| #include "cache.h" |
| #include "exec_cmd.h" |
| |
| /* |
| * Many parts of Git have subprograms communicate via pipe, expect the |
| * upstream of a pipe to die with SIGPIPE when the downstream of a |
| * pipe does not need to read all that is written. Some third-party |
| * programs that ignore or block SIGPIPE for their own reason forget |
| * to restore SIGPIPE handling to the default before spawning Git and |
| * break this carefully orchestrated machinery. |
| * |
| * Restore the way SIGPIPE is handled to default, which is what we |
| * expect. |
| */ |
| static void restore_sigpipe_to_default(void) |
| { |
| sigset_t unblock; |
| |
| sigemptyset(&unblock); |
| sigaddset(&unblock, SIGPIPE); |
| sigprocmask(SIG_UNBLOCK, &unblock, NULL); |
| signal(SIGPIPE, SIG_DFL); |
| } |
| |
| int main(int argc, const char **argv) |
| { |
| /* |
| * Always open file descriptors 0/1/2 to avoid clobbering files |
| * in die(). It also avoids messing up when the pipes are dup'ed |
| * onto stdin/stdout/stderr in the child processes we spawn. |
| */ |
| sanitize_stdfds(); |
| |
| git_setup_gettext(); |
| |
| argv[0] = git_extract_argv0_path(argv[0]); |
| |
| restore_sigpipe_to_default(); |
| |
| return cmd_main(argc, argv); |
| } |