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Commit | Line | Data |
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57f5d52a | 1 | #include "cache.h" |
650c4492 | 2 | #include "exec_cmd.h" |
3f2e2297 | 3 | |
12e0437f JK |
4 | /* |
5 | * Many parts of Git have subprograms communicate via pipe, expect the | |
6 | * upstream of a pipe to die with SIGPIPE when the downstream of a | |
7 | * pipe does not need to read all that is written. Some third-party | |
8 | * programs that ignore or block SIGPIPE for their own reason forget | |
9 | * to restore SIGPIPE handling to the default before spawning Git and | |
10 | * break this carefully orchestrated machinery. | |
11 | * | |
12 | * Restore the way SIGPIPE is handled to default, which is what we | |
13 | * expect. | |
14 | */ | |
15 | static void restore_sigpipe_to_default(void) | |
16 | { | |
17 | sigset_t unblock; | |
18 | ||
19 | sigemptyset(&unblock); | |
20 | sigaddset(&unblock, SIGPIPE); | |
21 | sigprocmask(SIG_UNBLOCK, &unblock, NULL); | |
22 | signal(SIGPIPE, SIG_DFL); | |
23 | } | |
24 | ||
08aade70 | 25 | int main(int argc, const char **argv) |
3f2e2297 | 26 | { |
57f5d52a JK |
27 | /* |
28 | * Always open file descriptors 0/1/2 to avoid clobbering files | |
29 | * in die(). It also avoids messing up when the pipes are dup'ed | |
30 | * onto stdin/stdout/stderr in the child processes we spawn. | |
31 | */ | |
32 | sanitize_stdfds(); | |
33 | ||
5ce5f5fa JK |
34 | git_setup_gettext(); |
35 | ||
6854a8f5 | 36 | git_extract_argv0_path(argv[0]); |
650c4492 | 37 | |
12e0437f JK |
38 | restore_sigpipe_to_default(); |
39 | ||
3f2e2297 JK |
40 | return cmd_main(argc, argv); |
41 | } |