From: Jeff Hostetler <jeffh...@microsoft.com>
Teach fetch to support filters. This is only allowed for the remote
configured in extensions.partialcloneremote.
Signed-off-by: Jonathan Tan <jonathanta...@google.com>
---
builtin/fetch.c | 23 +++++++++++++++++++++--
connected.c | 2 ++
remote-curl.c | 6 ++++++
t/t5500-fetch-pack.sh | 36 ++++++++++++++++++++++++++++++++++++
4 files changed, 65 insertions(+), 2 deletions(-)
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 1b1f039..14aab71 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -18,6 +18,7 @@
#include "argv-array.h"
#include "utf8.h"
#include "packfile.h"
+#include "list-objects-filter-options.h"
static const char * const builtin_fetch_usage[] = {
N_("git fetch [<options>] [<repository> [<refspec>...]]"),
@@ -55,6 +56,7 @@ static int recurse_submodules_default =
RECURSE_SUBMODULES_ON_DEMAND;
static int shown_url = 0;
static int refmap_alloc, refmap_nr;
static const char **refmap_array;
+static struct list_objects_filter_options filter_options;
static int git_fetch_config(const char *k, const char *v, void *cb)
{
@@ -160,6 +162,7 @@ static struct option builtin_fetch_options[] = {
TRANSPORT_FAMILY_IPV4),
OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
TRANSPORT_FAMILY_IPV6),
+ OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
OPT_END()
};
@@ -1044,6 +1047,11 @@ static struct transport *prepare_transport(struct remote
*remote, int deepen)
set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes");
if (update_shallow)
set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
+ if (filter_options.choice) {
+ set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
+ filter_options.filter_spec);
+ set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
+ }
return transport;
}
@@ -1328,6 +1336,8 @@ int cmd_fetch(int argc, const char **argv, const char
*prefix)
packet_trace_identity("fetch");
+ fetch_if_missing = 0;
+
/* Record the command line for the reflog */
strbuf_addstr(&default_rla, "fetch");
for (i = 1; i < argc; i++)
@@ -1361,6 +1371,9 @@ int cmd_fetch(int argc, const char **argv, const char
*prefix)
if (depth || deepen_since || deepen_not.nr)
deepen = 1;
+ if (filter_options.choice && !repository_format_partial_clone)
+ die("--filter can only be used when extensions.partialClone is
set");
+
if (all) {
if (argc == 1)
die(_("fetch --all does not take a repository
argument"));
@@ -1390,10 +1403,16 @@ int cmd_fetch(int argc, const char **argv, const char
*prefix)
}
}
- if (remote)
+ if (remote) {
+ if (filter_options.choice &&
+ strcmp(remote->name, repository_format_partial_clone))
+ die(_("--filter can only be used with the remote
configured in core.partialClone"));
result = fetch_one(remote, argc, argv);
- else
+ } else {
+ if (filter_options.choice)
+ die(_("--filter can only be used with the remote
configured in core.partialClone"));
result = fetch_multiple(&list);
+ }
if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
struct argv_array options = ARGV_ARRAY_INIT;
diff --git a/connected.c b/connected.c
index f416b05..3a5bd67 100644
--- a/connected.c
+++ b/connected.c
@@ -56,6 +56,8 @@ int check_connected(sha1_iterate_fn fn, void *cb_data,
argv_array_push(&rev_list.args,"rev-list");
argv_array_push(&rev_list.args, "--objects");
argv_array_push(&rev_list.args, "--stdin");
+ if (repository_format_partial_clone)
+ argv_array_push(&rev_list.args, "--exclude-promisor-objects");
argv_array_push(&rev_list.args, "--not");
argv_array_push(&rev_list.args, "--all");
argv_array_push(&rev_list.args, "--quiet");
diff --git a/remote-curl.c b/remote-curl.c
index 4318391..6ec5352 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -24,6 +24,7 @@ struct options {
char *deepen_since;
struct string_list deepen_not;
struct string_list push_options;
+ char *filter;
unsigned progress : 1,
check_self_contained_and_connected : 1,
cloning : 1,
@@ -165,6 +166,9 @@ static int set_option(const char *name, const char *value)
} else if (!strcmp(name, "no-dependents")) {
options.no_dependents = 1;
return 0;
+ } else if (!strcmp(name, "filter")) {
+ options.filter = xstrdup(value);;
+ return 0;
} else {
return 1 /* unsupported */;
}
@@ -834,6 +838,8 @@ static int fetch_git(struct discovery *heads,
argv_array_push(&args, "--from-promisor");
if (options.no_dependents)
argv_array_push(&args, "--no-dependents");
+ if (options.filter)
+ argv_array_pushf(&args, "--filter=%s", options.filter);
argv_array_push(&args, url.buf);
for (i = 0; i < nr_heads; i++) {
diff --git a/t/t5500-fetch-pack.sh b/t/t5500-fetch-pack.sh
index c57916b..ec9ba9b 100755
--- a/t/t5500-fetch-pack.sh
+++ b/t/t5500-fetch-pack.sh
@@ -782,4 +782,40 @@ test_expect_success 'filtering by size has no effect if
support for it is not ad
test_i18ngrep "filtering not recognized by server" err
'
+fetch_filter_blob_limit_zero () {
+ SERVER="$1"
+ URL="$2"
+
+ rm -rf "$SERVER" client &&
+ test_create_repo "$SERVER" &&
+ test_commit -C "$SERVER" one &&
+ test_config -C "$SERVER" uploadpack.allowfilter 1 &&
+
+ git clone "$URL" client &&
+ test_config -C client extensions.partialclone origin &&
+
+ test_commit -C "$SERVER" two &&
+
+ git -C client fetch --filter=blob:limit=0 origin HEAD:somewhere &&
+
+ # Ensure that commit is fetched, but blob is not
+ test_config -C client extensions.partialclone "arbitrary string" &&
+ git -C client cat-file -e $(git -C "$SERVER" rev-parse two) &&
+ test_must_fail git -C client cat-file -e $(git hash-object
"$SERVER/two.t")
+}
+
+test_expect_success 'fetch with --filter=blob:limit=0' '
+ fetch_filter_blob_limit_zero server server
+'
+
+. "$TEST_DIRECTORY"/lib-httpd.sh
+start_httpd
+
+test_expect_success 'fetch with --filter=blob:limit=0 and HTTP' '
+ fetch_filter_blob_limit_zero "$HTTPD_DOCUMENT_ROOT_PATH/server"
"$HTTPD_URL/smart/server"
+'
+
+stop_httpd
+
+
test_done
--
2.9.3
