
+ test_cmp expect upstream/.git/hooks/pre-receive.push_options &&
+ test_cmp expect upstream/.git/hooks/post-receive.push_options
+'
+
+test_done
diff --git a/templates/hooks--pre-receive.sample b/templates/hooks--pre-receive.sample
new file mode 100644
index 0000000..a1fd29e
--- /dev/null
+++ b/templates/hooks--pre-receive.sample
@@ -0,0 +1,24 @@
+#!/bin/sh
+#
+# An example hook script to make use of push options.
+# The example simply echoes all push options that start with 'echoback='
+# and rejects all pushes when the "reject" push option is used.
+#
+# To enable this hook, rename this file to "pre-receive".
+
+if test -n "$GIT_PUSH_OPTION_COUNT"
+then
+ i=0
+ while test "$i" -lt "$GIT_PUSH_OPTION_COUNT"
+ do
+ eval "value=\$GIT_PUSH_OPTION_$i"
+ case "$value" in
+ echoback=*)
+ echo "echo from the pre-receive-hook: ${value#*=}" >&2
+ ;;
+ reject)
+ exit 1
+ esac
+ i=$((i + 1))
+ done
+fi
diff --git a/transport.c b/transport.c
index b233e3e..4ba48b0 100644
--- a/transport.c
+++ b/transport.c
@@ -513,6 +513,7 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re
args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC);
+ args.push_options = transport->push_options;
args.url = transport->url;
if (flags & TRANSPORT_PUSH_CERT_ALWAYS)
diff --git a/transport.h b/transport.h
index c681408..6fe3485 100644
--- a/transport.h
+++ b/transport.h
@@ -48,6 +48,12 @@ struct transport {
*/
unsigned cloning : 1;
+ /*
+ * These strings will be passed to the {pre, post}-receive hook,
+ * on the remote side, if both sides support the push options capability.
+ */
+ const struct string_list *push_options;
+
/**
* Returns 0 if successful, positive if the option is not
* recognized or is inapplicable, and negative if the option
@@ -134,6 +140,7 @@ struct transport {
#define TRANSPORT_PUSH_CERT_ALWAYS 2048
#define TRANSPORT_PUSH_CERT_IF_ASKED 4096
#define TRANSPORT_PUSH_ATOMIC 8192
+#define TRANSPORT_PUSH_OPTIONS 16384
#define TRANSPORT_SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
#define TRANSPORT_SUMMARY(x) (int)(TRANSPORT_SUMMARY_WIDTH + strlen(x) - gettext_width(x)), (x)