Presently if you want to perform a sparse checkout, you must either do a
full clone and then recheckout, or do a git init, manually set up
sparse, and then fetch and checkout.
This patch implements easily accessible sparse checkouts during clone,
in the --sparse-checkout option.
$ git clone REPO --sparse-checkout PATH
Signed-off-by: Robin H. Johnson <robbat2@xxxxxxxxxx>
---
Documentation/git-clone.txt | 5 +++++
builtin/clone.c | 24 ++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index 0363d00..1c21207 100644
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -14,6 +14,7 @@ SYNOPSIS
[-o <name>] [-b <name>] [-u <upload-pack>] [--reference <repository>]
[--separate-git-dir <git dir>]
[--depth <depth>] [--[no-]single-branch]
+ [--sparse-checkout <path>]
[--recursive | --recurse-submodules] [--] <repository>
[<directory>]
@@ -209,6 +210,10 @@ objects from the source repository into a pack in the cloned repository.
The result is Git repository can be separated from working
tree.
+--sparse-checkout <path>::
+ Perform the initial checkout as a sparse checkout, checking out only the
+ paths specified by this option. This option may occur multiple times, with
+ one path per instance.
<repository>::
The (possibly remote) repository to clone from. See the
diff --git a/builtin/clone.c b/builtin/clone.c
index 43e772c..1137371 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -48,6 +48,7 @@ static int option_verbosity;
static int option_progress = -1;
static struct string_list option_config;
static struct string_list option_reference;
+static struct string_list option_sparse_checkout_path;
static int opt_parse_reference(const struct option *opt, const char *arg, int unset)
{
@@ -97,6 +98,8 @@ static struct option builtin_clone_options[] = {
N_("separate git dir from working tree")),
OPT_STRING_LIST('c', "config", &option_config, N_("key=value"),
N_("set config inside the new repository")),
+ OPT_STRING_LIST(0, "sparse-checkout", &option_sparse_checkout_path, N_("path"),
+ N_("set path for sparse checkout")),
OPT_END()
};
@@ -270,6 +273,24 @@ static void setup_reference(void)
for_each_string_list(&option_reference, add_one_reference, NULL);
}
+static void setup_sparse_checkout(void)
+{
+ FILE *info_sparse_checkout_fp;
+ struct string_list_item *item;
+ char *path = git_pathdup("info/sparse-checkout");
+ git_config_set("core.sparsecheckout", "true");
+ safe_create_leading_directories(path);
+ info_sparse_checkout_fp = fopen(path, "w");
+ if (!info_sparse_checkout_fp)
+ die(_("unable to create %s"), path);
+ for_each_string_list_item(item, &option_sparse_checkout_path) {
+ fprintf(info_sparse_checkout_fp, "%s\n", item->string);
+ }
+ fclose(info_sparse_checkout_fp);
+ adjust_shared_perm(path);
+ free(path);
+}
+
static void copy_alternates(struct strbuf *src, struct strbuf *dst,
const char *src_repo)
{
@@ -873,6 +894,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
init_db(option_template, INIT_DB_QUIET);
write_config(&option_config);
+ if(option_sparse_checkout_path.nr)
+ setup_sparse_checkout();
+
git_config(git_default_config, NULL);
if (option_bare) {
--
1.9.0.291.g027825b.dirty
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