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[PATCH v2 11/16] setup_temporary_shallow(): use tempfile module

From
Michael Haggerty <mhagger@alum.mit.edu>
Date
Aug 10, 2015, 09:47 UTC
Message-ID
<8d770afe87ff1b667cfd7731bf1084a69b64cf94.1439198011.git.mhagger@alum.mit.edu>
In-Reply-To
<cover.1439198011.git.mhagger@alum.mit.edu>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 shallow.c | 35 +++++++----------------------------
 1 file changed, 7 insertions(+), 28 deletions(-)
diff --git a/shallow.c b/shallow.c
index 7973e74..2ba29a5 100644
--- a/shallow.c
+++ b/shallow.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "tempfile.h"
 #include "lockfile.h"
 #include "commit.h"
 #include "tag.h"
@@ -208,50 +209,28 @@ int write_shallow_commits(struct strbuf *out, int use_pack_protocol,
 	return write_shallow_commits_1(out, use_pack_protocol, extra, 0);
 }
 
-static struct strbuf temporary_shallow = STRBUF_INIT;
-
-static void remove_temporary_shallow(void)
-{
-	if (temporary_shallow.len) {
-		unlink_or_warn(temporary_shallow.buf);
-		strbuf_reset(&temporary_shallow);
-	}
-}
-
-static void remove_temporary_shallow_on_signal(int signo)
-{
-	remove_temporary_shallow();
-	sigchain_pop(signo);
-	raise(signo);
-}
+static struct tempfile temporary_shallow;
 
 const char *setup_temporary_shallow(const struct sha1_array *extra)
 {
 	struct strbuf sb = STRBUF_INIT;
 	int fd;
 
-	if (temporary_shallow.len)
-		die("BUG: attempt to create two temporary shallow files");
-
 	if (write_shallow_commits(&sb, 0, extra)) {
-		strbuf_addstr(&temporary_shallow, git_path("shallow_XXXXXX"));
-		fd = xmkstemp(temporary_shallow.buf);
-
-		atexit(remove_temporary_shallow);
-		sigchain_push_common(remove_temporary_shallow_on_signal);
+		fd = xmks_tempfile(&temporary_shallow, git_path("shallow_XXXXXX"));
 
 		if (write_in_full(fd, sb.buf, sb.len) != sb.len)
 			die_errno("failed to write to %s",
-				  temporary_shallow.buf);
-		close(fd);
+				  get_tempfile_path(&temporary_shallow));
+		close_tempfile(&temporary_shallow);
 		strbuf_release(&sb);
-		return temporary_shallow.buf;
+		return get_tempfile_path(&temporary_shallow);
 	}
 	/*
 	 * is_repository_shallow() sees empty string as "no shallow
 	 * file".
 	 */
-	return temporary_shallow.buf;
+	return get_tempfile_path(&temporary_shallow);
 }
 
 void setup_alternate_shallow(struct lock_file *shallow_lock,
-- 
2.5.0
Previous: Michael HaggertyNext: Michael Haggerty
Message 16 of 29 in “Introduce a tempfile module”
  1. 00/16 Introduce a tempfile moduleMichael Haggerty, Aug 10, 2015
  2. 01/16 Move lockfile documentation to lockfile.h and lockfile.cMichael Haggerty, Aug 10, 2015
  3. Junio C HamanoAug 11, 2015
  4. 02/16 create_bundle(): duplicate file descriptor to avoid closing it twiceMichael Haggerty, Aug 10, 2015
  5. 03/16 lockfile: add accessors get_lock_file_fd() and get_lock_file_fp()Michael Haggerty, Aug 10, 2015
  6. Junio C HamanoAug 11, 2015
  7. 04/16 lockfile: add accessor get_lock_file_path()Michael Haggerty, Aug 10, 2015
  8. Junio C HamanoAug 11, 2015
  9. 05/16 commit_lock_file(): use get_locked_file_path()Michael Haggerty, Aug 10, 2015
  10. 06/16 tempfile: a new module for handling temporary filesMichael Haggerty, Aug 10, 2015
  11. 07/16 prepare_tempfile_object(): new function, extracted from create_tempfile()Michael Haggerty, Aug 10, 2015
  12. Junio C HamanoAug 11, 2015
  13. 08/16 tempfile: add several functions for creating temporary filesMichael Haggerty, Aug 10, 2015
  14. 09/16 register_tempfile(): new function to handle an existing temporary fileMichael Haggerty, Aug 10, 2015
  15. 10/16 write_shared_index(): use tempfile moduleMichael Haggerty, Aug 10, 2015
  16. 11/16 setup_temporary_shallow(): use tempfile moduleMichael Haggerty, Aug 10, 2015
  17. 12/16 diff: use tempfile moduleMichael Haggerty, Aug 10, 2015
  18. Junio C HamanoAug 11, 2015
  19. Michael HaggertyAug 12, 2015
  20. Junio C HamanoAug 12, 2015
  21. 12/16 diff: use tempfile moduleMichael Haggerty, Aug 12, 2015
  22. 13/16 lock_repo_for_gc(): compute the path to "gc.pid" only onceMichael Haggerty, Aug 10, 2015
  23. Junio C HamanoAug 11, 2015
  24. Junio C HamanoAug 11, 2015
  25. 14/16 gc: use tempfile module to handle gc.pid fileMichael Haggerty, Aug 10, 2015
  26. 15/16 credential-cache--daemon: delete socket from main()Michael Haggerty, Aug 10, 2015
  27. 16/16 credential-cache--daemon: use tempfile moduleMichael Haggerty, Aug 10, 2015
  28. Junio C HamanoAug 11, 2015
  29. Michael HaggertyAug 12, 2015

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