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[PATCH 24/26] upload-pack: split check_unreachable() in two, prep for get_reachable_list()

From
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date
Apr 13, 2016, 12:55 UTC
Message-ID
<1460552110-5554-25-git-send-email-pclouds@gmail.com>
In-Reply-To
<1460552110-5554-1-git-send-email-pclouds@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 upload-pack.c | 41 ++++++++++++++++++++++++++---------------
 1 file changed, 26 insertions(+), 15 deletions(-)
diff --git a/upload-pack.c b/upload-pack.c
index 95a0bfb..9e4a4fa 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -452,24 +452,24 @@ static int is_our_ref(struct object *o)
 	return o->flags & ((allow_hidden_ref ? HIDDEN_REF : 0) | OUR_REF);
 }
 
-static int check_unreachable(struct object_array *src)
+static int do_reachable_revlist(struct child_process *cmd,
+				struct object_array *src)
 {
 	static const char *argv[] = {
 		"rev-list", "--stdin", NULL,
 	};
-	static struct child_process cmd = CHILD_PROCESS_INIT;
 	struct object *o;
 	char namebuf[42]; /* ^ + SHA-1 + LF */
 	int i;
 
-	cmd.argv = argv;
-	cmd.git_cmd = 1;
-	cmd.no_stderr = 1;
-	cmd.in = -1;
-	cmd.out = -1;
+	cmd->argv = argv;
+	cmd->git_cmd = 1;
+	cmd->no_stderr = 1;
+	cmd->in = -1;
+	cmd->out = -1;
 
-	if (start_command(&cmd))
-		return 0;
+	if (start_command(cmd))
+		return -1;
 
 	/*
 	 * If rev-list --stdin encounters an unknown commit, it
@@ -487,8 +487,8 @@ static int check_unreachable(struct object_array *src)
 		if (!is_our_ref(o))
 			continue;
 		memcpy(namebuf + 1, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ);
-		if (write_in_full(cmd.in, namebuf, 42) < 0)
-			return 0;
+		if (write_in_full(cmd->in, namebuf, 42) < 0)
+			return -1;
 	}
 	namebuf[40] = '\n';
 	for (i = 0; i < src->nr; i++) {
@@ -496,18 +496,29 @@ static int check_unreachable(struct object_array *src)
 		if (is_our_ref(o))
 			continue;
 		memcpy(namebuf, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ);
-		if (write_in_full(cmd.in, namebuf, 41) < 0)
-			return 0;
+		if (write_in_full(cmd->in, namebuf, 41) < 0)
+			return -1;
 	}
-	close(cmd.in);
+	close(cmd->in);
 
 	sigchain_pop(SIGPIPE);
+	return 0;
+}
+
+static int check_unreachable(struct object_array *src)
+{
+	struct child_process cmd = CHILD_PROCESS_INIT;
+	int i, ret = do_reachable_revlist(&cmd, src);
+	char buf[1];
+
+	if (ret < 0)
+		return 0;
 
 	/*
 	 * The commits out of the rev-list are not ancestors of
 	 * our ref.
 	 */
-	i = read_in_full(cmd.out, namebuf, 1);
+	i = read_in_full(cmd.out, buf, 1);
 	if (i)
 		return 0;
 	close(cmd.out);
-- 
2.8.0.rc0.210.gd302cd2
Previous: Eric SunshineNext: Eric Sunshine
Message 34 of 40 in “nd/shallow-deepen updates”
  1. 00/26 nd/shallow-deepen updatesNguyễn Thái Ngọc Duy, Apr 13, 2016
  2. 01/26 remote-curl.c: convert fetch_git() to use argv_arrayNguyễn Thái Ngọc Duy, Apr 13, 2016
  3. Eric SunshineMay 25, 2016
  4. 02/26 transport-helper.c: refactor set_helper_option()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  5. Eric SunshineMay 25, 2016
  6. 03/26 upload-pack: move shallow deepen code out of receive_needs()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  7. 04/26 upload-pack: move "shallow" sending code out of deepen()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  8. 05/26 upload-pack: remove unused variable "backup"Nguyễn Thái Ngọc Duy, Apr 13, 2016
  9. 06/26 upload-pack: move "unshallow" sending code out of deepen()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  10. 07/26 upload-pack: use skip_prefix() instead of starts_with()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  11. Eric SunshineMay 25, 2016
  12. 08/26 upload-pack: tighten number parsing at "deepen" linesNguyễn Thái Ngọc Duy, Apr 13, 2016
  13. 09/26 upload-pack: move rev-list code out of check_non_tip()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  14. Eric SunshineMay 25, 2016
  15. 10/26 fetch-pack: use skip_prefix() instead of starts_with()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  16. 11/26 fetch-pack: use a common function for verbose printingNguyễn Thái Ngọc Duy, Apr 13, 2016
  17. 12/26 fetch-pack.c: mark strings for translatingNguyễn Thái Ngọc Duy, Apr 13, 2016
  18. 13/26 fetch-pack: use a separate flag for fetch in deepening modeNguyễn Thái Ngọc Duy, Apr 13, 2016
  19. 14/26 shallow.c: implement a generic shallow boundary finder based on rev-listNguyễn Thái Ngọc Duy, Apr 13, 2016
  20. Eric SunshineMay 27, 2016
  21. 15/26 upload-pack: add deepen-since to cut shallow repos based on timeNguyễn Thái Ngọc Duy, Apr 13, 2016
  22. 16/26 fetch: define shallow boundary with --shallow-sinceNguyễn Thái Ngọc Duy, Apr 13, 2016
  23. 17/26 clone: define shallow clone boundary based on time with --shallow-sinceNguyễn Thái Ngọc Duy, Apr 13, 2016
  24. 18/26 t5500, t5539: tests for shallow depth since a specific dateNguyễn Thái Ngọc Duy, Apr 13, 2016
  25. Eric SunshineJun 5, 2016
  26. 19/26 refs: add expand_ref()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  27. 20/26 upload-pack: support define shallow boundary by excluding revisionsNguyễn Thái Ngọc Duy, Apr 13, 2016
  28. 21/26 fetch: define shallow boundary with --shallow-excludeNguyễn Thái Ngọc Duy, Apr 13, 2016
  29. Eric SunshineJun 5, 2016
  30. 22/26 clone: define shallow clone boundary with --shallow-excludeNguyễn Thái Ngọc Duy, Apr 13, 2016
  31. Eric SunshineJun 5, 2016
  32. 23/26 t5500, t5539: tests for shallow depth excluding a refNguyễn Thái Ngọc Duy, Apr 13, 2016
  33. Eric SunshineJun 5, 2016
  34. 24/26 upload-pack: split check_unreachable() in two, prep for get_reachable_list()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  35. Eric SunshineJun 5, 2016
  36. Duy NguyenJun 10, 2016
  37. 25/26 upload-pack: add get_reachable_list()Nguyễn Thái Ngọc Duy, Apr 13, 2016
  38. Eric SunshineJun 5, 2016
  39. 26/26 fetch, upload-pack: --deepen=N extends shallow boundary by N commitsNguyễn Thái Ngọc Duy, Apr 13, 2016
  40. Junio C HamanoApr 14, 2016

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