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-rw-r--r--Documentation/githooks.txt18
-rw-r--r--builtin/receive-pack.c47
-rw-r--r--templates/hooks--pre-receive.sample24
3 files changed, 76 insertions, 13 deletions
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/builtin/receive-pack.c b/builtin/receive-pack.c
index 15c323a..6cdd2c6 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -550,8 +550,16 @@ 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 +575,16 @@ 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 +624,6 @@ 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 +646,10 @@ 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 +660,7 @@ 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 +1331,8 @@ 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 +1351,7 @@ 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";
@@ -1756,6 +1772,7 @@ 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;
prepare_shallow_info(&si, &shallow);
if (!si.nr_ours && !si.nr_theirs)
@@ -1764,13 +1781,17 @@ 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/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