Merge branch 'maint'

* maint:
  http: treat config options sslCAPath and sslCAInfo as paths
  Documentation/diff: give --word-diff-regex=. example
  filter-branch: deal with object name vs. pathname ambiguity in tree-filter
  check-ignore: correct documentation about output
  git-p4: clean up after p4 submit failure
  git-p4: work with a detached head
  git-p4: add option to system() to return subshell status
  git-p4: add failing test for submit from detached head
  remote-http(s): support SOCKS proxies
  t5813: avoid creating urls that break on cygwin
  Escape Git's exec path in contrib/rerere-train.sh script
  allow hooks to ignore their standard input stream
  rebase-i-exec: Allow space in SHELL_PATH
  Documentation: make environment variable formatting more consistent

1 files changed, 3 insertions, 0 deletions

diff --git a/builtin/commit.c b/builtin/commit.c
index dca09e2c3b..f2a8b78c7a 100644
--- 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);
 }