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-rw-r--r--Documentation/config/clone.txt5
-rw-r--r--Documentation/git-clone.txt7
-rw-r--r--Documentation/git-submodule.txt6
-rw-r--r--builtin/clone.c36
-rw-r--r--builtin/submodule--helper.c30
-rwxr-xr-xgit-submodule.sh17
-rwxr-xr-xt/t5617-clone-submodules-remote.sh41
-rwxr-xr-xt/t7814-grep-recurse-submodules.sh41
8 files changed, 175 insertions, 8 deletions
diff --git a/Documentation/config/clone.txt b/Documentation/config/clone.txt
index 7bcfbd18a5..26f4fb137a 100644
--- a/Documentation/config/clone.txt
+++ b/Documentation/config/clone.txt
@@ -6,3 +6,8 @@ clone.defaultRemoteName::
clone.rejectShallow::
Reject to clone a repository if it is a shallow one, can be overridden by
passing option `--reject-shallow` in command line. See linkgit:git-clone[1]
+
+clone.filterSubmodules::
+ If a partial clone filter is provided (see `--filter` in
+ linkgit:git-rev-list[1]) and `--recurse-submodules` is used, also apply
+ the filter to submodules.
diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index 984d194934..632bd1348e 100644
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -16,7 +16,7 @@ SYNOPSIS
[--depth <depth>] [--[no-]single-branch] [--no-tags]
[--recurse-submodules[=<pathspec>]] [--[no-]shallow-submodules]
[--[no-]remote-submodules] [--jobs <n>] [--sparse] [--[no-]reject-shallow]
- [--filter=<filter>] [--] <repository>
+ [--filter=<filter> [--also-filter-submodules]] [--] <repository>
[<directory>]
DESCRIPTION
@@ -182,6 +182,11 @@ objects from the source repository into a pack in the cloned repository.
at least `<size>`. For more details on filter specifications, see
the `--filter` option in linkgit:git-rev-list[1].
+--also-filter-submodules::
+ Also apply the partial clone filter to any submodules in the repository.
+ Requires `--filter` and `--recurse-submodules`. This can be turned on by
+ default by setting the `clone.filterSubmodules` config option.
+
--mirror::
Set up a mirror of the source repository. This implies `--bare`.
Compared to `--bare`, `--mirror` not only maps local branches of the
diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
index 7e5f995f77..4d3ab6b9f9 100644
--- a/Documentation/git-submodule.txt
+++ b/Documentation/git-submodule.txt
@@ -133,7 +133,7 @@ If you really want to remove a submodule from the repository and commit
that use linkgit:git-rm[1] instead. See linkgit:gitsubmodules[7] for removal
options.
-update [--init] [--remote] [-N|--no-fetch] [--[no-]recommend-shallow] [-f|--force] [--checkout|--rebase|--merge] [--reference <repository>] [--depth <depth>] [--recursive] [--jobs <n>] [--[no-]single-branch] [--] [<path>...]::
+update [--init] [--remote] [-N|--no-fetch] [--[no-]recommend-shallow] [-f|--force] [--checkout|--rebase|--merge] [--reference <repository>] [--depth <depth>] [--recursive] [--jobs <n>] [--[no-]single-branch] [--filter <filter spec>] [--] [<path>...]::
+
--
Update the registered submodules to match what the superproject
@@ -177,6 +177,10 @@ submodule with the `--init` option.
If `--recursive` is specified, this command will recurse into the
registered submodules, and update any nested submodules within.
+
+If `--filter <filter spec>` is specified, the given partial clone filter will be
+applied to the submodule. See linkgit:git-rev-list[1] for details on filter
+specifications.
--
set-branch (-b|--branch) <branch> [--] <path>::
set-branch (-d|--default) [--] <path>::
diff --git a/builtin/clone.c b/builtin/clone.c
index 0d80b135c9..a572cda503 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -72,6 +72,8 @@ static int option_dissociate;
static int max_jobs = -1;
static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP;
static struct list_objects_filter_options filter_options;
+static int option_filter_submodules = -1; /* unspecified */
+static int config_filter_submodules = -1; /* unspecified */
static struct string_list server_options = STRING_LIST_INIT_NODUP;
static int option_remote_submodules;
@@ -151,6 +153,8 @@ static struct option builtin_clone_options[] = {
OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
TRANSPORT_FAMILY_IPV6),
OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
+ OPT_BOOL(0, "also-filter-submodules", &option_filter_submodules,
+ N_("apply partial clone filters to submodules")),
OPT_BOOL(0, "remote-submodules", &option_remote_submodules,
N_("any cloned submodules will use their remote-tracking branch")),
OPT_BOOL(0, "sparse", &option_sparse_checkout,
@@ -651,7 +655,7 @@ static int git_sparse_checkout_init(const char *repo)
return result;
}
-static int checkout(int submodule_progress)
+static int checkout(int submodule_progress, int filter_submodules)
{
struct object_id oid;
char *head;
@@ -730,6 +734,10 @@ static int checkout(int submodule_progress)
strvec_push(&args, "--no-fetch");
}
+ if (filter_submodules && filter_options.choice)
+ strvec_pushf(&args, "--filter=%s",
+ expand_list_objects_filter_spec(&filter_options));
+
if (option_single_branch >= 0)
strvec_push(&args, option_single_branch ?
"--single-branch" :
@@ -750,6 +758,8 @@ static int git_clone_config(const char *k, const char *v, void *cb)
}
if (!strcmp(k, "clone.rejectshallow"))
config_reject_shallow = git_config_bool(k, v);
+ if (!strcmp(k, "clone.filtersubmodules"))
+ config_filter_submodules = git_config_bool(k, v);
return git_default_config(k, v, cb);
}
@@ -872,6 +882,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
struct remote *remote;
int err = 0, complete_refs_before_fetch = 1;
int submodule_progress;
+ int filter_submodules = 0;
struct transport_ls_refs_options transport_ls_refs_options =
TRANSPORT_LS_REFS_OPTIONS_INIT;
@@ -1068,6 +1079,27 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
reject_shallow = option_reject_shallow;
/*
+ * If option_filter_submodules is specified from CLI option,
+ * ignore config_filter_submodules from git_clone_config.
+ */
+ if (config_filter_submodules != -1)
+ filter_submodules = config_filter_submodules;
+ if (option_filter_submodules != -1)
+ filter_submodules = option_filter_submodules;
+
+ /*
+ * Exit if the user seems to be doing something silly with submodule
+ * filter flags (but not with filter configs, as those should be
+ * set-and-forget).
+ */
+ if (option_filter_submodules > 0 && !filter_options.choice)
+ die(_("the option '%s' requires '%s'"),
+ "--also-filter-submodules", "--filter");
+ if (option_filter_submodules > 0 && !option_recurse_submodules.nr)
+ die(_("the option '%s' requires '%s'"),
+ "--also-filter-submodules", "--recurse-submodules");
+
+ /*
* apply the remote name provided by --origin only after this second
* call to git_config, to ensure it overrides all config-based values.
*/
@@ -1300,7 +1332,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
}
junk_mode = JUNK_LEAVE_REPO;
- err = checkout(submodule_progress);
+ err = checkout(submodule_progress, filter_submodules);
free(remote_name);
strbuf_release(&reflog_msg);
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index a0bffe96a1..eeacefcc38 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -21,6 +21,7 @@
#include "object-store.h"
#include "advice.h"
#include "branch.h"
+#include "list-objects-filter-options.h"
#define OPT_QUIET (1 << 0)
#define OPT_CACHED (1 << 1)
@@ -1631,6 +1632,7 @@ struct module_clone_data {
const char *name;
const char *url;
const char *depth;
+ struct list_objects_filter_options *filter_options;
struct string_list reference;
unsigned int quiet: 1;
unsigned int progress: 1;
@@ -1797,6 +1799,10 @@ static int clone_submodule(struct module_clone_data *clone_data)
strvec_push(&cp.args, "--dissociate");
if (sm_gitdir && *sm_gitdir)
strvec_pushl(&cp.args, "--separate-git-dir", sm_gitdir, NULL);
+ if (clone_data->filter_options && clone_data->filter_options->choice)
+ strvec_pushf(&cp.args, "--filter=%s",
+ expand_list_objects_filter_spec(
+ clone_data->filter_options));
if (clone_data->single_branch >= 0)
strvec_push(&cp.args, clone_data->single_branch ?
"--single-branch" :
@@ -1853,6 +1859,7 @@ static int module_clone(int argc, const char **argv, const char *prefix)
{
int dissociate = 0, quiet = 0, progress = 0, require_init = 0;
struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT;
+ struct list_objects_filter_options filter_options;
struct option module_clone_options[] = {
OPT_STRING(0, "prefix", &clone_data.prefix,
@@ -1882,17 +1889,19 @@ static int module_clone(int argc, const char **argv, const char *prefix)
N_("disallow cloning into non-empty directory")),
OPT_BOOL(0, "single-branch", &clone_data.single_branch,
N_("clone only one branch, HEAD or --branch")),
+ OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
OPT_END()
};
const char *const git_submodule_helper_usage[] = {
N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
"[--reference <repository>] [--name <name>] [--depth <depth>] "
- "[--single-branch] "
+ "[--single-branch] [--filter <filter-spec>]"
"--url <url> --path <path>"),
NULL
};
+ memset(&filter_options, 0, sizeof(filter_options));
argc = parse_options(argc, argv, prefix, module_clone_options,
git_submodule_helper_usage, 0);
@@ -1900,12 +1909,14 @@ static int module_clone(int argc, const char **argv, const char *prefix)
clone_data.quiet = !!quiet;
clone_data.progress = !!progress;
clone_data.require_init = !!require_init;
+ clone_data.filter_options = &filter_options;
if (argc || !clone_data.url || !clone_data.path || !*(clone_data.path))
usage_with_options(git_submodule_helper_usage,
module_clone_options);
clone_submodule(&clone_data);
+ list_objects_filter_release(&filter_options);
return 0;
}
@@ -1995,6 +2006,7 @@ struct submodule_update_clone {
const char *recursive_prefix;
const char *prefix;
int single_branch;
+ struct list_objects_filter_options *filter_options;
/* to be consumed by git-submodule.sh */
struct update_clone_data *update_clone;
@@ -2155,6 +2167,9 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
strvec_pushl(&child->args, "--prefix", suc->prefix, NULL);
if (suc->recommend_shallow && sub->recommend_shallow == 1)
strvec_push(&child->args, "--depth=1");
+ if (suc->filter_options && suc->filter_options->choice)
+ strvec_pushf(&child->args, "--filter=%s",
+ expand_list_objects_filter_spec(suc->filter_options));
if (suc->require_init)
strvec_push(&child->args, "--require-init");
strvec_pushl(&child->args, "--path", sub->path, NULL);
@@ -2499,6 +2514,8 @@ static int update_clone(int argc, const char **argv, const char *prefix)
const char *update = NULL;
struct pathspec pathspec;
struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
+ struct list_objects_filter_options filter_options;
+ int ret;
struct option module_update_clone_options[] = {
OPT_STRING(0, "prefix", &prefix,
@@ -2529,6 +2546,7 @@ static int update_clone(int argc, const char **argv, const char *prefix)
N_("disallow cloning into non-empty directory")),
OPT_BOOL(0, "single-branch", &suc.single_branch,
N_("clone only one branch, HEAD or --branch")),
+ OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
OPT_END()
};
@@ -2541,20 +2559,26 @@ static int update_clone(int argc, const char **argv, const char *prefix)
update_clone_config_from_gitmodules(&suc.max_jobs);
git_config(git_update_clone_config, &suc.max_jobs);
+ memset(&filter_options, 0, sizeof(filter_options));
argc = parse_options(argc, argv, prefix, module_update_clone_options,
git_submodule_helper_usage, 0);
+ suc.filter_options = &filter_options;
if (update)
if (parse_submodule_update_strategy(update, &suc.update) < 0)
die(_("bad value for update parameter"));
- if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
+ if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0) {
+ list_objects_filter_release(&filter_options);
return 1;
+ }
if (pathspec.nr)
suc.warn_if_uninitialized = 1;
- return update_submodules(&suc);
+ ret = update_submodules(&suc);
+ list_objects_filter_release(&filter_options);
+ return ret;
}
static int run_update_procedure(int argc, const char **argv, const char *prefix)
diff --git a/git-submodule.sh b/git-submodule.sh
index 652861aa66..87772ac891 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -10,7 +10,7 @@ USAGE="[--quiet] [--cached]
or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
or: $dashless [--quiet] init [--] [<path>...]
or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
- or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--[no-]single-branch] [--] [<path>...]
+ or: $dashless [--quiet] update [--init [--filter=<filter-spec>]] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--[no-]single-branch] [--] [<path>...]
or: $dashless [--quiet] set-branch (--default|--branch <branch>) [--] <path>
or: $dashless [--quiet] set-url [--] <path> <newurl>
or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
@@ -49,6 +49,7 @@ dissociate=
single_branch=
jobs=
recommend_shallow=
+filter=
die_if_unmatched ()
{
@@ -347,6 +348,14 @@ cmd_update()
--no-single-branch)
single_branch="--no-single-branch"
;;
+ --filter)
+ case "$2" in '') usage ;; esac
+ filter="--filter=$2"
+ shift
+ ;;
+ --filter=*)
+ filter="$1"
+ ;;
--)
shift
break
@@ -361,6 +370,11 @@ cmd_update()
shift
done
+ if test -n "$filter" && test "$init" != "1"
+ then
+ usage
+ fi
+
if test -n "$init"
then
cmd_init "--" "$@" || return
@@ -379,6 +393,7 @@ cmd_update()
$single_branch \
$recommend_shallow \
$jobs \
+ $filter \
-- \
"$@" || echo "#unmatched" $?
} | {
diff --git a/t/t5617-clone-submodules-remote.sh b/t/t5617-clone-submodules-remote.sh
index e2dbb4eaba..ca8f80083a 100755
--- a/t/t5617-clone-submodules-remote.sh
+++ b/t/t5617-clone-submodules-remote.sh
@@ -28,6 +28,13 @@ test_expect_success 'setup' '
)
'
+# bare clone giving "srv.bare" for use as our server.
+test_expect_success 'setup bare clone for server' '
+ git clone --bare "file://$(pwd)/." srv.bare &&
+ git -C srv.bare config --local uploadpack.allowfilter 1 &&
+ git -C srv.bare config --local uploadpack.allowanysha1inwant 1
+'
+
test_expect_success 'clone with --no-remote-submodules' '
test_when_finished "rm -rf super_clone" &&
git clone --recurse-submodules --no-remote-submodules "file://$pwd/." super_clone &&
@@ -65,4 +72,38 @@ test_expect_success 'clone with --single-branch' '
)
'
+# do basic partial clone from "srv.bare"
+# confirm partial clone was registered in the local config for super and sub.
+test_expect_success 'clone with --filter' '
+ git clone --recurse-submodules \
+ --filter blob:none --also-filter-submodules \
+ "file://$pwd/srv.bare" super_clone &&
+ test_cmp_config -C super_clone true remote.origin.promisor &&
+ test_cmp_config -C super_clone blob:none remote.origin.partialclonefilter &&
+ test_cmp_config -C super_clone/sub true remote.origin.promisor &&
+ test_cmp_config -C super_clone/sub blob:none remote.origin.partialclonefilter
+'
+
+# check that clone.filterSubmodules works (--also-filter-submodules can be
+# omitted)
+test_expect_success 'filters applied with clone.filterSubmodules' '
+ test_config_global clone.filterSubmodules true &&
+ git clone --recurse-submodules --filter blob:none \
+ "file://$pwd/srv.bare" super_clone2 &&
+ test_cmp_config -C super_clone2 true remote.origin.promisor &&
+ test_cmp_config -C super_clone2 blob:none remote.origin.partialclonefilter &&
+ test_cmp_config -C super_clone2/sub true remote.origin.promisor &&
+ test_cmp_config -C super_clone2/sub blob:none remote.origin.partialclonefilter
+'
+
+test_expect_success '--no-also-filter-submodules overrides clone.filterSubmodules=true' '
+ test_config_global clone.filterSubmodules true &&
+ git clone --recurse-submodules --filter blob:none \
+ --no-also-filter-submodules \
+ "file://$pwd/srv.bare" super_clone3 &&
+ test_cmp_config -C super_clone3 true remote.origin.promisor &&
+ test_cmp_config -C super_clone3 blob:none remote.origin.partialclonefilter &&
+ test_cmp_config -C super_clone3/sub false --default false remote.origin.promisor
+'
+
test_done
diff --git a/t/t7814-grep-recurse-submodules.sh b/t/t7814-grep-recurse-submodules.sh
index 058e5d0c96..a4476dc492 100755
--- a/t/t7814-grep-recurse-submodules.sh
+++ b/t/t7814-grep-recurse-submodules.sh
@@ -544,4 +544,45 @@ test_expect_failure 'grep saves textconv cache in the appropriate repository' '
test_path_is_file "$sub_textconv_cache"
'
+test_expect_success 'grep partially-cloned submodule' '
+ # Set up clean superproject and submodule for partial cloning.
+ git init super &&
+ git init super/sub &&
+ (
+ cd super &&
+ test_commit --no-tag "Add file in superproject" \
+ super-file "Some content for super-file" &&
+ test_commit -C sub --no-tag "Add file in submodule" \
+ sub-file "Some content for sub-file" &&
+ git submodule add ./sub &&
+ git commit -m "Add other as submodule sub" &&
+ test_tick &&
+ test_commit -C sub --no-tag --append "Update file in submodule" \
+ sub-file "Some more content for sub-file" &&
+ git add sub &&
+ git commit -m "Update submodule" &&
+ test_tick &&
+ git config --local uploadpack.allowfilter 1 &&
+ git config --local uploadpack.allowanysha1inwant 1 &&
+ git -C sub config --local uploadpack.allowfilter 1 &&
+ git -C sub config --local uploadpack.allowanysha1inwant 1
+ ) &&
+ # Clone the superproject & submodule, then make sure we can lazy-fetch submodule objects.
+ git clone --filter=blob:none --also-filter-submodules \
+ --recurse-submodules "file://$(pwd)/super" partial &&
+ (
+ cd partial &&
+ cat >expect <<-\EOF &&
+ HEAD^:sub/sub-file:Some content for sub-file
+ HEAD^:super-file:Some content for super-file
+ EOF
+
+ GIT_TRACE2_EVENT="$(pwd)/trace2.log" git grep -e content \
+ --recurse-submodules HEAD^ >actual &&
+ test_cmp expect actual &&
+ # Verify that we actually fetched data from the promisor remote:
+ grep \"category\":\"promisor\",\"key\":\"fetch_count\",\"value\":\"1\" trace2.log
+ )
+'
+
test_done