/*
* Builtin "git clone"
*
* Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>,
* 2008 Daniel Barkalow <barkalow@iabervon.org>
* Based on git-commit.sh by Junio C Hamano and Linus Torvalds
*
* Clone a repository into a different directory that does not yet exist.
*/
#include "builtin.h"
#include "lockfile.h"
#include "parse-options.h"
#include "fetch-pack.h"
#include "refs.h"
#include "tree.h"
#include "tree-walk.h"
#include "unpack-trees.h"
#include "transport.h"
#include "strbuf.h"
#include "dir.h"
#include "sigchain.h"
#include "branch.h"
#include "remote.h"
#include "run-command.h"
#include "connected.h"
/*
* Overall FIXMEs:
* - respect DB_ENVIRONMENT for .git/objects.
*
* Implementation notes:
* - dropping use-separate-remote and no-separate-remote compatibility
*
*/
static const char * const builtin_clone_usage[] = {
N_("git clone [<options>] [--] <repo> [<dir>]"),
NULL
};
static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
static int option_local = -1, option_no_hardlinks, option_shared, option_recursive;
static char *option_template, *option_depth;
static char *option_origin = NULL;
static char *option_branch = NULL;
static const char *real_git_dir;
static char *option_upload_pack = "git-upload-pack";
static int option_verbosity;
static int option_progress = -1;
static struct string_list option_config;
static struct string_list option_reference;
static int option_dissociate;
static struct option builtin_clone_options[] = {
OPT__VERBOSITY(&option_verbosity),
OPT_BOOL(0, "progress", &option_progress,
N_("force progress reporting")),
OPT_BOOL('n', "no-checkout", &option_no_checkout,
N_("don't create a checkout")),
OPT_BOOL(0, "bare", &option_bare, N_("create a bare repository")),
OPT_HIDDEN_BOOL(0, "naked", &option_bare,
N_("create a bare repository")),
OPT_BOOL(0, "mirror", &option_mirror,
N_("create a mirror repository (implies bare)")),
OPT_BOOL('l', "local", &option_local,
N_("to clone from a local repository")),
OPT_BOOL(0, "no-hardlinks", &option_no_hardlinks,
N_("don't use local hardlinks, always copy")),
OPT_BOOL('s', "shared", &option_shared,
N_("setup as shared repository")),
OPT_BOOL(0, "recursive", &option_recursive,
N_("initialize submodules in the clone")),
OPT_BOOL(0, "recurse-submodules", &option_recursive,
N_("initialize submodules in the clone")),
OPT_STRING(0, "template", &option_template, N_("template-directory"),
N_("directory from which templates will be used")),
OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"),
N_("reference repository")),
OPT_BOOL(0, "dissociate", &option_dissociate,
N_("use --reference only while cloning")),
OPT_STRING('o', "origin", &option_origin, N_("name"),
N_("use <name> instead of 'origin' to track upstream")),
OPT_STRING('b', "branch", &option_branch, N_("branch"),
N_("checkout <branch> instead of the remote's HEAD")),
OPT_STRING('u', "upload-pack", &option_upload_pack, N_("path"),
N_("path to git-upload-pack on the remote")),
OPT_STRING(0, "depth", &option_depth, N_("depth"),
N_("create a shallow clone of that depth")),
OPT_BOOL(0, "single-branch", &option_single_branch,
N_("clone only one branch, HEAD or --branch")),
OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
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_END()
};
static const char *argv_submodule[] = {
"submodule", "update", "--init", "--recursive", NULL
};
static const char *get_repo_path_1(struct strbuf *path, int *is_bundle)
{
static char *suffix[] = { "/.git", "", ".git/.git", ".git" };
static char *bundle_suffix[] = { ".bundle", "" };
size_t baselen = path->len;
struct stat st;
int i;
for (i = 0; i < ARRAY_SIZE(suffix); i++) {
strbuf_setlen(path, baselen);
strbuf_addstr(path, suffix[i]);
if (stat(path->buf, &st))
continue;
if (S_ISDIR(st.st_mode) && is_git_directory(path->buf)) {
*is_bundle = 0;
return path->buf;
} else if (S_ISREG(st.st_mode) && st.st_size > 8) {
/* Is it a "gitfile"? */
char signature[8];
const char *dst;
int len, fd = open(path->buf, O_RDONLY);
if (fd < 0)
continue;
len = read_in_full(fd, signature, 8);
close(fd);
if (len != 8 || strncmp(signature, "gitdir: ", 8))
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