git/list[1] front-page[2] threads[3] people[4] search[5] about
 

[PATCH 07/26] upload-pack: use skip_prefix() instead of starts_with()

From
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date
Apr 13, 2016, 12:54 UTC
Message-ID
<1460552110-5554-8-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 | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/upload-pack.c b/upload-pack.c
index bfb7985..257ad48 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -276,7 +276,7 @@ static void create_pack_file(void)
 	die("git upload-pack: %s", abort_msg);
 }
 
-static int got_sha1(char *hex, unsigned char *sha1)
+static int got_sha1(const char *hex, unsigned char *sha1)
 {
 	struct object *o;
 	int we_knew_they_have = 0;
@@ -382,6 +382,8 @@ static int get_common_commits(void)
 
 	for (;;) {
 		char *line = packet_read_line(0, NULL);
+		const char *arg;
+
 		reset_timeout();
 
 		if (!line) {
@@ -403,8 +405,8 @@ static int get_common_commits(void)
 			got_other = 0;
 			continue;
 		}
-		if (starts_with(line, "have ")) {
-			switch (got_sha1(line+5, sha1)) {
+		if (skip_prefix(line, "have ", &arg)) {
+			switch (got_sha1(arg, sha1)) {
 			case -1: /* they have what we do not */
 				got_other = 1;
 				if (multi_ack && ok_to_give_up()) {
@@ -616,14 +618,16 @@ static void receive_needs(void)
 		const char *features;
 		unsigned char sha1_buf[20];
 		char *line = packet_read_line(0, NULL);
+		const char *arg;
+
 		reset_timeout();
 		if (!line)
 			break;
 
-		if (starts_with(line, "shallow ")) {
+		if (skip_prefix(line, "shallow ", &arg)) {
 			unsigned char sha1[20];
 			struct object *object;
-			if (get_sha1_hex(line + 8, sha1))
+			if (get_sha1_hex(arg, sha1))
 				die("invalid shallow line: %s", line);
 			object = parse_object(sha1);
 			if (!object)
@@ -636,19 +640,19 @@ static void receive_needs(void)
 			}
 			continue;
 		}
-		if (starts_with(line, "deepen ")) {
+		if (skip_prefix(line, "deepen ", &arg)) {
 			char *end;
-			depth = strtol(line + 7, &end, 0);
-			if (end == line + 7 || depth <= 0)
+			depth = strtol(arg, &end, 0);
+			if (end == arg || depth <= 0)
 				die("Invalid deepen: %s", line);
 			continue;
 		}
-		if (!starts_with(line, "want ") ||
-		    get_sha1_hex(line+5, sha1_buf))
+		if (!skip_prefix(line, "want ", &arg) ||
+		    get_sha1_hex(arg, sha1_buf))
 			die("git upload-pack: protocol error, "
 			    "expected to get sha, not '%s'", line);
 
-		features = line + 45;
+		features = arg + 40;
 
 		if (parse_feature_request(features, "multi_ack_detailed"))
 			multi_ack = 2;
-- 
2.8.0.rc0.210.gd302cd2
Previous: Nguyễn Thái Ngọc DuyNext: Eric Sunshine
Message 10 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

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.