Add a git-drover.
This uses the same trick as git-new-workdir to reuse an existing git
checkout without interfering with it. However, this makes it only usable
on platforms where os.symlink exists.
BUG=404755
Review URL: https://codereview.chromium.org/1342383002
git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@296920 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/git_common.py b/git_common.py
index 9e0adf2..5a01c83 100644
--- a/git_common.py
+++ b/git_common.py
@@ -22,6 +22,7 @@
import logging
import os
import re
+import shutil
import signal
import sys
import tempfile
@@ -817,3 +818,38 @@
missing_upstreams[info.upstream] = None
return dict(info_map.items() + missing_upstreams.items())
+
+
+def make_workdir_common(repository, new_workdir, files_to_symlink,
+ files_to_copy):
+ os.makedirs(new_workdir)
+ for entry in files_to_symlink:
+ clone_file(repository, new_workdir, entry, os.symlink)
+ for entry in files_to_copy:
+ clone_file(repository, new_workdir, entry, shutil.copy)
+
+
+def make_workdir(repository, new_workdir):
+ GIT_DIRECTORY_WHITELIST = [
+ 'config',
+ 'info',
+ 'hooks',
+ 'logs/refs',
+ 'objects',
+ 'packed-refs',
+ 'refs',
+ 'remotes',
+ 'rr-cache',
+ 'svn'
+ ]
+ make_workdir_common(repository, new_workdir, GIT_DIRECTORY_WHITELIST,
+ ['HEAD'])
+
+
+def clone_file(repository, new_workdir, link, operation):
+ if not os.path.exists(os.path.join(repository, link)):
+ return
+ link_dir = os.path.dirname(os.path.join(new_workdir, link))
+ if not os.path.exists(link_dir):
+ os.makedirs(link_dir)
+ operation(os.path.join(repository, link), os.path.join(new_workdir, link))