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[PATCH 4/7] Move setup_alternate_shallow and write_shallow_commits to shallow.c

From
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date
Jul 17, 2013, 12:47 UTC
Message-ID
<1374065234-870-5-git-send-email-pclouds@gmail.com>
In-Reply-To
<1374065234-870-1-git-send-email-pclouds@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 commit.h     |  3 +++
 fetch-pack.c | 53 +----------------------------------------------------
 shallow.c    | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 57 insertions(+), 52 deletions(-)
diff --git a/commit.h b/commit.h
index e0688c3..678fa20 100644
--- a/commit.h
+++ b/commit.h
@@ -188,6 +188,9 @@ extern struct commit_list *get_shallow_commits(struct object_array *heads,
 extern void check_shallow_file_for_update(void);
 extern void set_alternate_shallow_file(const char *path);
 extern void advertise_shallow_grafts(int);
+extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol);
+extern void setup_alternate_shallow(struct lock_file *shallow_lock,
+				    const char **alternate_shallow_file);
 
 int is_descendant_of(struct commit *, struct commit_list *);
 int in_merge_bases(struct commit *, struct commit *);
diff --git a/fetch-pack.c b/fetch-pack.c
index abe5ffb..dc71a2b 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -185,36 +185,6 @@ static void consume_shallow_list(struct fetch_pack_args *args, int fd)
 	}
 }
 
-struct write_shallow_data {
-	struct strbuf *out;
-	int use_pack_protocol;
-	int count;
-};
-
-static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
-{
-	struct write_shallow_data *data = cb_data;
-	const char *hex = sha1_to_hex(graft->sha1);
-	data->count++;
-	if (data->use_pack_protocol)
-		packet_buf_write(data->out, "shallow %s", hex);
-	else {
-		strbuf_addstr(data->out, hex);
-		strbuf_addch(data->out, '\n');
-	}
-	return 0;
-}
-
-static int write_shallow_commits(struct strbuf *out, int use_pack_protocol)
-{
-	struct write_shallow_data data;
-	data.out = out;
-	data.use_pack_protocol = use_pack_protocol;
-	data.count = 0;
-	for_each_commit_graft(write_one_shallow, &data);
-	return data.count;
-}
-
 static enum ack_type get_ack(int fd, unsigned char *result_sha1)
 {
 	int len;
@@ -795,27 +765,6 @@ static int cmp_ref_by_name(const void *a_, const void *b_)
 	return strcmp(a->name, b->name);
 }
 
-static void setup_alternate_shallow(void)
-{
-	struct strbuf sb = STRBUF_INIT;
-	int fd;
-
-	check_shallow_file_for_update();
-	fd = hold_lock_file_for_update(&shallow_lock, git_path("shallow"),
-				       LOCK_DIE_ON_ERROR);
-	if (write_shallow_commits(&sb, 0)) {
-		if (write_in_full(fd, sb.buf, sb.len) != sb.len)
-			die_errno("failed to write to %s", shallow_lock.filename);
-		alternate_shallow_file = shallow_lock.filename;
-	} else
-		/*
-		 * is_repository_shallow() sees empty string as "no
-		 * shallow file".
-		 */
-		alternate_shallow_file = "";
-	strbuf_release(&sb);
-}
-
 static struct ref *do_fetch_pack(struct fetch_pack_args *args,
 				 int fd[2],
 				 const struct ref *orig_ref,
@@ -896,7 +845,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
 	if (args->stateless_rpc)
 		packet_flush(fd[1]);
 	if (args->depth > 0)
-		setup_alternate_shallow();
+		setup_alternate_shallow(&shallow_lock, &alternate_shallow_file);
 	if (get_pack(args, fd, pack_lockfile))
 		die("git fetch-pack: fetch failed.");
 
diff --git a/shallow.c b/shallow.c
index ccdfefc..ee9edd4 100644
--- a/shallow.c
+++ b/shallow.c
@@ -162,3 +162,56 @@ void advertise_shallow_grafts(int fd)
 		return;
 	for_each_commit_graft(advertise_shallow_grafts_cb, &fd);
 }
+
+struct write_shallow_data {
+	struct strbuf *out;
+	int use_pack_protocol;
+	int count;
+};
+
+static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
+{
+	struct write_shallow_data *data = cb_data;
+	const char *hex = sha1_to_hex(graft->sha1);
+	data->count++;
+	if (data->use_pack_protocol)
+		packet_buf_write(data->out, "shallow %s", hex);
+	else {
+		strbuf_addstr(data->out, hex);
+		strbuf_addch(data->out, '\n');
+	}
+	return 0;
+}
+
+int write_shallow_commits(struct strbuf *out, int use_pack_protocol)
+{
+	struct write_shallow_data data;
+	data.out = out;
+	data.use_pack_protocol = use_pack_protocol;
+	data.count = 0;
+	for_each_commit_graft(write_one_shallow, &data);
+	return data.count;
+}
+
+void setup_alternate_shallow(struct lock_file *shallow_lock,
+			     const char **alternate_shallow_file)
+{
+	struct strbuf sb = STRBUF_INIT;
+	int fd;
+
+	check_shallow_file_for_update();
+	fd = hold_lock_file_for_update(shallow_lock, git_path("shallow"),
+				       LOCK_DIE_ON_ERROR);
+	if (write_shallow_commits(&sb, 0)) {
+		if (write_in_full(fd, sb.buf, sb.len) != sb.len)
+			die_errno("failed to write to %s",
+				  shallow_lock->filename);
+		*alternate_shallow_file = shallow_lock->filename;
+	} else
+		/*
+		 * is_repository_shallow() sees empty string as "no
+		 * shallow file".
+		 */
+		*alternate_shallow_file = "";
+	strbuf_release(&sb);
+}
-- 
1.8.2.83.gc99314b
Previous: Junio C HamanoNext: Nguyễn Thái Ngọc Duy
Message 6 of 44 in “First class shallow clone”
  1. 0/7 First class shallow cloneNguyễn Thái Ngọc Duy, Jul 17, 2013
  2. 1/7 transport.h: remove send_pack prototype, already defined in send-pack.hNguyễn Thái Ngọc Duy, Jul 17, 2013
  3. 2/7 {receive,upload}-pack: advertise shallow graft informationNguyễn Thái Ngọc Duy, Jul 17, 2013
  4. 3/7 connect.c: teach get_remote_heads to parse "shallow" linesNguyễn Thái Ngọc Duy, Jul 17, 2013
  5. Junio C HamanoJul 20, 2013
  6. 4/7 Move setup_alternate_shallow and write_shallow_commits to shallow.cNguyễn Thái Ngọc Duy, Jul 17, 2013
  7. 5/7 fetch-pack: support fetching from a shallow repositoryNguyễn Thái Ngọc Duy, Jul 17, 2013
  8. Junio C HamanoJul 20, 2013
  9. 6/7 {send,receive}-pack: support pushing from a shallow cloneNguyễn Thái Ngọc Duy, Jul 17, 2013
  10. 7/7 send-pack: support pushing to a shallow cloneNguyễn Thái Ngọc Duy, Jul 17, 2013
  11. 00/16 First class shallow cloneNguyễn Thái Ngọc Duy, Jul 20, 2013
  12. 01/16 send-pack: forbid pushing from a shallow repositoryNguyễn Thái Ngọc Duy, Jul 20, 2013
  13. 02/16 {receive,upload}-pack: advertise shallow graft informationNguyễn Thái Ngọc Duy, Jul 20, 2013
  14. 03/16 connect.c: teach get_remote_heads to parse "shallow" linesNguyễn Thái Ngọc Duy, Jul 20, 2013
  15. 04/16 Move setup_alternate_shallow and write_shallow_commits to shallow.cNguyễn Thái Ngọc Duy, Jul 20, 2013
  16. 05/16 fetch-pack: support fetching from a shallow repositoryNguyễn Thái Ngọc Duy, Jul 20, 2013
  17. Philip OakleyJul 22, 2013
  18. Duy NguyenJul 23, 2013
  19. Duy NguyenJul 23, 2013
  20. 06/16 {send,receive}-pack: support pushing from a shallow cloneNguyễn Thái Ngọc Duy, Jul 20, 2013
  21. 07/16 send-pack: support pushing to a shallow cloneNguyễn Thái Ngọc Duy, Jul 20, 2013
  22. 08/16 upload-pack: let pack-objects do the object counting in shallow caseNguyễn Thái Ngọc Duy, Jul 20, 2013
  23. 09/16 pack-protocol.txt: a bit about smart httpNguyễn Thái Ngọc Duy, Jul 20, 2013
  24. 10/16 Add document for command arguments for supporting smart httpNguyễn Thái Ngọc Duy, Jul 20, 2013
  25. 11/16 {fetch,upload}-pack: support fetching from a shallow clone via smart httpNguyễn Thái Ngọc Duy, Jul 20, 2013
  26. 12/16 receive-pack: support pushing to a shallow clone via httpNguyễn Thái Ngọc Duy, Jul 20, 2013
  27. 13/16 send-pack: support pushing from a shallow clone via httpNguyễn Thái Ngọc Duy, Jul 20, 2013
  28. 14/16 git-clone.txt: remove shallow clone limitationsNguyễn Thái Ngọc Duy, Jul 20, 2013
  29. 15/16 config: add core.noshallow to prevent turning a repo into a shallow oneNguyễn Thái Ngọc Duy, Jul 20, 2013
  30. Philip OakleyJul 22, 2013
  31. Duy NguyenJul 23, 2013
  32. Junio C HamanoJul 23, 2013
  33. Philip OakleyJul 23, 2013
  34. 16/16 clone: use git protocol for cloning shallow repo locallyNguyễn Thái Ngọc Duy, Jul 20, 2013
  35. Philip OakleyJul 22, 2013
  36. Duy NguyenJul 23, 2013
  37. Junio C HamanoJul 23, 2013
  38. Duy NguyenJul 23, 2013
  39. Philip OakleyJul 23, 2013
  40. Duy NguyenJul 24, 2013
  41. Philip OakleyJul 24, 2013
  42. Piotr KrukowieckiJul 24, 2013
  43. Duy NguyenJul 24, 2013
  44. Piotr KrukowieckiJul 24, 2013

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