mirror of
https://github.com/git/git.git
synced 2026-03-13 10:23:30 +01:00
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
#include "cache.h"
|
|
#include "run-command.h"
|
|
#include "exec_cmd.h"
|
|
#include "spawn-pipe.h"
|
|
|
|
int run_command_v_opt(const char **argv, int flags)
|
|
{
|
|
pid_t pid;
|
|
int fd_i[2] = { -1, -1 };
|
|
int fd_o[2] = { -1, -1 };
|
|
|
|
if (flags & RUN_COMMAND_NO_STDIN) {
|
|
#ifndef __MINGW32__
|
|
fd_i[0] = open("/dev/null", O_RDWR);
|
|
#else
|
|
fd_i[0] = open("nul", O_RDWR);
|
|
#endif
|
|
}
|
|
if (flags & RUN_COMMAND_STDOUT_TO_STDERR)
|
|
fd_o[1] = dup(2);
|
|
|
|
if (flags & RUN_GIT_CMD) {
|
|
pid = spawnv_git_cmd(argv, fd_i, fd_o);
|
|
} else {
|
|
pid = spawnvpe_pipe(argv[0], argv, environ, fd_i, fd_o);
|
|
}
|
|
if (pid < 0)
|
|
return -ERR_RUN_COMMAND_FORK;
|
|
for (;;) {
|
|
int status, code;
|
|
pid_t waiting = waitpid(pid, &status, 0);
|
|
|
|
if (waiting < 0) {
|
|
if (errno == EINTR)
|
|
continue;
|
|
error("waitpid failed (%s)", strerror(errno));
|
|
return -ERR_RUN_COMMAND_WAITPID;
|
|
}
|
|
if (waiting != pid)
|
|
return -ERR_RUN_COMMAND_WAITPID_WRONG_PID;
|
|
if (WIFSIGNALED(status))
|
|
return -ERR_RUN_COMMAND_WAITPID_SIGNAL;
|
|
|
|
if (!WIFEXITED(status))
|
|
return -ERR_RUN_COMMAND_WAITPID_NOEXIT;
|
|
code = WEXITSTATUS(status);
|
|
if (code)
|
|
return -code;
|
|
return 0;
|
|
}
|
|
}
|