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clone: teach --recurse-submodules to optionally take a pathspec
Teach clone --recurse-submodules to optionally take a pathspec argument which describes which submodules should be recursively initialized and cloned. If no pathspec is provided, --recurse-submodules will recursively initialize and clone all submodules by using a default pathspec of ".". In order to construct more complex pathspecs, --recurse-submodules can be given multiple times. This also configures the 'submodule.active' configuration option to be the given pathspec, such that any future invocation of `git submodule update` will keep up with the pathspec. Additionally the switch '--recurse' is removed from the Documentation as well as marked hidden in the options array, to streamline the options for submodules. A simple '--recurse' doesn't convey what is being recursed, e.g. it could mean directories or trees (c.f. ls-tree) In a lot of other commands we already have '--recurse-submodules' to mean recursing into submodules, so advertise this spelling here as the genuine option. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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3e7eaed016
commit
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3 changed files with 120 additions and 12 deletions
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@ -14,7 +14,7 @@ SYNOPSIS
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[-o <name>] [-b <name>] [-u <upload-pack>] [--reference <repository>]
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[--dissociate] [--separate-git-dir <git dir>]
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[--depth <depth>] [--[no-]single-branch]
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[--recursive | --recurse-submodules] [--[no-]shallow-submodules]
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[--recurse-submodules] [--[no-]shallow-submodules]
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[--jobs <n>] [--] <repository> [<directory>]
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DESCRIPTION
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@ -215,10 +215,14 @@ objects from the source repository into a pack in the cloned repository.
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branch when `--single-branch` clone was made, no remote-tracking
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branch is created.
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--recursive::
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--recurse-submodules::
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After the clone is created, initialize all submodules within,
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using their default settings. This is equivalent to running
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--recurse-submodules[=<pathspec]::
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After the clone is created, initialize and clone submodules
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within based on the provided pathspec. If no pathspec is
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provided, all submodules are initialized and cloned.
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Submodules are initialized and cloned using their default
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settings. The resulting clone has `submodule.active` set to
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the provided pathspec, or "." (meaning all submodules) if no
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pathspec is provided. This is equivalent to running
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`git submodule update --init --recursive` immediately after
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the clone is finished. This option is ignored if the cloned
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repository does not have a worktree/checkout (i.e. if any of
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@ -39,7 +39,7 @@ static const char * const builtin_clone_usage[] = {
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};
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static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
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static int option_local = -1, option_no_hardlinks, option_shared, option_recursive;
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static int option_local = -1, option_no_hardlinks, option_shared;
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static int option_shallow_submodules;
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static int deepen;
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static char *option_template, *option_depth, *option_since;
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@ -56,6 +56,21 @@ static struct string_list option_required_reference = STRING_LIST_INIT_NODUP;
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static struct string_list option_optional_reference = STRING_LIST_INIT_NODUP;
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static int option_dissociate;
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static int max_jobs = -1;
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static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP;
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static int recurse_submodules_cb(const struct option *opt,
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const char *arg, int unset)
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{
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if (unset)
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string_list_clear((struct string_list *)opt->value, 0);
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else if (arg)
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string_list_append((struct string_list *)opt->value, arg);
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else
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string_list_append((struct string_list *)opt->value,
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(const char *)opt->defval);
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return 0;
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}
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static struct option builtin_clone_options[] = {
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OPT__VERBOSITY(&option_verbosity),
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@ -74,10 +89,13 @@ static struct option builtin_clone_options[] = {
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N_("don't use local hardlinks, always copy")),
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OPT_BOOL('s', "shared", &option_shared,
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N_("setup as shared repository")),
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OPT_BOOL(0, "recursive", &option_recursive,
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N_("initialize submodules in the clone")),
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OPT_BOOL(0, "recurse-submodules", &option_recursive,
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N_("initialize submodules in the clone")),
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{ OPTION_CALLBACK, 0, "recursive", &option_recurse_submodules,
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N_("pathspec"), N_("initialize submodules in the clone"),
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PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, recurse_submodules_cb,
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(intptr_t)"." },
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{ OPTION_CALLBACK, 0, "recurse-submodules", &option_recurse_submodules,
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N_("pathspec"), N_("initialize submodules in the clone"),
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PARSE_OPT_OPTARG, recurse_submodules_cb, (intptr_t)"." },
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OPT_INTEGER('j', "jobs", &max_jobs,
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N_("number of submodules cloned in parallel")),
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OPT_STRING(0, "template", &option_template, N_("template-directory"),
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@ -733,7 +751,7 @@ static int checkout(int submodule_progress)
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err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
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sha1_to_hex(sha1), "1", NULL);
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if (!err && option_recursive) {
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if (!err && (option_recurse_submodules.nr > 0)) {
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struct argv_array args = ARGV_ARRAY_INIT;
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argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
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@ -957,7 +975,25 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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fprintf(stderr, _("Cloning into '%s'...\n"), dir);
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}
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if (option_recursive) {
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if (option_recurse_submodules.nr > 0) {
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struct string_list_item *item;
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struct strbuf sb = STRBUF_INIT;
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/* remove duplicates */
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string_list_sort(&option_recurse_submodules);
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string_list_remove_duplicates(&option_recurse_submodules, 0);
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/*
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* NEEDSWORK: In a multi-working-tree world, this needs to be
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* set in the per-worktree config.
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*/
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for_each_string_list_item(item, &option_recurse_submodules) {
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strbuf_addf(&sb, "submodule.active=%s",
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item->string);
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string_list_append(&option_config,
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strbuf_detach(&sb, NULL));
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}
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if (option_required_reference.nr &&
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option_optional_reference.nr)
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die(_("clone --recursive is not compatible with "
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@ -1188,4 +1188,72 @@ test_expect_success 'submodule update and setting submodule.<name>.active' '
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test_cmp expect actual
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'
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test_expect_success 'clone --recurse-submodules with a pathspec works' '
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test_when_finished "rm -rf multisuper_clone" &&
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cat >expected <<-\EOF &&
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sub0 (test2)
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-sub1
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-sub2
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-sub3
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EOF
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git clone --recurse-submodules="sub0" multisuper multisuper_clone &&
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git -C multisuper_clone submodule status |cut -c1,43- >actual &&
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test_cmp actual expected
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'
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test_expect_success 'clone with multiple --recurse-submodules options' '
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test_when_finished "rm -rf multisuper_clone" &&
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cat >expect <<-\EOF &&
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-sub0
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sub1 (test2)
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-sub2
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sub3 (test2)
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EOF
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git clone --recurse-submodules="." \
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--recurse-submodules=":(exclude)sub0" \
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--recurse-submodules=":(exclude)sub2" \
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multisuper multisuper_clone &&
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git -C multisuper_clone submodule status |cut -c1,43- >actual &&
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test_cmp expect actual
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'
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test_expect_success 'clone and subsequent updates correctly auto-initialize submodules' '
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test_when_finished "rm -rf multisuper_clone" &&
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cat <<-\EOF >expect &&
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-sub0
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sub1 (test2)
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-sub2
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sub3 (test2)
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EOF
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cat <<-\EOF >expect2 &&
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-sub0
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sub1 (test2)
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-sub2
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sub3 (test2)
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-sub4
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sub5 (test2)
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EOF
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git clone --recurse-submodules="." \
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--recurse-submodules=":(exclude)sub0" \
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--recurse-submodules=":(exclude)sub2" \
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--recurse-submodules=":(exclude)sub4" \
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multisuper multisuper_clone &&
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git -C multisuper_clone submodule status |cut -c1,43- >actual &&
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test_cmp expect actual &&
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git -C multisuper submodule add ../sub1 sub4 &&
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git -C multisuper submodule add ../sub1 sub5 &&
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git -C multisuper commit -m "add more submodules" &&
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# obtain the new superproject
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git -C multisuper_clone pull &&
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git -C multisuper_clone submodule update --init &&
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git -C multisuper_clone submodule status |cut -c1,43- >actual &&
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test_cmp expect2 actual
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'
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test_done
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