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Merge pull request #1746 from njharman/subversion
Subverion module improvements
This commit is contained in:
Michael DeHaan
commit
f2893b6418
1 changed files with 105 additions and 106 deletions
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@ -23,8 +23,12 @@ DOCUMENTATION = '''
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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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- This module is really simple, it checks out from the given branch of a repo or at a particular tag.
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- Deploy given repository URL / revision to dest.
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version_added: "0.7"
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author: Dane Summers, njharman@gmail.com
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notes:
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- Requres I(svn) to be installed on the client.
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requirements: []
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options:
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repo:
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description:
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@ -36,141 +40,136 @@ options:
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- Absolute path where the repository should be deployed.
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required: true
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default: null
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revision:
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description:
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- Specific revision to checkout.
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required: false
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default: HEAD
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force:
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description:
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- If C(yes), any modified files in the working repository will be discarded. If C(no), this module will fail if it encounters modified files.
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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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required: false
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default: yes
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choices: [ "yes", "no" ]
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username:
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description:
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- --username parameter passed to svn.
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required: false
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default: null
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password:
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description:
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- --password parameter passed to svn.
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required: false
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default: null
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examples:
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- code: "subversion: repo=svn+ssh://an.example.org/path/to/repo dest=/src/checkout"
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description: Export subversion repository in a specified folder
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notes:
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- Requires I(subversion) and I(grep) on the client.
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requirements: [ ]
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author: Dane Summers
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description: Checkout subversion repository to specified folder.
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'''
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import re
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def get_version(dest):
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''' samples the version of the git repo '''
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os.chdir(dest)
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cmd = "svn info"
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revision = filter(lambda l: re.search('Revision',l) != None,os.popen(cmd).read().splitlines())
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url = filter(lambda l: re.search('^URL',l) != None,os.popen(cmd).read().splitlines())
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return [revision[0],url[0]]
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def checkout(repo, dest):
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''' makes a new svn repo if it does not already exist '''
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cmd = "svn co %s %s" % (repo, dest)
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cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = cmd.communicate()
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rc = cmd.returncode
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return (rc, out, err)
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class Subversion(object):
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def __init__(self, module, dest, repo, revision, username, password):
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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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def switch(repo, dest):
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''' makes a new svn repo if it does not already exist '''
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cmd = "svn sw %s %s" % (repo, dest)
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cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = cmd.communicate()
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rc = cmd.returncode
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return (rc, out, err)
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def _exec(self, args):
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bits = ["svn --non-interactive --no-auth-cache", ]
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if self.username:
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bits.append("--username '%s'" % self.username)
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if self.password:
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bits.append("--password '%s'" % self.password)
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bits.append(args)
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cmd = subprocess.Popen(' '.join(bits), shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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rc = cmd.returncode
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if rc != 0:
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self.module.fail_json(msg=err)
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return out.splitlines()
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def has_local_mods(dest):
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os.chdir(dest)
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cmd = "svn status"
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lines = os.popen(cmd).read().splitlines()
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filtered = filter(lambda c: re.search('^\\?.*$',c) == None,lines)
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return len(filtered) > 0
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def checkout(self):
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'''Creates new svn working directory if it does not already exist.'''
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self._exec("checkout -r %s '%s' '%s'" % (self.revision, self.repo, self.dest))
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def reset(dest,force):
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'''
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Reset the repo:
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force: if true, then remove any local modifications. Else, fail if there are local modifications
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'''
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if has_local_mods(dest):
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if force:
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cmd = "svn revert -R ."
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cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = cmd.communicate()
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rc = cmd.returncode
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return (rc, out, err)
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else:
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return (-1,"ERROR: modified files exist in the repository.","")
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return (0,"","")
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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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self._exec("switch '%s' '%s'" % (self.repo, self.dest))
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def update(self):
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'''Update existing svn working directory.'''
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self._exec("update -r %s '%s'" % (self.revision, self.dest))
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def revert(self):
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'''Revert svn working directory.'''
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self._exec("revert -R '%s'" % self.dest)
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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 '%s'" % 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 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 '%s'" % self.dest)
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# Match only revisioned files, i.e. ignore status '?'.
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regex = re.compile(r'^[^?]')
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# Has local mods if more than 0 modifed revisioned files.
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return len(filter(regex.match, lines)) > 0
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def update(module, dest, version):
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''' update an existing svn repo '''
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os.chdir(dest)
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cmd = ''
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if version != 'HEAD':
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cmd = "svn up -r %s" % version
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else:
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cmd = "svn up"
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cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = cmd.communicate()
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rc = cmd.returncode
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return (rc, out, err)
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# ===========================================
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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argument_spec=dict(
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dest=dict(required=True),
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repo=dict(required=True, aliases=['name']),
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revision=dict(default='HEAD'),
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force=dict(default='yes', choices=['yes', 'no'], aliases=['force'])
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repo=dict(required=True, aliases=['name', 'repository']),
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revision=dict(default='HEAD', aliases=['rev']),
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force=dict(default='yes', choices=['yes', 'no']),
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username=dict(required=False),
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password=dict(required=False),
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)
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)
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dest = os.path.expanduser(module.params['dest'])
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repo = module.params['repo']
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dest = os.path.expanduser(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.boolean(module.params['force'])
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force = module.boolean(module.params['force'])
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username = module.params['username']
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password = module.params['password']
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rc, out, err, status = (0, None, None, None)
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svn = Subversion(module, dest, repo, revision, username, password)
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# if there is no .svn folder, do a checkout
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# else update.
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before = None
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local_mods = False
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if not os.path.exists("%s/.svn" % (dest)):
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if os.path.exists(dest):
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module.fail_json(msg="%s folder already exists, but its not a subversion repository." % (dest))
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else:
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(rc, out, err) = checkout(repo, dest)
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if rc != 0:
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module.fail_json(msg=err)
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if not os.path.exists(dest):
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before = None
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local_mods = False
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svn.checkout()
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elif os.path.exists("%s/.svn" % (dest, )):
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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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before = svn.get_revision()
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local_mods = svn.has_local_mods()
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svn.switch()
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if local_mods:
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if force:
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svn.revert()
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else:
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module.fail_json(msg="ERROR: modified files exist in the repository.")
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svn.update()
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else:
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local_mods = has_local_mods(dest)
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# else do an update
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before = get_version(dest)
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(rc, out, err) = reset(dest,force)
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if rc != 0:
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module.fail_json(msg=err)
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(rc, out, err) = switch(repo, dest)
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if rc != 0:
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module.fail_json(msg=err)
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# handle errors from switch or pull
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if err.find('ERROR') != -1:
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module.fail_json(msg=err)
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# switch to version specified regardless of whether
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# we cloned or pulled
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(rc, out, err) = update(module, dest, revision)
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if rc != 0:
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module.fail_json(msg=err)
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# determine if we changed anything
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after = get_version(dest)
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changed = False
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if before != after or local_mods:
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changed = True
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module.fail_json(msg="ERROR: %s folder already exists, but its not a subversion repository." % (dest, ))
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after = svn.get_revision()
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changed = before != after or local_mods
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module.exit_json(changed=changed, before=before, after=after)
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# include magic from lib/ansible/module_common.py
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