Sync with 2.30.9

* maint-2.30: (23 commits)
  Git 2.30.9
  gettext: avoid using gettext if the locale dir is not present
  apply --reject: overwrite existing `.rej` symlink if it exists
  http.c: clear the 'finished' member once we are done with it
  clone.c: avoid "exceeds maximum object size" error with GCC v12.x
  range-diff: use ssize_t for parsed "len" in read_patches()
  range-diff: handle unterminated lines in read_patches()
  range-diff: drop useless "offset" variable from read_patches()
  t5604: GETTEXT_POISON fix, conclusion
  t5604: GETTEXT_POISON fix, part 1
  t5619: GETTEXT_POISON fix
  t0003: GETTEXT_POISON fix, conclusion
  t0003: GETTEXT_POISON fix, part 1
  t0033: GETTEXT_POISON fix
  http: support CURLOPT_PROTOCOLS_STR
  http: prefer CURLOPT_SEEKFUNCTION to CURLOPT_IOCTLFUNCTION
  http-push: prefer CURLOPT_UPLOAD to CURLOPT_PUT
  ci: install python on ubuntu
  ci: use the same version of p4 on both Linux and macOS
  ci: remove the pipe after "p4 -V" to catch errors
  github-actions: run gcc-8 on ubuntu-20.04 image
  ...

1 files changed, 12 insertions, 2 deletions

diff --git a/apply.c b/apply.c
index 084c6dde7a..f69a7b4022 100644
--- a/apply.c
+++ b/apply.c
@@ -4558,7 +4558,7 @@ static int write_out_one_reject(struct apply_state *state, struct patch *patch)
 	FILE *rej;
 	char namebuf[PATH_MAX];
 	struct fragment *frag;
-	int cnt = 0;
+	int fd, cnt = 0;
 	struct strbuf sb = STRBUF_INIT;
 
 	for (cnt = 0, frag = patch->fragments; frag; frag = frag->next) {
@@ -4598,7 +4598,17 @@ static int write_out_one_reject(struct apply_state *state, struct patch *patch)
 	memcpy(namebuf, patch->new_name, cnt);
 	memcpy(namebuf + cnt, ".rej", 5);
 
-	rej = fopen(namebuf, "w");
+	fd = open(namebuf, O_CREAT | O_EXCL | O_WRONLY, 0666);
+	if (fd < 0) {
+		if (errno != EEXIST)
+			return error_errno(_("cannot open %s"), namebuf);
+		if (unlink(namebuf))
+			return error_errno(_("cannot unlink '%s'"), namebuf);
+		fd = open(namebuf, O_CREAT | O_EXCL | O_WRONLY, 0666);
+		if (fd < 0)
+			return error_errno(_("cannot open %s"), namebuf);
+	}
+	rej = fdopen(fd, "w");
 	if (!rej)
 		return error_errno(_("cannot open %s"), namebuf);