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Fix git shallow update (#3794)

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* remove unused variables

* fetch branch name instead of HEAD

fix #3782, which was introduced by f1bacc1d3f

* disable git depth option for old git versions

fixes #3782
git support for `--depth` did not fully work in old git versions (before 1.8.2)
fall back to full clones/fetches on those versions
pull/18777/head
Robin Roth 9 years ago committed by Matt Clay
parent 38013de366
commit 513c3bf287
1 changed files with 36 additions and 14 deletions
Show Stats Download Patch File Download Diff File

50
lib/ansible/modules/source_control/git.py
Unescape Escape View File

@ -206,6 +206,7 @@ EXAMPLES = '''
import re
import tempfile
from distutils.version import LooseVersion
def get_submodule_update_params(module, git_path, cwd):
@ -510,7 +511,7 @@ def set_remote_url(git_path, module, repo, dest, remote):
if rc != 0:
module.fail_json(msg="Failed to %s: %s %s" % (label, out, err))
def fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec):
def fetch(git_path, module, repo, dest, version, remote_head, remote, depth, bare, refspec):
''' updates repo from remote sources '''
set_remote_url(git_path, module, repo, dest, remote)
commands = []
@ -523,12 +524,12 @@ def fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec):
if depth:
# try to find the minimal set of refs we need to fetch to get a
# successful checkout
currenthead = get_head_branch(git_path, module, dest, remote)
if refspec:
refspecs.append(refspec)
elif version == 'HEAD':
refspecs.append('HEAD')
refspecs.append(currenthead)
elif is_remote_branch(git_path, module, dest, repo, version):
currenthead = get_head_branch(git_path, module, dest, remote)
if currenthead != version:
# this workaroung is only needed for older git versions
# 1.8.3 is broken, 1.9.x works
@ -541,6 +542,7 @@ def fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec):
refspecs.append('+refs/tags/'+version+':refs/tags/'+version)
if refspecs:
# if refspecs is empty, i.e. version is neither heads nor tags
# assume it is a version hash
# fall back to a full clone, otherwise we might not be able to checkout
# version
fetch_cmd.extend(['--depth', str(depth)])
@ -703,6 +705,20 @@ def verify_commit_sign(git_path, module, dest, version):
module.fail_json(msg='Failed to verify GPG signature of commit/tag "%s"' % version, stdout=out, stderr=err, rc=rc)
return (rc, out, err)
def git_version(git_path, module):
"""return the installed version of git"""
cmd = "%s --version" % git_path
(rc, out, err) = module.run_command(cmd)
if rc != 0:
# one could fail_json here, but the version info is not that important, so let's try to fail only on actual git commands
return None
rematch = re.search('git version (.*)$', out)
if not rematch:
return None
return LooseVersion(rematch.groups()[0])
# ===========================================
def main():
@ -746,6 +762,9 @@ def main():
key_file = module.params['key_file']
ssh_opts = module.params['ssh_opts']
return_values = {}
return_values['warnings'] = []
# We screenscrape a huge amount of git commands so use C locale anytime we
# call run_command()
module.run_command_environ_update = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C', LC_CTYPE='C')
@ -775,12 +794,15 @@ def main():
add_git_host_key(module, repo, accept_hostkey=module.params['accept_hostkey'])
else:
add_git_host_key(module, repo, accept_hostkey=module.params['accept_hostkey'])
git_version_used = git_version(git_path, module)
if depth is not None and git_version_used < LooseVersion('1.8.2'):
return_values['warnings'].append("Your git version is too old to fully support the depth argument. Falling back to full checkouts.")
depth = None
recursive = module.params['recursive']
track_submodules = module.params['track_submodules']
rc, out, err, status = (0, None, None, None)
before = None
local_mods = False
repo_updated = None
@ -791,7 +813,7 @@ def main():
# In those cases we do an ls-remote
if module.check_mode or not allow_clone:
remote_head = get_remote_head(git_path, module, dest, version, repo, bare)
module.exit_json(changed=True, before=before, after=remote_head)
module.exit_json(changed=True, before=before, after=remote_head, **return_values)
# there's no git config, so clone
clone(git_path, module, repo, dest, remote, depth, version, bare, reference, refspec, verify_commit)
repo_updated = True
@ -800,7 +822,7 @@ def main():
# this does no checking that the repo is the actual repo
# requested.
before = get_version(module, git_path, dest)
module.exit_json(changed=False, before=before, after=before)
module.exit_json(changed=False, before=before, after=before, **return_values)
else:
# else do a pull
local_mods = has_local_mods(module, git_path, dest, bare)
@ -808,7 +830,7 @@ def main():
if local_mods:
# failure should happen regardless of check mode
if not force:
module.fail_json(msg="Local modifications exist in repository (force=no).")
module.fail_json(msg="Local modifications exist in repository (force=no).", **return_values)
# if force and in non-check mode, do a reset
if not module.check_mode:
reset(git_path, module, dest)
@ -818,7 +840,7 @@ def main():
if before == remote_head:
if local_mods:
module.exit_json(changed=True, before=before, after=remote_head,
msg="Local modifications exist")
msg="Local modifications exist", **return_values)
elif is_remote_tag(git_path, module, dest, repo, version):
# if the remote is a tag and we have the tag locally, exit early
if version in get_tags(git_path, module, dest):
@ -829,8 +851,8 @@ def main():
repo_updated = False
if repo_updated is None:
if module.check_mode:
module.exit_json(changed=True, before=before, after=remote_head)
fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec)
module.exit_json(changed=True, before=before, after=remote_head, **return_values)
fetch(git_path, module, repo, dest, version, remote_head, remote, depth, bare, refspec)
repo_updated = True
# switch to version specified regardless of whether
@ -845,9 +867,9 @@ def main():
if module.check_mode:
if submodules_updated:
module.exit_json(changed=True, before=before, after=remote_head, submodules_changed=True)
module.exit_json(changed=True, before=before, after=remote_head, submodules_changed=True, **return_values)
else:
module.exit_json(changed=False, before=before, after=remote_head)
module.exit_json(changed=False, before=before, after=remote_head, **return_values)
if submodules_updated:
# Switch to version specified
@ -868,7 +890,7 @@ def main():
# No need to fail if the file already doesn't exist
pass
module.exit_json(changed=changed, before=before, after=after)
module.exit_json(changed=changed, before=before, after=after, **return_values)
# import module snippets
from ansible.module_utils.basic import *

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