[PATCH 08/12] git-clone: support --path to do sparse clone

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin-clone.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/builtin-clone.c b/builtin-clone.c
index 3522245..229f2e2 100644
--- a/builtin-clone.c
+++ b/builtin-clone.c
@@ -36,6 +36,7 @@ static const char * const builtin_clone_usage[] = {
 static int option_quiet, option_no_checkout, option_bare;
 static int option_local, option_no_hardlinks, option_shared;
 static char *option_template, *option_reference, *option_depth;
+static char *option_sparse_prefix;
 static char *option_origin = NULL;
 static char *option_upload_pack = "git-upload-pack";
 
@@ -43,6 +44,8 @@ static struct option builtin_clone_options[] = {
 	OPT__QUIET(&option_quiet),
 	OPT_BOOLEAN('n', "no-checkout", &option_no_checkout,
 		    "don't create a checkout"),
+	OPT_STRING(0, "path", &option_sparse_prefix, "prefixes",
+		    "limit checkout to specified paths (sparse checkout)"),
 	OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"),
 	OPT_BOOLEAN(0, "naked", &option_bare, "create a bare repository"),
 	OPT_BOOLEAN('l', "local", &option_local,
@@ -364,9 +367,14 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
 			die("--bare and --origin %s options are incompatible.",
 			    option_origin);
 		option_no_checkout = 1;
+		if (option_sparse_prefix)
+			die("--bare and --path options are incompatible.");
 		use_separate_remote = 0;
 	}
 
+	if (option_no_checkout && option_sparse_prefix)
+		die("--no-checkout and --path options are incompatible.");
+
 	if (!option_origin)
 		option_origin = "origin";
 
@@ -549,6 +557,11 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
 		/* We need to be in the new work tree for the checkout */
 		setup_work_tree();
 
+		if (option_sparse_prefix) {
+			git_config_set("core.sparsecheckout", option_sparse_prefix);
+			set_sparse_prefix(option_sparse_prefix);
+		}
+
 		fd = hold_locked_index(lock_file, 1);
 
 		memset(&opts, 0, sizeof opts);
-- 
1.5.5.GIT