receive-pack: allow hooks to ignore its standard input stream

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index f93ac454b4133f5c1e7cb1675a618b4c0b3174cd..516386fdd3b757ecde1402c1ce02e9be2f540b9f 100644 (file)
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -15,6 +15,7 @@
 #include "connected.h"
 #include "argv-array.h"
 #include "version.h"
+#include "sigchain.h"
 
 static const char receive_pack_usage[] = "git receive-pack <git-dir>";
 
@@ -288,6 +289,8 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
                return code;
        }
 
+       sigchain_push(SIGPIPE, SIG_IGN);
+
        while (1) {
                const char *buf;
                size_t n;
@@ -299,6 +302,9 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta
        close(proc.in);
        if (use_sideband)
                finish_async(&muxer);
+
+       sigchain_pop(SIGPIPE);
+
        return finish_command(&proc);
 }