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-rw-r--r--builtin/gc.c131
1 files changed, 82 insertions, 49 deletions
diff --git a/builtin/gc.c b/builtin/gc.c
index 7da6d1966b..6a7a2da006 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -1478,9 +1478,9 @@ static int maintenance_run_tasks(struct maintenance_run_opts *opts,
static void initialize_maintenance_strategy(void)
{
- char *config_str;
+ const char *config_str;
- if (git_config_get_string("maintenance.strategy", &config_str))
+ if (git_config_get_string_tmp("maintenance.strategy", &config_str))
return;
if (!strcasecmp(config_str, "incremental")) {
@@ -1818,32 +1818,33 @@ static const char *get_extra_launchctl_strings(void) {
* * If $GIT_TEST_MAINT_SCHEDULER is set, return true.
* In this case, the *cmd value is read as input.
*
- * * if the input value *cmd is the key of one of the comma-separated list
- * item, then *is_available is set to true and *cmd is modified and becomes
+ * * if the input value cmd is the key of one of the comma-separated list
+ * item, then *is_available is set to true and *out is set to
* the mock command.
*
* * if the input value *cmd isn’t the key of any of the comma-separated list
- * item, then *is_available is set to false.
+ * item, then *is_available is set to false and *out is set to the original
+ * command.
*
* Ex.:
* GIT_TEST_MAINT_SCHEDULER not set
* +-------+-------------------------------------------------+
* | Input | Output |
- * | *cmd | return code | *cmd | *is_available |
+ * | *cmd | return code | *out | *is_available |
* +-------+-------------+-------------------+---------------+
- * | "foo" | false | "foo" (unchanged) | (unchanged) |
+ * | "foo" | false | NULL | (unchanged) |
* +-------+-------------+-------------------+---------------+
*
* GIT_TEST_MAINT_SCHEDULER set to “foo:./mock_foo.sh,bar:./mock_bar.sh”
* +-------+-------------------------------------------------+
* | Input | Output |
- * | *cmd | return code | *cmd | *is_available |
+ * | *cmd | return code | *out | *is_available |
* +-------+-------------+-------------------+---------------+
* | "foo" | true | "./mock.foo.sh" | true |
- * | "qux" | true | "qux" (unchanged) | false |
+ * | "qux" | true | "qux" (allocated) | false |
* +-------+-------------+-------------------+---------------+
*/
-static int get_schedule_cmd(const char **cmd, int *is_available)
+static int get_schedule_cmd(const char *cmd, int *is_available, char **out)
{
char *testing = xstrdup_or_null(getenv("GIT_TEST_MAINT_SCHEDULER"));
struct string_list_item *item;
@@ -1862,16 +1863,22 @@ static int get_schedule_cmd(const char **cmd, int *is_available)
if (string_list_split_in_place(&pair, item->string, ":", 2) != 2)
continue;
- if (!strcmp(*cmd, pair.items[0].string)) {
- *cmd = pair.items[1].string;
+ if (!strcmp(cmd, pair.items[0].string)) {
+ if (out)
+ *out = xstrdup(pair.items[1].string);
if (is_available)
*is_available = 1;
- string_list_clear(&list, 0);
- UNLEAK(testing);
- return 1;
+ string_list_clear(&pair, 0);
+ goto out;
}
+
+ string_list_clear(&pair, 0);
}
+ if (out)
+ *out = xstrdup(cmd);
+
+out:
string_list_clear(&list, 0);
free(testing);
return 1;
@@ -1888,9 +1895,8 @@ static int get_random_minute(void)
static int is_launchctl_available(void)
{
- const char *cmd = "launchctl";
int is_available;
- if (get_schedule_cmd(&cmd, &is_available))
+ if (get_schedule_cmd("launchctl", &is_available, NULL))
return is_available;
#ifdef __APPLE__
@@ -1928,12 +1934,12 @@ static char *launchctl_get_uid(void)
static int launchctl_boot_plist(int enable, const char *filename)
{
- const char *cmd = "launchctl";
+ char *cmd;
int result;
struct child_process child = CHILD_PROCESS_INIT;
char *uid = launchctl_get_uid();
- get_schedule_cmd(&cmd, NULL);
+ get_schedule_cmd("launchctl", NULL, &cmd);
strvec_split(&child.args, cmd);
strvec_pushl(&child.args, enable ? "bootstrap" : "bootout", uid,
filename, NULL);
@@ -1946,6 +1952,7 @@ static int launchctl_boot_plist(int enable, const char *filename)
result = finish_command(&child);
+ free(cmd);
free(uid);
return result;
}
@@ -1997,10 +2004,10 @@ static int launchctl_schedule_plist(const char *exec_path, enum schedule_priorit
static unsigned long lock_file_timeout_ms = ULONG_MAX;
struct strbuf plist = STRBUF_INIT, plist2 = STRBUF_INIT;
struct stat st;
- const char *cmd = "launchctl";
+ char *cmd;
int minute = get_random_minute();
- get_schedule_cmd(&cmd, NULL);
+ get_schedule_cmd("launchctl", NULL, &cmd);
preamble = "<?xml version=\"1.0\"?>\n"
"<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
"<plist version=\"1.0\">"
@@ -2092,6 +2099,7 @@ static int launchctl_schedule_plist(const char *exec_path, enum schedule_priorit
free(filename);
free(name);
+ free(cmd);
strbuf_release(&plist);
strbuf_release(&plist2);
return 0;
@@ -2116,9 +2124,8 @@ static int launchctl_update_schedule(int run_maintenance, int fd UNUSED)
static int is_schtasks_available(void)
{
- const char *cmd = "schtasks";
int is_available;
- if (get_schedule_cmd(&cmd, &is_available))
+ if (get_schedule_cmd("schtasks", &is_available, NULL))
return is_available;
#ifdef GIT_WINDOWS_NATIVE
@@ -2137,15 +2144,16 @@ static char *schtasks_task_name(const char *frequency)
static int schtasks_remove_task(enum schedule_priority schedule)
{
- const char *cmd = "schtasks";
+ char *cmd;
struct child_process child = CHILD_PROCESS_INIT;
const char *frequency = get_frequency(schedule);
char *name = schtasks_task_name(frequency);
- get_schedule_cmd(&cmd, NULL);
+ get_schedule_cmd("schtasks", NULL, &cmd);
strvec_split(&child.args, cmd);
strvec_pushl(&child.args, "/delete", "/tn", name, "/f", NULL);
free(name);
+ free(cmd);
return run_command(&child);
}
@@ -2159,7 +2167,7 @@ static int schtasks_remove_tasks(void)
static int schtasks_schedule_task(const char *exec_path, enum schedule_priority schedule)
{
- const char *cmd = "schtasks";
+ char *cmd;
int result;
struct child_process child = CHILD_PROCESS_INIT;
const char *xml;
@@ -2169,7 +2177,7 @@ static int schtasks_schedule_task(const char *exec_path, enum schedule_priority
struct strbuf tfilename = STRBUF_INIT;
int minute = get_random_minute();
- get_schedule_cmd(&cmd, NULL);
+ get_schedule_cmd("schtasks", NULL, &cmd);
strbuf_addf(&tfilename, "%s/schedule_%s_XXXXXX",
repo_get_common_dir(the_repository), frequency);
@@ -2276,6 +2284,7 @@ static int schtasks_schedule_task(const char *exec_path, enum schedule_priority
delete_tempfile(&tfile);
free(name);
+ free(cmd);
return result;
}
@@ -2317,21 +2326,28 @@ static int check_crontab_process(const char *cmd)
static int is_crontab_available(void)
{
- const char *cmd = "crontab";
+ char *cmd;
int is_available;
+ int ret;
- if (get_schedule_cmd(&cmd, &is_available))
- return is_available;
+ if (get_schedule_cmd("crontab", &is_available, &cmd)) {
+ ret = is_available;
+ goto out;
+ }
#ifdef __APPLE__
/*
* macOS has cron, but it requires special permissions and will
* create a UI alert when attempting to run this command.
*/
- return 0;
+ ret = 0;
#else
- return check_crontab_process(cmd);
+ ret = check_crontab_process(cmd);
#endif
+
+out:
+ free(cmd);
+ return ret;
}
#define BEGIN_LINE "# BEGIN GIT MAINTENANCE SCHEDULE"
@@ -2339,7 +2355,7 @@ static int is_crontab_available(void)
static int crontab_update_schedule(int run_maintenance, int fd)
{
- const char *cmd = "crontab";
+ char *cmd;
int result = 0;
int in_old_region = 0;
struct child_process crontab_list = CHILD_PROCESS_INIT;
@@ -2349,15 +2365,17 @@ static int crontab_update_schedule(int run_maintenance, int fd)
struct tempfile *tmpedit = NULL;
int minute = get_random_minute();
- get_schedule_cmd(&cmd, NULL);
+ get_schedule_cmd("crontab", NULL, &cmd);
strvec_split(&crontab_list.args, cmd);
strvec_push(&crontab_list.args, "-l");
crontab_list.in = -1;
crontab_list.out = dup(fd);
crontab_list.git_cmd = 0;
- if (start_command(&crontab_list))
- return error(_("failed to run 'crontab -l'; your system might not support 'cron'"));
+ if (start_command(&crontab_list)) {
+ result = error(_("failed to run 'crontab -l'; your system might not support 'cron'"));
+ goto out;
+ }
/* Ignore exit code, as an empty crontab will return error. */
finish_command(&crontab_list);
@@ -2427,8 +2445,10 @@ static int crontab_update_schedule(int run_maintenance, int fd)
result = error(_("'crontab' died"));
else
fclose(cron_list);
+
out:
delete_tempfile(&tmpedit);
+ free(cmd);
return result;
}
@@ -2451,10 +2471,9 @@ static int real_is_systemd_timer_available(void)
static int is_systemd_timer_available(void)
{
- const char *cmd = "systemctl";
int is_available;
- if (get_schedule_cmd(&cmd, &is_available))
+ if (get_schedule_cmd("systemctl", &is_available, NULL))
return is_available;
return real_is_systemd_timer_available();
@@ -2635,9 +2654,10 @@ static int systemd_timer_enable_unit(int enable,
enum schedule_priority schedule,
int minute)
{
- const char *cmd = "systemctl";
+ char *cmd = NULL;
struct child_process child = CHILD_PROCESS_INIT;
const char *frequency = get_frequency(schedule);
+ int ret;
/*
* Disabling the systemd unit while it is already disabled makes
@@ -2648,20 +2668,25 @@ static int systemd_timer_enable_unit(int enable,
* On the other hand, enabling a systemd unit which is already enabled
* produces no error.
*/
- if (!enable)
+ if (!enable) {
child.no_stderr = 1;
- else if (systemd_timer_write_timer_file(schedule, minute))
- return -1;
+ } else if (systemd_timer_write_timer_file(schedule, minute)) {
+ ret = -1;
+ goto out;
+ }
- get_schedule_cmd(&cmd, NULL);
+ get_schedule_cmd("systemctl", NULL, &cmd);
strvec_split(&child.args, cmd);
strvec_pushl(&child.args, "--user", enable ? "enable" : "disable",
"--now", NULL);
strvec_pushf(&child.args, SYSTEMD_UNIT_FORMAT, frequency, "timer");
- if (start_command(&child))
- return error(_("failed to start systemctl"));
- if (finish_command(&child))
+ if (start_command(&child)) {
+ ret = error(_("failed to start systemctl"));
+ goto out;
+ }
+
+ if (finish_command(&child)) {
/*
* Disabling an already disabled systemd unit makes
* systemctl fail.
@@ -2669,9 +2694,17 @@ static int systemd_timer_enable_unit(int enable,
*
* Enabling an enabled systemd unit doesn't fail.
*/
- if (enable)
- return error(_("failed to run systemctl"));
- return 0;
+ if (enable) {
+ ret = error(_("failed to run systemctl"));
+ goto out;
+ }
+ }
+
+ ret = 0;
+
+out:
+ free(cmd);
+ return ret;
}
/*