Call subversion without disabling the fucking certificate validation
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'core'}
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DOCUMENTATION = '''
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---
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module: subversion
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short_description: Deploys a subversion repository
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description:
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- Deploy given repository URL / revision to dest. If dest exists, update to the specified revision, otherwise perform a checkout.
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version_added: "0.7"
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author:
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- Dane Summers (@dsummersl) <njharman@gmail.com>
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notes:
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- Requires I(svn) to be installed on the client.
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- This module does not handle externals.
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options:
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repo:
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description:
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- The subversion URL to the repository.
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required: true
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aliases: [ name, repository ]
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dest:
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description:
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- Absolute path where the repository should be deployed.
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required: true
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revision:
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description:
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- Specific revision to checkout.
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default: HEAD
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aliases: [ version ]
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force:
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description:
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- If C(yes), modified files will be discarded. If C(no), module will fail if it encounters modified files.
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Prior to 1.9 the default was C(yes).
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type: bool
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default: "no"
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in_place:
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description:
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- If the directory exists, then the working copy will be checked-out over-the-top using
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svn checkout --force; if force is specified then existing files with different content are reverted
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type: bool
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default: "no"
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version_added: "2.6"
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username:
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description:
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- C(--username) parameter passed to svn.
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password:
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description:
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- C(--password) parameter passed to svn when svn is less than version 1.10.0. This is not secure and
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the password will be leaked to argv.
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- C(--password-from-stdin) parameter when svn is greater or equal to version 1.10.0.
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executable:
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description:
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- Path to svn executable to use. If not supplied,
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the normal mechanism for resolving binary paths will be used.
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version_added: "1.4"
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checkout:
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description:
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- If C(no), do not check out the repository if it does not exist locally.
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type: bool
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default: "yes"
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version_added: "2.3"
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update:
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description:
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- If C(no), do not retrieve new revisions from the origin repository.
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type: bool
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default: "yes"
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version_added: "2.3"
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export:
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description:
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- If C(yes), do export instead of checkout/update.
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type: bool
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default: "no"
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version_added: "1.6"
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switch:
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description:
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- If C(no), do not call svn switch before update.
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default: "yes"
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version_added: "2.0"
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type: bool
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'''
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EXAMPLES = '''
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- name: Checkout subversion repository to specified folder
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subversion:
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repo: svn+ssh://an.example.org/path/to/repo
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dest: /src/checkout
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- name: Export subversion directory to folder
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subversion:
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repo: svn+ssh://an.example.org/path/to/repo
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dest: /src/export
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export: yes
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- name: Get information about the repository whether or not it has already been cloned locally
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- subversion:
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repo: svn+ssh://an.example.org/path/to/repo
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dest: /srv/checkout
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checkout: no
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update: no
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'''
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import os
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import re
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from distutils.version import LooseVersion
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from ansible.module_utils.basic import AnsibleModule
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class Subversion(object):
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def __init__(self, module, dest, repo, revision, username, password, svn_path):
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self.module = module
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self.dest = dest
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self.repo = repo
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self.revision = revision
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self.username = username
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self.password = password
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self.svn_path = svn_path
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def has_option_password_from_stdin(self):
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rc, version, err = self.module.run_command([self.svn_path, '--version', '--quiet'], check_rc=True)
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return LooseVersion(version) >= LooseVersion('1.10.0')
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def _exec(self, args, check_rc=True):
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'''Execute a subversion command, and return output. If check_rc is False, returns the return code instead of the output.'''
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bits = [
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self.svn_path,
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'--non-interactive',
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'--no-auth-cache',
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]
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stdin_data = None
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if self.username:
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bits.extend(["--username", self.username])
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if self.password:
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if self.has_option_password_from_stdin():
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bits.append("--password-from-stdin")
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stdin_data = self.password
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else:
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self.module.warn("The authentication provided will be used on the svn command line and is not secure. "
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"To securely pass credentials, upgrade svn to version 1.10.0 or greater.")
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bits.extend(["--password", self.password])
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bits.extend(args)
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rc, out, err = self.module.run_command(bits, check_rc, data=stdin_data)
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if check_rc:
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return out.splitlines()
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else:
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return rc
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def is_svn_repo(self):
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'''Checks if path is a SVN Repo.'''
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rc = self._exec(["info", self.dest], check_rc=False)
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return rc == 0
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def checkout(self, force=False):
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'''Creates new svn working directory if it does not already exist.'''
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cmd = ["checkout"]
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if force:
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cmd.append("--force")
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cmd.extend(["-r", self.revision, self.repo, self.dest])
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self._exec(cmd)
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def export(self, force=False):
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'''Export svn repo to directory'''
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cmd = ["export"]
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if force:
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cmd.append("--force")
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cmd.extend(["-r", self.revision, self.repo, self.dest])
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self._exec(cmd)
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def switch(self):
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'''Change working directory's repo.'''
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# switch to ensure we are pointing at correct repo.
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# it also updates!
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output = self._exec(["switch", self.repo, self.dest])
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for line in output:
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if re.search(r'^[ABDUCGE]\s', line):
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return True
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return False
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def update(self):
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'''Update existing svn working directory.'''
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output = self._exec(["update", "-r", self.revision, self.dest])
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for line in output:
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if re.search(r'^[ABDUCGE]\s', line):
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return True
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return False
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def revert(self):
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'''Revert svn working directory.'''
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output = self._exec(["revert", "-R", self.dest])
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for line in output:
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if re.search(r'^Reverted ', line) is None:
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return True
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return False
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def get_revision(self):
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'''Revision and URL of subversion working directory.'''
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text = '\n'.join(self._exec(["info", self.dest]))
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rev = re.search(r'^Revision:.*$', text, re.MULTILINE).group(0)
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url = re.search(r'^URL:.*$', text, re.MULTILINE).group(0)
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return rev, url
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def get_remote_revision(self):
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'''Revision and URL of subversion working directory.'''
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text = '\n'.join(self._exec(["info", self.repo]))
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rev = re.search(r'^Revision:.*$', text, re.MULTILINE).group(0)
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return rev
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def has_local_mods(self):
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'''True if revisioned files have been added or modified. Unrevisioned files are ignored.'''
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lines = self._exec(["status", "--quiet", "--ignore-externals", self.dest])
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# The --quiet option will return only modified files.
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# Match only revisioned files, i.e. ignore status '?'.
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regex = re.compile(r'^[^?X]')
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# Has local mods if more than 0 modified revisioned files.
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return len(list(filter(regex.match, lines))) > 0
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def needs_update(self):
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curr, url = self.get_revision()
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out2 = '\n'.join(self._exec(["info", "-r", "HEAD", self.dest]))
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head = re.search(r'^Revision:.*$', out2, re.MULTILINE).group(0)
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rev1 = int(curr.split(':')[1].strip())
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rev2 = int(head.split(':')[1].strip())
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change = False
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if rev1 < rev2:
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change = True
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return change, curr, head
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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dest=dict(type='path'),
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repo=dict(type='str', required=True, aliases=['name', 'repository']),
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revision=dict(type='str', default='HEAD', aliases=['rev', 'version']),
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force=dict(type='bool', default=False),
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username=dict(type='str'),
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password=dict(type='str', no_log=True),
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executable=dict(type='path'),
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export=dict(type='bool', default=False),
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checkout=dict(type='bool', default=True),
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update=dict(type='bool', default=True),
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switch=dict(type='bool', default=True),
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in_place=dict(type='bool', default=False),
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),
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supports_check_mode=True,
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)
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dest = module.params['dest']
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repo = module.params['repo']
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revision = module.params['revision']
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force = module.params['force']
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username = module.params['username']
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password = module.params['password']
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svn_path = module.params['executable'] or module.get_bin_path('svn', True)
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export = module.params['export']
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switch = module.params['switch']
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checkout = module.params['checkout']
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update = module.params['update']
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in_place = module.params['in_place']
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# We screenscrape a huge amount of svn commands so use C locale anytime we
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# call run_command()
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module.run_command_environ_update = dict(LANG='C', LC_MESSAGES='C')
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if not dest and (checkout or update or export):
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module.fail_json(msg="the destination directory must be specified unless checkout=no, update=no, and export=no")
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svn = Subversion(module, dest, repo, revision, username, password, svn_path)
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if not export and not update and not checkout:
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module.exit_json(changed=False, after=svn.get_remote_revision())
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if export or not os.path.exists(dest):
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before = None
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local_mods = False
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if module.check_mode:
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module.exit_json(changed=True)
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elif not export and not checkout:
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module.exit_json(changed=False)
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if not export and checkout:
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svn.checkout()
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files_changed = True
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else:
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svn.export(force=force)
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files_changed = True
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elif svn.is_svn_repo():
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# Order matters. Need to get local mods before switch to avoid false
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# positives. Need to switch before revert to ensure we are reverting to
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# correct repo.
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if not update:
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module.exit_json(changed=False)
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if module.check_mode:
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if svn.has_local_mods() and not force:
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module.fail_json(msg="ERROR: modified files exist in the repository.")
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check, before, after = svn.needs_update()
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module.exit_json(changed=check, before=before, after=after)
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files_changed = False
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before = svn.get_revision()
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local_mods = svn.has_local_mods()
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if switch:
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files_changed = svn.switch() or files_changed
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if local_mods:
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if force:
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files_changed = svn.revert() or files_changed
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else:
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module.fail_json(msg="ERROR: modified files exist in the repository.")
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files_changed = svn.update() or files_changed
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elif in_place:
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before = None
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svn.checkout(force=True)
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files_changed = True
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local_mods = svn.has_local_mods()
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if local_mods and force:
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svn.revert()
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else:
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module.fail_json(msg="ERROR: %s folder already exists, but its not a subversion repository." % (dest,))
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if export:
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module.exit_json(changed=True)
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else:
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after = svn.get_revision()
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changed = files_changed or local_mods
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module.exit_json(changed=changed, before=before, after=after)
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if __name__ == '__main__':
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main()
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