[PATCH 2/3] fetch-pack: use args.shallow to detect shallow clone instead of args.depth

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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin/fetch-pack.c |   17 ++++++++++-------
 fetch-pack.h         |    3 ++-
 transport.c          |    9 +++++++--
 transport.h          |    1 +
 4 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index dbd8b7b..45d1824 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -167,7 +167,7 @@ enum ack_type {
 
 static void consume_shallow_list(int fd)
 {
-	if (args.stateless_rpc && args.depth > 0) {
+	if (args.stateless_rpc && args.shallow) {
 		/* If we sent a depth we will get back "duplicate"
 		 * shallow and unshallow commands every time there
 		 * is a block of have lines exchanged.
@@ -283,12 +283,12 @@ static int find_common(int fd[2], unsigned char *result_sha1,
 
 	if (is_repository_shallow())
 		write_shallow_commits(&req_buf, 1);
-	if (args.depth > 0)
+	if (args.shallow)
 		packet_buf_write(&req_buf, "deepen %d", args.depth);
 	packet_buf_flush(&req_buf);
 	state_len = req_buf.len;
 
-	if (args.depth > 0) {
+	if (args.shallow) {
 		char line[1024];
 		unsigned char sha1[20];
 
@@ -476,7 +476,7 @@ static void filter_refs(struct ref **refs, int nr_match, char **match)
 		    check_ref_format(ref->name + 5))
 			; /* trash */
 		else if (args.fetch_all &&
-			 (!args.depth || prefixcmp(ref->name, "refs/tags/") )) {
+			 (!args.shallow || prefixcmp(ref->name, "refs/tags/") )) {
 			*newtail = ref;
 			ref->next = NULL;
 			newtail = &ref->next;
@@ -534,7 +534,7 @@ static int everything_local(struct ref **refs, int nr_match, char **match)
 		}
 	}
 
-	if (!args.depth) {
+	if (!args.shallow) {
 		for_each_ref(mark_complete, NULL);
 		if (cutoff)
 			mark_recent_complete_commits(cutoff);
@@ -845,6 +845,9 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
 			}
 			if (!prefixcmp(arg, "--depth=")) {
 				args.depth = strtol(arg + 8, NULL, 0);
+				if (args.depth <= 0)
+					die("Invalid depth %d", args.depth);
+				args.shallow = 1;
 				continue;
 			}
 			if (!strcmp("--no-progress", arg)) {
@@ -928,7 +931,7 @@ struct ref *fetch_pack(struct fetch_pack_args *my_args,
 	fetch_pack_setup();
 	if (&args != my_args)
 		memcpy(&args, my_args, sizeof(args));
-	if (args.depth > 0) {
+	if (args.shallow) {
 		if (stat(git_path("shallow"), &st))
 			st.st_mtime = 0;
 	}
@@ -941,7 +944,7 @@ struct ref *fetch_pack(struct fetch_pack_args *my_args,
 	}
 	ref_cpy = do_fetch_pack(fd, ref, nr_heads, heads, pack_lockfile);
 
-	if (args.depth > 0) {
+	if (args.shallow) {
 		struct cache_time mtime;
 		struct strbuf sb = STRBUF_INIT;
 		char *shallow = git_path("shallow");
diff --git a/fetch-pack.h b/fetch-pack.h
index fbe85ac..abc1ab7 100644
--- a/fetch-pack.h
+++ b/fetch-pack.h
@@ -14,7 +14,8 @@ struct fetch_pack_args
 		verbose:1,
 		no_progress:1,
 		include_tag:1,
-		stateless_rpc:1;
+		stateless_rpc:1,
+		shallow:1;
 };
 
 struct ref *fetch_pack(struct fetch_pack_args *args,
diff --git a/transport.c b/transport.c
index 4dba6f8..cf7030b 100644
--- a/transport.c
+++ b/transport.c
@@ -470,10 +470,14 @@ static int set_git_option(struct git_transport_options *opts,
 		opts->keep = !!value;
 		return 0;
 	} else if (!strcmp(name, TRANS_OPT_DEPTH)) {
-		if (!value)
+		if (!value) {
 			opts->depth = 0;
-		else
+			opts->shallow = 0;
+		}
+		else {
 			opts->depth = atoi(value);
+			opts->shallow = 1;
+		}
 		return 0;
 	}
 	return 1;
@@ -529,6 +533,7 @@ static int fetch_refs_via_pack(struct transport *transport,
 	args.quiet = (transport->verbose < 0);
 	args.no_progress = !transport->progress;
 	args.depth = data->options.depth;
+	args.shallow = data->options.shallow;
 
 	for (i = 0; i < nr_heads; i++)
 		origh[i] = heads[i] = xstrdup(to_fetch[i]->name);
diff --git a/transport.h b/transport.h
index c59d973..e6ac4b1 100644
--- a/transport.h
+++ b/transport.h
@@ -8,6 +8,7 @@ struct git_transport_options {
 	unsigned thin : 1;
 	unsigned keep : 1;
 	unsigned followtags : 1;
+	unsigned shallow : 1;
 	int depth;
 	const char *uploadpack;
 	const char *receivepack;
-- 
1.7.1.rc1.69.g24c2f7

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