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Diffstat (limited to 'run-command.c')
-rw-r--r--run-command.c68
1 files changed, 49 insertions, 19 deletions
diff --git a/run-command.c b/run-command.c
index 3b982e4d55..1b7f88eeb1 100644
--- a/run-command.c
+++ b/run-command.c
@@ -72,11 +72,14 @@ static inline void close_pair(int fd[2])
close(fd[1]);
}
-#ifndef WIN32
+#ifndef GIT_WINDOWS_NATIVE
static inline void dup_devnull(int to)
{
int fd = open("/dev/null", O_RDWR);
- dup2(fd, to);
+ if (fd < 0)
+ die_errno(_("open /dev/null failed"));
+ if (dup2(fd, to) < 0)
+ die_errno(_("dup2(%d,%d) failed"), fd, to);
close(fd);
}
#endif
@@ -159,7 +162,7 @@ static const char **prepare_shell_cmd(const char **argv)
die("BUG: shell command is empty");
if (strcspn(argv[0], "|&;<>()$`\\\"' \t\n*?[#~=%") != strlen(argv[0])) {
-#ifndef WIN32
+#ifndef GIT_WINDOWS_NATIVE
nargv[nargc++] = SHELL_PATH;
#else
nargv[nargc++] = "sh";
@@ -182,7 +185,7 @@ static const char **prepare_shell_cmd(const char **argv)
return nargv;
}
-#ifndef WIN32
+#ifndef GIT_WINDOWS_NATIVE
static int execv_shell_cmd(const char **argv)
{
const char **nargv = prepare_shell_cmd(argv);
@@ -193,7 +196,7 @@ static int execv_shell_cmd(const char **argv)
}
#endif
-#ifndef WIN32
+#ifndef GIT_WINDOWS_NATIVE
static int child_err = 2;
static int child_notifier = -1;
@@ -226,7 +229,7 @@ static inline void set_cloexec(int fd)
fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
}
-static int wait_or_whine(pid_t pid, const char *argv0, int silent_exec_failure)
+static int wait_or_whine(pid_t pid, const char *argv0)
{
int status, code = -1;
pid_t waiting;
@@ -242,13 +245,14 @@ static int wait_or_whine(pid_t pid, const char *argv0, int silent_exec_failure)
error("waitpid is confused (%s)", argv0);
} else if (WIFSIGNALED(status)) {
code = WTERMSIG(status);
- error("%s died of signal %d", argv0, code);
+ if (code != SIGINT && code != SIGQUIT)
+ error("%s died of signal %d", argv0, code);
/*
* This return value is chosen so that code & 0xff
* mimics the exit code that a POSIX shell would report for
* a program that died from this signal.
*/
- code -= 128;
+ code += 128;
} else if (WIFEXITED(status)) {
code = WEXITSTATUS(status);
/*
@@ -272,7 +276,8 @@ int start_command(struct child_process *cmd)
{
int need_in, need_out, need_err;
int fdin[2], fdout[2], fderr[2];
- int failed_errno = failed_errno;
+ int failed_errno;
+ char *str;
/*
* In case of errors we must keep the promise to close FDs
@@ -285,6 +290,7 @@ int start_command(struct child_process *cmd)
failed_errno = errno;
if (cmd->out > 0)
close(cmd->out);
+ str = "standard input";
goto fail_pipe;
}
cmd->in = fdin[1];
@@ -300,6 +306,7 @@ int start_command(struct child_process *cmd)
close_pair(fdin);
else if (cmd->in)
close(cmd->in);
+ str = "standard output";
goto fail_pipe;
}
cmd->out = fdout[0];
@@ -317,9 +324,10 @@ int start_command(struct child_process *cmd)
close_pair(fdout);
else if (cmd->out)
close(cmd->out);
+ str = "standard error";
fail_pipe:
- error("cannot create pipe for %s: %s",
- cmd->argv[0], strerror(failed_errno));
+ error("cannot create %s pipe for %s: %s",
+ str, cmd->argv[0], strerror(failed_errno));
errno = failed_errno;
return -1;
}
@@ -329,13 +337,14 @@ fail_pipe:
trace_argv_printf(cmd->argv, "trace: run_command:");
fflush(NULL);
-#ifndef WIN32
+#ifndef GIT_WINDOWS_NATIVE
{
int notify_pipe[2];
if (pipe(notify_pipe))
notify_pipe[0] = notify_pipe[1] = -1;
cmd->pid = fork();
+ failed_errno = errno;
if (!cmd->pid) {
/*
* Redirect the channel to write syscall error messages to
@@ -415,7 +424,7 @@ fail_pipe:
}
if (cmd->pid < 0)
error("cannot fork() for %s: %s", cmd->argv[0],
- strerror(failed_errno = errno));
+ strerror(errno));
else if (cmd->clean_on_exit)
mark_child_for_cleanup(cmd->pid);
@@ -432,8 +441,7 @@ fail_pipe:
* At this point we know that fork() succeeded, but execvp()
* failed. Errors have been reported to our stderr.
*/
- wait_or_whine(cmd->pid, cmd->argv[0],
- cmd->silent_exec_failure);
+ wait_or_whine(cmd->pid, cmd->argv[0]);
failed_errno = errno;
cmd->pid = -1;
}
@@ -538,7 +546,7 @@ fail_pipe:
int finish_command(struct child_process *cmd)
{
- return wait_or_whine(cmd->pid, cmd->argv[0], cmd->silent_exec_failure);
+ return wait_or_whine(cmd->pid, cmd->argv[0]);
}
int run_command(struct child_process *cmd)
@@ -583,6 +591,7 @@ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const
static pthread_t main_thread;
static int main_thread_set;
static pthread_key_t async_key;
+static pthread_key_t async_die_counter;
static void *run_thread(void *data)
{
@@ -609,6 +618,14 @@ static NORETURN void die_async(const char *err, va_list params)
exit(128);
}
+
+static int async_die_is_recursing(void)
+{
+ void *ret = pthread_getspecific(async_die_counter);
+ pthread_setspecific(async_die_counter, (void *)1);
+ return ret != NULL;
+}
+
#endif
int start_async(struct async *async)
@@ -690,7 +707,9 @@ int start_async(struct async *async)
main_thread_set = 1;
main_thread = pthread_self();
pthread_key_create(&async_key, NULL);
+ pthread_key_create(&async_die_counter, NULL);
set_die_routine(die_async);
+ set_die_is_recursing_routine(async_die_is_recursing);
}
if (proc_in >= 0)
@@ -725,7 +744,7 @@ error:
int finish_async(struct async *async)
{
#ifdef NO_PTHREADS
- return wait_or_whine(async->pid, "child process", 0);
+ return wait_or_whine(async->pid, "child process");
#else
void *ret = (void *)(intptr_t)(-1);
@@ -735,6 +754,15 @@ int finish_async(struct async *async)
#endif
}
+char *find_hook(const char *name)
+{
+ char *path = git_path("hooks/%s", name);
+ if (access(path, X_OK) < 0)
+ path = NULL;
+
+ return path;
+}
+
int run_hook(const char *index_file, const char *name, ...)
{
struct child_process hook;
@@ -744,11 +772,13 @@ int run_hook(const char *index_file, const char *name, ...)
va_list args;
int ret;
- if (access(git_path("hooks/%s", name), X_OK) < 0)
+ p = find_hook(name);
+ if (!p)
return 0;
+ argv_array_push(&argv, p);
+
va_start(args, name);
- argv_array_push(&argv, git_path("hooks/%s", name));
while ((p = va_arg(args, const char *)))
argv_array_push(&argv, p);
va_end(args);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-11 20:30:19 +0000