Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
Documentation/fetch-options.txt | 4 ++++
builtin/fetch.c | 12 ++++++++++--
fetch-pack.c | 12 +++++++++++-
fetch-pack.h | 1 +
transport.c | 4 ++++
transport.h | 4 ++++
6 files changed, 34 insertions(+), 3 deletions(-)
diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index 45583d8..ff6e6ad 100644
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -13,6 +13,10 @@
to the specified number of commits from the tip of each remote
branch history. Tags for the deepened commits are not fetched.
+--since=<date>::
+ Deepen or shorten the history of a 'shallow' repository to
+ include all reachable commits after <date>.
+
--unshallow::
If the source repository is complete, convert a shallow
repository to a complete one, removing all the limitations
diff --git a/builtin/fetch.c b/builtin/fetch.c
index c85f347..3317152 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -36,8 +36,9 @@ static int prune = -1; /* unspecified */
static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity;
static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
-static int tags = TAGS_DEFAULT, unshallow, update_shallow;
+static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
static const char *depth;
+static const char *deepen_since;
static const char *upload_pack;
static struct strbuf default_rla = STRBUF_INIT;
static struct transport *gtransport;
@@ -112,6 +113,8 @@ static struct option builtin_fetch_options[] = {
OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
OPT_STRING(0, "depth", &depth, N_("depth"),
N_("deepen history of shallow clone")),
+ OPT_STRING(0, "since", &deepen_since, N_("time"),
+ N_("deepen history of shallow clone based on time")),
{ OPTION_SET_INT, 0, "unshallow", &unshallow, NULL,
N_("convert to a complete repository"),
PARSE_OPT_NONEG | PARSE_OPT_NOARG, NULL, 1 },
@@ -751,7 +754,7 @@ static int quickfetch(struct ref *ref_map)
* really need to perform. Claiming failure now will ensure
* we perform the network exchange to deepen our history.
*/
- if (depth)
+ if (deepen)
return -1;
return check_everything_connected(iterate_ref_map, 1, &rm);
}
@@ -867,6 +870,8 @@ static struct transport *prepare_transport(struct remote *remote)
set_option(transport, TRANS_OPT_KEEP, "yes");
if (depth)
set_option(transport, TRANS_OPT_DEPTH, depth);
+ if (deepen_since)
+ set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since);
if (update_shallow)
set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
return transport;
@@ -881,6 +886,7 @@ static void backfill_tags(struct transport *transport, struct ref *ref_map)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
transport_set_option(transport, TRANS_OPT_DEPTH, "0");
+ transport_set_option(transport, TRANS_OPT_DEEPEN_SINCE, NULL);
fetch_refs(transport, ref_map);
if (gsecondary) {
@@ -1164,6 +1170,8 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
/* no need to be strict, transport_set_option() will validate it again */
if (depth && atoi(depth) < 1)
die(_("depth %s is not a positive number"), depth);
+ if (depth || deepen_since)
+ deepen = 1;
if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
if (recurse_submodules_default) {
diff --git a/fetch-pack.c b/fetch-pack.c
index e947514..f26cef4 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -21,6 +21,7 @@ static int fetch_unpack_limit = -1;
static int unpack_limit = 100;
static int prefer_ofs_delta = 1;
static int no_done;
+static int deepen_since_ok;
static int fetch_fsck_objects = -1;
static int transfer_fsck_objects = -1;
static int agent_supported;
@@ -326,6 +327,7 @@ static int find_common(struct fetch_pack_args *args,
if (args->no_progress) strbuf_addstr(&c, " no-progress");
if (args->include_tag) strbuf_addstr(&c, " include-tag");
if (prefer_ofs_delta) strbuf_addstr(&c, " ofs-delta");
+ if (deepen_since_ok) strbuf_addstr(&c, " deepen-since");
if (agent_supported) strbuf_addf(&c, " agent=%s",
git_user_agent_sanitized());
packet_buf_write(&req_buf, "want %s%s\n", remote_hex, c.buf);
@@ -345,6 +347,10 @@ static int find_common(struct fetch_pack_args *args,
write_shallow_commits(&req_buf, 1, NULL);
if (args->depth > 0)
packet_buf_write(&req_buf, "deepen %d", args->depth);
+ if (args->deepen_since) {
+ unsigned long max_age = approxidate(args->deepen_since);
+ packet_buf_write(&req_buf, "deepen-since %lu", max_age);
+ }
packet_buf_flush(&req_buf);
state_len = req_buf.len;
@@ -813,7 +819,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
if ((args->depth > 0 || is_repository_shallow()) && !server_supports("shallow"))
die("Server does not support shallow clients");
- if (args->depth > 0)
+ if (args->depth > 0 || args->deepen_since)
args->deepen = 1;
if (server_supports("multi_ack_detailed")) {
print_verbose(args, "Server supports multi_ack_detailed");
@@ -861,6 +867,10 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
print_verbose(args, "Server version is %.*s",
agent_len, agent_feature);
}
+ if (server_supports("deepen-since"))
+ deepen_since_ok = 1;
+ else if (args->deepen_since)
+ die("Server does not support --since");
if (everything_local(args, &ref, sought, nr_sought)) {
packet_flush(fd[1]);
diff --git a/fetch-pack.h b/fetch-pack.h
index 4d0adb0..f7eadb2 100644
--- a/fetch-pack.h
+++ b/fetch-pack.h
@@ -10,6 +10,7 @@ struct fetch_pack_args {
const char *uploadpack;
int unpacklimit;
int depth;
+ const char *deepen_since;
unsigned quiet:1;
unsigned keep_pack:1;
unsigned lock_pack:1;
diff --git a/transport.c b/transport.c
index 67f3666..4902036 100644
--- a/transport.c
+++ b/transport.c
@@ -477,6 +477,9 @@ static int set_git_option(struct git_transport_options *opts,
die("transport: invalid depth option '%s'", value);
}
return 0;
+ } else if (!strcmp(name, TRANS_OPT_DEEPEN_SINCE)) {
+ opts->deepen_since = value;
+ return 0;
}
return 1;
}
@@ -530,6 +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.deepen_since = data->options.deepen_since;
args.check_self_contained_and_connected =
data->options.check_self_contained_and_connected;
args.cloning = transport->cloning;
diff --git a/transport.h b/transport.h
index 8ebaaf2..9c10a44 100644
--- a/transport.h
+++ b/transport.h
@@ -13,6 +13,7 @@ struct git_transport_options {
unsigned self_contained_and_connected : 1;
unsigned update_shallow : 1;
int depth;
+ const char *deepen_since;
const char *uploadpack;
const char *receivepack;
struct push_cas_option *cas;
@@ -171,6 +172,9 @@ int transport_restrict_protocols(void);
/* Limit the depth of the fetch if not null */
#define TRANS_OPT_DEPTH "depth"
+/* Limit the depth of the fetch based on time if not null */
+#define TRANS_OPT_DEEPEN_SINCE "deepen-since"
+
/* Aggressively fetch annotated tags if possible */
#define TRANS_OPT_FOLLOWTAGS "followtags"
--
2.3.0.rc1.137.g477eb31
--
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