Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
Documentation/fetch-options.txt | 5 +++++
builtin/fetch.c | 17 ++++++++++++++++-
fetch-pack.c | 15 ++++++++++++++-
fetch-pack.h | 1 +
transport.c | 4 ++++
transport.h | 6 ++++++
6 files changed, 46 insertions(+), 2 deletions(-)
diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index ff6e6ad..39fbcc3 100644
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -17,6 +17,11 @@
Deepen or shorten the history of a 'shallow' repository to
include all reachable commits after <date>.
+--not=<revision>::
+ Deepen or shorten the history of a 'shallow' repository to
+ exclude commits reachable from a specified remote branch or tag.
+ This option can be specified multiple times.
+
--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 3317152..02a50e4 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -40,6 +40,7 @@ static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
static const char *depth;
static const char *deepen_since;
static const char *upload_pack;
+struct string_list deepen_not = STRING_LIST_INIT_NODUP;
static struct strbuf default_rla = STRBUF_INIT;
static struct transport *gtransport;
static struct transport *gsecondary;
@@ -49,6 +50,13 @@ static int shown_url = 0;
static int refmap_alloc, refmap_nr;
static const char **refmap_array;
+static int option_parse_deepen_not(const struct option *opt,
+ const char *arg, int unset)
+{
+ string_list_append(&deepen_not, arg);
+ return 0;
+}
+
static int option_parse_recurse_submodules(const struct option *opt,
const char *arg, int unset)
{
@@ -115,6 +123,9 @@ static struct option builtin_fetch_options[] = {
N_("deepen history of shallow clone")),
OPT_STRING(0, "since", &deepen_since, N_("time"),
N_("deepen history of shallow clone based on time")),
+ { OPTION_CALLBACK, 0, "not", NULL, N_("revision"),
+ N_("deepen history of shallow clone by excluding rev"),
+ PARSE_OPT_NONEG, option_parse_deepen_not },
{ OPTION_SET_INT, 0, "unshallow", &unshallow, NULL,
N_("convert to a complete repository"),
PARSE_OPT_NONEG | PARSE_OPT_NOARG, NULL, 1 },
@@ -872,6 +883,9 @@ static struct transport *prepare_transport(struct remote *remote)
set_option(transport, TRANS_OPT_DEPTH, depth);
if (deepen_since)
set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since);
+ if (deepen_not.nr)
+ set_option(transport, TRANS_OPT_DEEPEN_NOT,
+ (const char *)&deepen_not);
if (update_shallow)
set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
return transport;
@@ -887,6 +901,7 @@ 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);
+ transport_set_option(transport, TRANS_OPT_DEEPEN_NOT, NULL);
fetch_refs(transport, ref_map);
if (gsecondary) {
@@ -1170,7 +1185,7 @@ 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)
+ if (depth || deepen_since || deepen_not.nr)
deepen = 1;
if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
diff --git a/fetch-pack.c b/fetch-pack.c
index f26cef4..45f69de 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -22,6 +22,7 @@ static int unpack_limit = 100;
static int prefer_ofs_delta = 1;
static int no_done;
static int deepen_since_ok;
+static int deepen_not_ok;
static int fetch_fsck_objects = -1;
static int transfer_fsck_objects = -1;
static int agent_supported;
@@ -328,6 +329,7 @@ static int find_common(struct fetch_pack_args *args,
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 (deepen_not_ok) strbuf_addstr(&c, " deepen-not");
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);
@@ -351,6 +353,13 @@ static int find_common(struct fetch_pack_args *args,
unsigned long max_age = approxidate(args->deepen_since);
packet_buf_write(&req_buf, "deepen-since %lu", max_age);
}
+ if (args->deepen_not) {
+ int i;
+ for (i = 0; i < args->deepen_not->nr; i++) {
+ struct string_list_item *s = args->deepen_not->items + i;
+ packet_buf_write(&req_buf, "deepen-not %s", s->string);
+ }
+ }
packet_buf_flush(&req_buf);
state_len = req_buf.len;
@@ -819,7 +828,7 @@ 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 || args->deepen_since)
+ if (args->depth > 0 || args->deepen_since || args->deepen_not)
args->deepen = 1;
if (server_supports("multi_ack_detailed")) {
print_verbose(args, "Server supports multi_ack_detailed");
@@ -871,6 +880,10 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
deepen_since_ok = 1;
else if (args->deepen_since)
die("Server does not support --since");
+ if (server_supports("deepen-not"))
+ deepen_not_ok = 1;
+ else if (args->deepen_not)
+ die("Server does not support --not");
if (everything_local(args, &ref, sought, nr_sought)) {
packet_flush(fd[1]);
diff --git a/fetch-pack.h b/fetch-pack.h
index f7eadb2..144301f 100644
--- a/fetch-pack.h
+++ b/fetch-pack.h
@@ -11,6 +11,7 @@ struct fetch_pack_args {
int unpacklimit;
int depth;
const char *deepen_since;
+ const struct string_list *deepen_not;
unsigned quiet:1;
unsigned keep_pack:1;
unsigned lock_pack:1;
diff --git a/transport.c b/transport.c
index 4902036..3094c6b 100644
--- a/transport.c
+++ b/transport.c
@@ -480,6 +480,9 @@ static int set_git_option(struct git_transport_options *opts,
} else if (!strcmp(name, TRANS_OPT_DEEPEN_SINCE)) {
opts->deepen_since = value;
return 0;
+ } else if (!strcmp(name, TRANS_OPT_DEEPEN_NOT)) {
+ opts->deepen_not = (const struct string_list *)value;
+ return 0;
}
return 1;
}
@@ -534,6 +537,7 @@ static int fetch_refs_via_pack(struct transport *transport,
args.no_progress = !transport->progress;
args.depth = data->options.depth;
args.deepen_since = data->options.deepen_since;
+ args.deepen_not = data->options.deepen_not;
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 9c10a44..ab61932 100644
--- a/transport.h
+++ b/transport.h
@@ -5,6 +5,8 @@
#include "run-command.h"
#include "remote.h"
+struct string_list;
+
struct git_transport_options {
unsigned thin : 1;
unsigned keep : 1;
@@ -14,6 +16,7 @@ struct git_transport_options {
unsigned update_shallow : 1;
int depth;
const char *deepen_since;
+ const struct string_list *deepen_not;
const char *uploadpack;
const char *receivepack;
struct push_cas_option *cas;
@@ -175,6 +178,9 @@ int transport_restrict_protocols(void);
/* Limit the depth of the fetch based on time if not null */
#define TRANS_OPT_DEEPEN_SINCE "deepen-since"
+/* Limit the depth of the fetch based on revs if not null */
+#define TRANS_OPT_DEEPEN_NOT "deepen-not"
+
/* Aggressively fetch annotated tags if possible */
#define TRANS_OPT_FOLLOWTAGS "followtags"
--
2.3.0.rc1.137.g477eb31
--
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