This is in line with clone being the contraction of
mkdir <path> && cd <path>
git init
git config
git fetch
git submodule update
Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
Documentation/git-clone.txt | 6 +++
builtin/clone.c | 40 +++++++++++++++++--
t/t7400-submodule-basic.sh | 96 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 139 insertions(+), 3 deletions(-)
diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index 45d74be..38b1948 100644
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -212,6 +212,12 @@ objects from the source repository into a pack in the cloned repository.
repository does not have a worktree/checkout (i.e. if any of
`--no-checkout`/`-n`, `--bare`, or `--mirror` is given)
+--init-submodule::
+ After the repository is cloned, specified submodules are cloned.
+ It is possible to give multiple specifications by repeating the
+ argument. This option will be recorded in the repository config
+ as `submodule.defaultGroup`.
+
--separate-git-dir=<git dir>::
Instead of placing the cloned repository where it is supposed
to be, place the cloned repository at the specified directory,
diff --git a/builtin/clone.c b/builtin/clone.c
index 6576ecf..8371bc2 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -52,6 +52,22 @@ static struct string_list option_config;
static struct string_list option_reference;
static int option_dissociate;
static int max_jobs = -1;
+static struct string_list init_submodules;
+
+static int init_submodules_cb(const struct option *opt, const char *arg, int unset)
+{
+ struct string_list_item *item;
+ struct string_list sl = STRING_LIST_INIT_DUP;
+
+ if (unset)
+ return -1;
+
+ string_list_split(&sl, arg, ',', -1);
+ for_each_string_list_item(item, &sl)
+ string_list_append((struct string_list *)opt->value, item->string);
+
+ return 0;
+}
static struct option builtin_clone_options[] = {
OPT__VERBOSITY(&option_verbosity),
@@ -100,6 +116,8 @@ static struct option builtin_clone_options[] = {
TRANSPORT_FAMILY_IPV4),
OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
TRANSPORT_FAMILY_IPV6),
+ OPT_CALLBACK(0, "init-submodule", &init_submodules, N_("string"),
+ N_("clone specific submodules"), init_submodules_cb),
OPT_END()
};
@@ -731,17 +749,24 @@ static int checkout(void)
err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
sha1_to_hex(sha1), "1", NULL);
- if (!err && option_recursive) {
+ if (err)
+ goto out;
+
+ if (option_recursive || init_submodules.nr > 0) {
struct argv_array args = ARGV_ARRAY_INIT;
- argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
+ argv_array_pushl(&args, "submodule", "update", NULL);
+ if (option_recursive) {
+ argv_array_pushf(&args, "--init");
+ argv_array_pushf(&args, "--recursive");
+ }
if (max_jobs != -1)
argv_array_pushf(&args, "--jobs=%d", max_jobs);
err = run_command_v_opt(args.argv, RUN_GIT_CMD);
argv_array_clear(&args);
}
-
+out:
return err;
}
@@ -876,6 +901,15 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
option_no_checkout = 1;
}
+ if (init_submodules.nr > 0) {
+ struct string_list_item *item;
+ struct strbuf sb = STRBUF_INIT;
+ for_each_string_list_item(item, &init_submodules) {
+ strbuf_addf(&sb, "submodule.defaultGroup=%s", item->string);
+ string_list_append(&option_config, strbuf_detach(&sb, 0));
+ }
+ }
+
if (!option_origin)
option_origin = "origin";
diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index ac477b2..1fd313b 100755
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -1110,4 +1110,100 @@ test_expect_success 'submodule add records multiple labels' '
test_cmp expected actual
'
+cat <<EOF > expected
+submodule
+EOF
+
+test_expect_success 'clone --init-submodule works' '
+ test_when_finished "rm -rf super super_clone" &&
+ mkdir super &&
+ pwd=$(pwd) &&
+ (
+ cd super &&
+ git init &&
+ git submodule add --label labelA file://"$pwd"/example2 submodule &&
+ git submodule add file://"$pwd"/example2 submodule1 &&
+ git commit -a -m "create repository with 2 submodules, one is in a group"
+ ) &&
+ git clone --recurse-submodules --init-submodule \*labelA super super_clone &&
+ (
+ cd super_clone &&
+ git submodule status |cut -c1,42-52 | tr -d " " >../actual
+ ) &&
+ test_cmp actual expected
+'
+
+cat <<EOF > expect
+submoduleA
+submoduleC
+submoduleE
+EOF
+
+test_expect_success 'clone with multiple --init-submodule options' '
+ test_when_finished "rm -rf super super_clone" &&
+ mkdir super &&
+ pwd=$(pwd) &&
+ (
+ cd super &&
+ git init &&
+ git submodule add --label groupA file://"$pwd"/example2 submoduleA &&
+ git submodule add --label groupB file://"$pwd"/example2 submoduleB &&
+ git submodule add --label groupC file://"$pwd"/example2 submoduleC &&
+ git submodule add --label groupD --name submoduleE file://"$pwd"/example2 submoduleD &&
+ git submodule add --label groupE --name submoduleD file://"$pwd"/example2 submoduleE &&
+ git submodule add file://"$pwd"/example2 submodule1 &&
+ git commit -a -m "create repository with submodules groups"
+ ) &&
+ git clone --recurse-submodules --init-submodule=\*groupA --init-submodule ./submoduleC --init-submodule :submoduleD super super_clone &&
+ (
+ cd super_clone &&
+ git submodule status |cut -c1,42-52 | tr -d " " >../actual
+ ) &&
+ test_cmp expect actual
+'
+
+cat <<EOF > expect
+submoduleA
+EOF
+
+cat <<EOF > expect2
+submoduleA
+submoduleC
+EOF
+
+test_expect_success 'clone and subsequent updates correctly auto-initialize submodules' '
+ test_when_finished "rm -rf super super_clone" &&
+ mkdir super &&
+ pwd=$(pwd) &&
+ (
+ cd super &&
+ git init &&
+ git submodule add --label LA file://"$pwd"/example2 submoduleA &&
+ git submodule add file://"$pwd"/example2 submoduleB &&
+ git commit -a -m "create repository with submodules groups"
+ ) &&
+ git clone --recurse-submodules --init-submodule=\*LA super super_clone &&
+ (
+ cd super_clone &&
+ git submodule status |cut -c1,42-52 | tr -d " " >../actual
+ ) &&
+ test_cmp expect actual &&
+ (
+ cd super &&
+ git init &&
+ git submodule add --label LA file://"$pwd"/example2 submoduleC &&
+ git commit -a -m "add another labled submodule"
+ ) &&
+ (
+ cd super_clone &&
+ # obtain the new superproject
+ git pull &&
+ # submoduleC should just appear as it has the label LA
+ # which was configured in git clone
+ git submodule update --init &&
+ git submodule status |cut -c1,42-52 | tr -d " " >../actual
+ ) &&
+ test_cmp expect2 actual
+'
+
test_done
--
2.8.0.41.g8d9aeb3
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