Commit bc699afc authored by Johannes Schindelin's avatar Johannes Schindelin Committed by Junio C Hamano

clone: Add an option to set up a mirror

The command line

	$ git clone --mirror $URL

is now a short-hand for

	$ git clone --bare $URL
	$ (cd $(basename $URL) && git remote add --mirror origin $URL)
Signed-off-by: Johannes Schindelin's avatarJohannes Schindelin <>
Signed-off-by: default avatarJunio C Hamano <>
parent 372c7676
......@@ -10,7 +10,7 @@ SYNOPSIS
'git clone' [--template=<template_directory>]
[-l] [-s] [--no-hardlinks] [-q] [-n] [--bare]
[-l] [-s] [--no-hardlinks] [-q] [-n] [--bare] [--mirror]
[-o <name>] [-u <upload-pack>] [--reference <repository>]
[--depth <depth>] [--] <repository> [<directory>]
......@@ -106,6 +106,9 @@ then the cloned repository will become corrupt.
used, neither remote-tracking branches nor the related
configuration variables are created.
Set up a mirror of the remote repository. This implies --bare.
--origin <name>::
-o <name>::
Instead of using the remote name 'origin' to keep track
......@@ -33,7 +33,7 @@ static const char * const builtin_clone_usage[] = {
static int option_quiet, option_no_checkout, option_bare;
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_origin = NULL;
......@@ -45,6 +45,8 @@ static struct option builtin_clone_options[] = {
"don't create a checkout"),
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,
"create a mirror repository (implies bare)"),
OPT_BOOLEAN('l', "local", &option_local,
"to clone from a local repository"),
OPT_BOOLEAN(0, "no-hardlinks", &option_no_hardlinks,
......@@ -345,6 +347,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
char branch_top[256], key[256], value[256];
struct strbuf reflog_msg;
struct transport *transport = NULL;
char *src_ref_prefix = "refs/heads/";
struct refspec refspec;
......@@ -359,6 +362,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_no_hardlinks)
use_local_hardlinks = 0;
if (option_mirror)
option_bare = 1;
if (option_bare) {
if (option_origin)
die("--bare and --origin %s options are incompatible.",
......@@ -440,26 +446,36 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
git_config(git_default_config, NULL);
if (option_bare) {
strcpy(branch_top, "refs/heads/");
if (option_mirror)
src_ref_prefix = "refs/";
strcpy(branch_top, src_ref_prefix);
git_config_set("core.bare", "true");
} else {
snprintf(branch_top, sizeof(branch_top),
"refs/remotes/%s/", option_origin);
if (option_mirror || !option_bare) {
/* Configure the remote */
if (option_mirror) {
snprintf(key, sizeof(key),
"remote.%s.mirror", option_origin);
git_config_set(key, "true");
snprintf(key, sizeof(key), "remote.%s.url", option_origin);
git_config_set(key, repo);
snprintf(key, sizeof(key), "remote.%s.fetch", option_origin);
snprintf(value, sizeof(value),
"+refs/heads/*:%s*", branch_top);
"+%s*:%s*", src_ref_prefix, branch_top);
git_config_set_multivar(key, value, "^$", 0);
refspec.force = 0;
refspec.pattern = 1;
refspec.src = "refs/heads/";
refspec.src = src_ref_prefix;
refspec.dst = branch_top;
if (path && !is_bundle)
......@@ -115,7 +115,7 @@ static int add(int argc, const char **argv)
if (mirror) {
strbuf_addf(&buf, "remote.%s.mirror", name);
if (git_config_set(buf.buf, "yes"))
if (git_config_set(buf.buf, "true"))
return 1;
......@@ -70,4 +70,16 @@ test_expect_success 'clone creates intermediate directories for bare repo' '
test_expect_success 'clone --mirror' '
git clone --mirror src mirror &&
test -f mirror/HEAD &&
test ! -f mirror/file &&
FETCH="$(cd mirror && git config remote.origin.fetch)" &&
test "+refs/*:refs/*" = "$FETCH" &&
MIRROR="$(cd mirror && git config --bool remote.origin.mirror)" &&
test "$MIRROR" = true
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment