> On 13 Apr 2016, at 01:48, Stefan Beller <sbel...@google.com> wrote:
>
> When cloning a local repository, the user may choose to use an optimization
> such that the transfer uses a Git agnostic protocol. Propagate the users
> choice to submodules or if they don't choose, propagate nothing.
> A test will be added in a later patch.
>
> Signed-off-by: Stefan Beller <sbel...@google.com>
> ---
> builtin/clone.c | 14 ++++++++++++++
> builtin/submodule--helper.c | 22 +++++++++++++++++++---
> git-submodule.sh | 7 +++++++
> 3 files changed, 40 insertions(+), 3 deletions(-)
>
> diff --git a/builtin/clone.c b/builtin/clone.c
> index b004fb4..7453244 100644
> --- a/builtin/clone.c
> +++ b/builtin/clone.c
> @@ -727,6 +727,20 @@ static int checkout(void)
> struct argv_array args = ARGV_ARRAY_INIT;
> argv_array_pushl(&args, "submodule", "update", "--init",
> "--recursive", NULL);
>
> + switch (option_local) {
> + case 1:
> + argv_array_push(&args, "--local");
> + break;
> + case 0:
> + argv_array_push(&args, "--no-local");
> + break;
> + case -1:
> + /* pass nothing */
> + break;
> + default:
> + die("BUG: option_local out of range");
> + }
> +
> if (max_jobs != -1)
> argv_array_pushf(&args, "--jobs=%d", max_jobs);
>
> diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
> index a484945..822ec69 100644
> --- a/builtin/submodule--helper.c
> +++ b/builtin/submodule--helper.c
> @@ -125,7 +125,8 @@ static int module_name(int argc, const char **argv, const
> char *prefix)
> return 0;
> }
> static int clone_submodule(const char *path, const char *gitdir, const char
> *url,
> - const char *depth, const char *reference, int quiet)
> + const char *depth, const char *reference, int quiet,
> + int local)
> {
> struct child_process cp;
> child_process_init(&cp);
> @@ -140,6 +141,10 @@ static int clone_submodule(const char *path, const char
> *gitdir, const char *url
> argv_array_pushl(&cp.args, "--reference", reference, NULL);
> if (gitdir && *gitdir)
> argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
> + if (local == 1)
bikeshedding: Why do you use == 1 here and !local below? I would either compare
both against
integers or none ("if (local)" should work here, too, no?). Or is this a Git
coding guideline
that I am not yet aware of?
> + argv_array_push(&cp.args, "--local");
> + else if (!local)
> + argv_array_push(&cp.args, "--no-local");
>
> argv_array_push(&cp.args, url);
> argv_array_push(&cp.args, path);
> @@ -156,6 +161,7 @@ static int module_clone(int argc, const char **argv,
> const char *prefix)
> const char *path = NULL, *name = NULL, *url = NULL;
> const char *reference = NULL, *depth = NULL;
> int quiet = 0;
> + int local = -1;
> FILE *submodule_dot_git;
> char *sm_gitdir, *cwd, *p;
> struct strbuf rel_path = STRBUF_INIT;
> @@ -180,6 +186,8 @@ static int module_clone(int argc, const char **argv,
> const char *prefix)
> OPT_STRING(0, "depth", &depth,
> N_("string"),
> N_("depth for shallow clones")),
> + OPT_BOOL(0, "local", &local,
> + N_("to clone from a local repository")),
TBH I think "local" could be misleading here. How about
"--pass-transfer-protocol-on-to-submodules"
or something? If I understand this option correctly then this could be useful
for other cases besides
"local". Imagine you clone a repo via HTTPS that has references to SSH
submodules on the same
server. If you don't have a proper SSH setup then the submodule clone will fail.
> OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
> OPT_END()
> };
> @@ -200,7 +208,8 @@ static int module_clone(int argc, const char **argv,
> const char *prefix)
> if (!file_exists(sm_gitdir)) {
> if (safe_create_leading_directories_const(sm_gitdir) < 0)
> die(_("could not create directory '%s'"), sm_gitdir);
> - if (clone_submodule(path, sm_gitdir, url, depth, reference,
> quiet))
> + if (clone_submodule(path, sm_gitdir, url, depth, reference,
> + quiet, local))
> die(_("clone of '%s' into submodule path '%s' failed"),
> url, path);
> } else {
> @@ -266,6 +275,7 @@ struct submodule_update_clone {
>
> /* configuration parameters which are passed on to the children */
> int quiet;
> + int local;
> const char *reference;
> const char *depth;
> const char *recursive_prefix;
> @@ -278,7 +288,7 @@ struct submodule_update_clone {
> unsigned quickstop : 1;
> };
> #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
> - SUBMODULE_UPDATE_STRATEGY_INIT, 0, NULL, NULL, NULL, NULL, \
> + SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, NULL, NULL, NULL, NULL, \
> STRING_LIST_INIT_DUP, 0}
>
> /**
> @@ -367,6 +377,10 @@ static int prepare_to_clone_next_submodule(const struct
> cache_entry *ce,
> child->err = -1;
> argv_array_push(&child->args, "submodule--helper");
> argv_array_push(&child->args, "clone");
> + if (suc->local == 1)
> + argv_array_push(&child->args, "--local");
> + else if (!suc->local)
> + argv_array_push(&child->args, "--no-local");
> if (suc->quiet)
> argv_array_push(&child->args, "--quiet");
> if (suc->prefix)
> @@ -451,6 +465,8 @@ static int update_clone(int argc, const char **argv,
> const char *prefix)
> OPT_STRING(0, "depth", &suc.depth, "<depth>",
> N_("Create a shallow clone truncated to the "
> "specified number of revisions")),
> + OPT_BOOL(0, "local", &suc.local,
> + N_("to clone from a local repository")),
same as above
> OPT_INTEGER('j', "jobs", &max_jobs,
> N_("parallel jobs")),
> OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
> diff --git a/git-submodule.sh b/git-submodule.sh
> index 86018ee..4d5e8c7 100755
> --- a/git-submodule.sh
> +++ b/git-submodule.sh
> @@ -653,6 +653,12 @@ cmd_update()
> --jobs=*)
> jobs=$1
> ;;
> + --local)
> + option_local="--local"
> + ;;
> + --no-local)
> + option_local="--no-local"
> + ;;
> --)
> shift
> break
> @@ -680,6 +686,7 @@ cmd_update()
> ${reference:+--reference "$reference"} \
> ${depth:+--depth "$depth"} \
> ${jobs:+$jobs} \
> + ${option_local:+$option_local} \
> "$@" || echo "#unmatched"
> } | {
> err=
> --
> 2.5.0.264.gc776916.dirty
>
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