[PATCH v2] 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 <johannes.schindelin@gmx.de>
---
Interdiff to follow.
Documentation/git-clone.txt | 5 ++++-
builtin-clone.c | 24 ++++++++++++++++++++----
t/t5601-clone.sh | 10 ++++++++++
3 files changed, 34 insertions(+), 5 deletions(-)
diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index 26fd1b1..0e14e73 100644
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -10,7 +10,7 @@ SYNOPSIS
--------
[verse]
'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.
+--mirror::
+ 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
diff --git a/builtin-clone.c b/builtin-clone.c
index e086a40..ecdcefa 100644
--- a/builtin-clone.c
+++ b/builtin-clone.c
@@ -33,7 +33,7 @@ static const char * const builtin_clone_usage[] = {
NULL
};
-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)
diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh
index d785b3d..9cd5ef4 100755
--- a/t/t5601-clone.sh
+++ b/t/t5601-clone.sh
@@ -70,4 +70,14 @@ 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"
+
+'
+
test_done
--
1.6.0.rc1.70.g91e1d
Johannes Schindelin <johannes.schindelin@gmx.de>