From: Jeff Hostetler <g...@jeffhostetler.com>
Teach fetch-pack to take --partial-by-size and --partial-special
arguments and pass them via the transport to upload-pack to
request that certain blobs be omitted from the resulting packfile.
Signed-off-by: Jeff Hostetler <jeffh...@microsoft.com>
---
builtin/fetch-pack.c | 9 +++++++++
fetch-pack.c | 17 +++++++++++++++++
fetch-pack.h | 2 ++
transport.c | 8 ++++++++
transport.h | 8 ++++++++
5 files changed, 44 insertions(+)
diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index cfe9e44..324d7b2 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -8,6 +8,7 @@
static const char fetch_pack_usage[] =
"git fetch-pack [--all] [--stdin] [--quiet | -q] [--keep | -k] [--thin] "
"[--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] "
+"[--partial-by-size=<n>] [--partial-special] "
"[--no-progress] [--diag-url] [-v] [<host>:]<directory> [<refs>...]";
static void add_sought_entry(struct ref ***sought, int *nr, int *alloc,
@@ -143,6 +144,14 @@ int cmd_fetch_pack(int argc, const char **argv, const char
*prefix)
args.update_shallow = 1;
continue;
}
+ if (skip_prefix(arg, "--partial-by-size=", &arg)) {
+ args.partial_by_size = xstrdup(arg);
+ continue;
+ }
+ if (!strcmp("--partial-special", arg)) {
+ args.partial_special = 1;
+ continue;
+ }
usage(fetch_pack_usage);
}
if (deepen_not.nr)
diff --git a/fetch-pack.c b/fetch-pack.c
index e0f5d5c..e355c38 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -372,6 +372,8 @@ static int find_common(struct fetch_pack_args *args,
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 (args->partial_by_size || args->partial_special)
+ strbuf_addstr(&c, " partial");
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);
@@ -402,6 +404,12 @@ static int find_common(struct fetch_pack_args *args,
packet_buf_write(&req_buf, "deepen-not %s", s->string);
}
}
+
+ if (args->partial_by_size)
+ packet_buf_write(&req_buf, "partial-by-size %s",
args->partial_by_size);
+ if (args->partial_special)
+ packet_buf_write(&req_buf, "partial-special");
+
packet_buf_flush(&req_buf);
state_len = req_buf.len;
@@ -807,6 +815,10 @@ static int get_pack(struct fetch_pack_args *args,
"--keep=fetch-pack %"PRIuMAX " on %s",
(uintmax_t)getpid(), hostname);
}
+
+ if (args->partial_by_size || args->partial_special)
+ argv_array_push(&cmd.args, "--allow-partial");
+
if (args->check_self_contained_and_connected)
argv_array_push(&cmd.args,
"--check-self-contained-and-connected");
}
@@ -920,6 +932,11 @@ static struct ref *do_fetch_pack(struct fetch_pack_args
*args,
else
prefer_ofs_delta = 0;
+ if (server_supports("partial"))
+ print_verbose(args, _("Server supports partial"));
+ else if (args->partial_by_size || args->partial_special)
+ die(_("Server does not support 'partial'"));
+
if ((agent_feature = server_feature_value("agent", &agent_len))) {
agent_supported = 1;
if (agent_len)
diff --git a/fetch-pack.h b/fetch-pack.h
index c912e3d..b8a26e0 100644
--- a/fetch-pack.h
+++ b/fetch-pack.h
@@ -12,6 +12,7 @@ struct fetch_pack_args {
int depth;
const char *deepen_since;
const struct string_list *deepen_not;
+ const char *partial_by_size;
unsigned deepen_relative:1;
unsigned quiet:1;
unsigned keep_pack:1;
@@ -29,6 +30,7 @@ struct fetch_pack_args {
unsigned cloning:1;
unsigned update_shallow:1;
unsigned deepen:1;
+ unsigned partial_special:1;
};
/*
diff --git a/transport.c b/transport.c
index 5828e06..45f35a4 100644
--- a/transport.c
+++ b/transport.c
@@ -160,6 +160,12 @@ static int set_git_option(struct git_transport_options
*opts,
} else if (!strcmp(name, TRANS_OPT_DEEPEN_RELATIVE)) {
opts->deepen_relative = !!value;
return 0;
+ } else if (!strcmp(name, TRANS_OPT_PARTIAL_BY_SIZE)) {
+ opts->partial_by_size = xstrdup(value);
+ return 0;
+ } else if (!strcmp(name, TRANS_OPT_PARTIAL_SPECIAL)) {
+ opts->partial_special = !!value;
+ return 0;
}
return 1;
}
@@ -227,6 +233,8 @@ static int fetch_refs_via_pack(struct transport *transport,
data->options.check_self_contained_and_connected;
args.cloning = transport->cloning;
args.update_shallow = data->options.update_shallow;
+ args.partial_by_size = data->options.partial_by_size;
+ args.partial_special = data->options.partial_special;
if (!data->got_remote_heads) {
connect_setup(transport, 0);
diff --git a/transport.h b/transport.h
index bc55715..c3f2d52 100644
--- a/transport.h
+++ b/transport.h
@@ -15,12 +15,14 @@ struct git_transport_options {
unsigned self_contained_and_connected : 1;
unsigned update_shallow : 1;
unsigned deepen_relative : 1;
+ unsigned partial_special : 1;
int depth;
const char *deepen_since;
const struct string_list *deepen_not;
const char *uploadpack;
const char *receivepack;
struct push_cas_option *cas;
+ const char *partial_by_size;
};
enum transport_family {
@@ -210,6 +212,12 @@ void transport_check_allowed(const char *type);
/* Send push certificates */
#define TRANS_OPT_PUSH_CERT "pushcert"
+/* Partial fetch to only include small files */
+#define TRANS_OPT_PARTIAL_BY_SIZE "partial-by-size"
+
+/* Partial fetch to only include special files, like ".gitignore" */
+#define TRANS_OPT_PARTIAL_SPECIAL "partial-special"
+
/**
* Returns 0 if the option was used, non-zero otherwise. Prints a
* message to stderr if the option is not used.
--
2.7.4
