t/t5515-fetch-merge-logic.sh: use the $( ... ) construct for command substitution

diff --git a/builtin/commit.c b/builtin/commit.c
index 6aac5e284c589085668707aff3ac91470dc17ff7..d054f849606b248a82f7b29103308feab36ca9e9 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -32,6 +32,7 @@
 #include "sequencer.h"
 #include "notes-utils.h"
 #include "mailmap.h"
+#include "sigchain.h"
 
 static const char * const builtin_commit_usage[] = {
        N_("git commit [<options>] [--] <pathspec>..."),
@@ -1537,8 +1538,10 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
                return code;
        n = snprintf(buf, sizeof(buf), "%s %s\n",
                     sha1_to_hex(oldsha1), sha1_to_hex(newsha1));
+       sigchain_push(SIGPIPE, SIG_IGN);
        write_in_full(proc.in, buf, n);
        close(proc.in);
+       sigchain_pop(SIGPIPE);
        return finish_command(&proc);
 }