Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
Documentation/git-clone.txt | 10 +++++++++-
builtin-clone.c | 14 ++++++++++++++
t/t5703-clone-narrow.sh | 41 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 64 insertions(+), 1 deletions(-)
create mode 100755 t/t5703-clone-narrow.sh
diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index 95f08b9..acdced2 100644
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -12,7 +12,8 @@ SYNOPSIS
'git clone' [--template=<template_directory>]
[-l] [-s] [--no-hardlinks] [-q] [-n] [--bare] [--mirror]
[-o <name>] [-u <upload-pack>] [--reference <repository>]
- [--depth <depth>] [--] <repository> [<directory>]
+ [--depth <depth>] [-S|--sparse-checkout=<sparse patterns>] [--]
+ <repository> [<directory>]
DESCRIPTION
-----------
@@ -99,6 +100,13 @@ then the cloned repository will become corrupt.
-n::
No checkout of HEAD is performed after the clone is complete.
+-S=<sparse patterns>::
+--sparse-checkout=<sparse patterns>::
+ Make a sparse checkout instead of a full one.
+ This option will not work with either --no-checkout or --bare.
+ Please refer to linkgit:git-checkout[1] for more detail on
+ sparse checkout and sparse patterns.
+
--bare::
Make a 'bare' GIT repository. That is, instead of
creating `<directory>` and placing the administrative
diff --git a/builtin-clone.c b/builtin-clone.c
index 2feac9c..ea341a1 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, option_mirror;
static int option_local, option_no_hardlinks, option_shared;
static char *option_template, *option_reference, *option_depth;
+static char *option_narrow_path;
static char *option_origin = NULL;
static char *option_upload_pack = "git-upload-pack";
static int option_verbose;
@@ -45,6 +46,8 @@ static struct option builtin_clone_options[] = {
OPT__VERBOSE(&option_verbose),
OPT_BOOLEAN('n', "no-checkout", &option_no_checkout,
"don't create a checkout"),
+ OPT_STRING('S', "sparse-checkout", &option_narrow_path, "sparse patterns",
+ "only checkout certain files based on patterns"),
OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"),
OPT_BOOLEAN(0, "naked", &option_bare, "create a bare repository"),
OPT_BOOLEAN(0, "mirror", &option_mirror,
@@ -383,10 +386,15 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_origin)
die("--bare and --origin %s options are incompatible.",
option_origin);
+ if (option_narrow_path)
+ die("--bare and --sparse-checkout options are incompatible.");
option_no_checkout = 1;
use_separate_remote = 0;
}
+ if (option_no_checkout && option_narrow_path)
+ die("--no-checkout and --sparse-checkout options are incompatible.");
+
if (!option_origin)
option_origin = "origin";
@@ -597,10 +605,16 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
opts.src_index = &the_index;
opts.dst_index = &the_index;
+ if (option_narrow_path) {
+ opts.new_narrow_path = 1;
+ opts.narrow_spec = parse_narrow_spec(option_narrow_path, NULL);
+ }
+
tree = parse_tree_indirect(remote_head->old_sha1);
parse_tree(tree);
init_tree_desc(&t, tree->buffer, tree->size);
unpack_trees(1, &t, &opts);
+ free_narrow_spec(opts.narrow_spec);
if (write_cache(fd, active_cache, active_nr) ||
commit_locked_index(lock_file))
diff --git a/t/t5703-clone-narrow.sh b/t/t5703-clone-narrow.sh
new file mode 100755
index 0000000..e34246d
--- /dev/null
+++ b/t/t5703-clone-narrow.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+test_description='narrow clone'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+ rm -fr .git &&
+ test_create_repo src &&
+ (
+ cd src
+ mkdir -p work/sub/dir
+ touch untracked tracked modified added
+ touch work/untracked work/tracked work/modified work/added
+ git add tracked work/tracked
+ git add modified work/modified
+ git commit -m initial
+ )
+
+'
+
+test_expect_success 'narrow clone incompatible with --bare' '
+ rm -fr dst &&
+ test_must_fail git clone --sparse-checkout=work/ --bare src dst
+'
+
+test_expect_success 'narrow clone incompatible with --no-checkout' '
+ rm -fr dst &&
+ test_must_fail git clone --sparse-checkout=work/ -n src dst
+'
+
+test_expect_success 'clone with --sparse-checkout' '
+ (
+ rm -fr dst &&
+ git clone --sparse-checkout=work/ src dst &&
+ cd dst &&
+ test -z "$(git ls-files --sparse | grep -v ^work/)"
+ )
+'
+
+test_done
--
1.6.0.3.890.g95457
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