diff options
Diffstat (limited to 'run-command.c')
| -rw-r--r-- | run-command.c | 52 |
1 files changed, 29 insertions, 23 deletions
diff --git a/run-command.c b/run-command.c index 1101ef7237..765c2ce056 100644 --- a/run-command.c +++ b/run-command.c @@ -226,7 +226,7 @@ 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 +242,14 @@ 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 +273,8 @@ 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 +287,7 @@ 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 +303,7 @@ 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 +321,10 @@ 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; } @@ -336,6 +341,7 @@ fail_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 @@ -397,16 +403,6 @@ fail_pipe: unsetenv(*cmd->env); } } - if (cmd->preexec_cb) { - /* - * We cannot predict what the pre-exec callback does. - * Forgo parent notification. - */ - close(child_notifier); - child_notifier = -1; - - cmd->preexec_cb(); - } if (cmd->git_cmd) { execv_git_cmd(cmd->argv); } else if (cmd->use_shell) { @@ -425,7 +421,7 @@ 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); @@ -442,8 +438,7 @@ 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; } @@ -548,7 +543,7 @@ 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) @@ -735,7 +730,7 @@ 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); @@ -745,6 +740,15 @@ 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; @@ -754,11 +758,13 @@ 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); |