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add executable option to hg, refactor in doing so

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This commit is contained in:
Skylar Saveland 2013-09-26 14:27:16 -07:00
parent 3f74c2d986
commit bb4619e716
1 changed files with 106 additions and 86 deletions
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104
source_control/hg
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@ -22,10 +22,7 @@
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
import os
import shutil
import ConfigParser
from subprocess import Popen, PIPE
DOCUMENTATION = '''
---
@ -68,6 +65,13 @@ options:
required: false
default: "no"
choices: [ "yes", "no" ]
executable:
required: false
default: null
version_added: "1.4"
description:
- Path to hg executable to use. If not supplied,
the normal mechanism for resolving binary paths will be used.
notes:
- If the task seems to be hanging, first verify remote host is in C(known_hosts).
SSH will prompt user to authorize the first contact with a remote host. One solution is to add
@ -98,6 +102,7 @@ def _set_hgrc(hgrc, vals):
parser.write(f)
f.close()
def _undo_hgrc(hgrc, vals):
parser = ConfigParser.SafeConfigParser()
parser.read(hgrc)
@ -111,14 +116,24 @@ def _undo_hgrc(hgrc, vals):
parser.write(f)
f.close()
def _hg_command(module, args_list):
(rc, out, err) = module.run_command(['hg'] + args_list)
class Hg(object):
def __init__(self, module, dest, repo, revision, hg_path):
self.module = module
self.dest = dest
self.repo = repo
self.revision = revision
self.hg_path = self.hg_path
def _command(self, args_list):
(rc, out, err) = self.module.run_command([self.hg_path] + args_list)
return (rc, out, err)
def _hg_list_untracked(module, dest):
return _hg_command(module, ['purge', '-R', dest, '--print'])
def _list_untracked(self):
return self._command(['purge', '-R', self.dest, '--print'])
def get_revision(module, dest):
def get_revision(self):
"""
hg id -b -i -t returns a string in the format:
"<changeset>[+] <branch_name> <tag>"
@ -128,77 +143,78 @@ def get_revision(module, dest):
Read the full description via hg id --help
"""
(rc, out, err) = _hg_command(module, ['id', '-b', '-i', '-t', '-R', dest])
(rc, out, err) = self._command(['id', '-b', '-i', '-t', '-R', self.dest])
if rc != 0:
module.fail_json(msg=err)
self.module.fail_json(msg=err)
else:
return out.strip('\n')
def has_local_mods(module, dest):
now = get_revision(module, dest)
def has_local_mods(self):
now = self.get_revision()
if '+' in now:
return True
else:
return False
def hg_discard(module, dest):
before = has_local_mods(module, dest)
def discard(self):
before = self.has_local_mods()
if not before:
return False
(rc, out, err) = _hg_command(module, ['update', '-C', '-R', dest])
(rc, out, err) = self._command(['update', '-C', '-R', self.dest])
if rc != 0:
module.fail_json(msg=err)
self.module.fail_json(msg=err)
after = has_local_mods(module, dest)
after = self.has_local_mods()
if before != after and not after: # no more local modification
return True
def hg_purge(module, dest):
hgrc = os.path.join(dest, '.hg/hgrc')
def purge(self):
hgrc = os.path.join(self.dest, '.hg/hgrc')
purge_option = [('extensions', 'purge', '')]
_set_hgrc(hgrc, purge_option) # enable purge extension
# before purge, find out if there are any untracked files
(rc1, out1, err1) = _hg_list_untracked(module, dest)
(rc1, out1, err1) = self._list_untracked()
if rc1 != 0:
module.fail_json(msg=err)
self.module.fail_json(msg=err1)
# there are some untrackd files
if out1 != '':
(rc2, out2, err2) = _hg_command(module, ['purge', '-R', dest])
(rc2, out2, err2) = self._command(['purge', '-R', self.dest])
if rc2 == 0:
_undo_hgrc(hgrc, purge_option)
else:
module.fail_json(msg=err)
self.module.fail_json(msg=err2)
return True
else:
return False
def hg_cleanup(module, dest, force, purge):
def cleanup(self, force, purge):
discarded = False
purged = False
if force:
discarded = hg_discard(module, dest)
discarded = self.discard()
if purge:
purged = hg_purge(module, dest)
purged = self.purge()
if discarded or purged:
return True
else:
return False
def hg_pull(module, dest, revision, repo):
return _hg_command(module, ['pull', '-r', revision, '-R', dest, repo])
def pull(self):
return self._command(
['pull', '-r', self.revision, '-R', self.dest, self.repo])
def hg_update(module, dest, revision):
return _hg_command(module, ['update', '-R', dest])
def update(self):
return self._command(['update', '-R', self.dest])
def hg_clone(module, repo, dest, revision):
return _hg_command(module, ['clone', repo, dest, '-r', revision])
def clone(self):
return self._command(['clone', self.repo, self.dest, '-r', self.revision])
def switch_version(module, dest, revision):
return _hg_command(module, ['update', '-r', revision, '-R', dest])
def switch_version(self):
return self._command(['update', '-r', self.revision, '-R', self.dest])
# ===========================================
@ -209,7 +225,8 @@ def main():
dest = dict(required=True),
revision = dict(default="default", aliases=['version']),
force = dict(default='yes', type='bool'),
purge = dict(default='no', type='bool')
purge = dict(default='no', type='bool'),
executable = dict(default=None),
),
)
repo = module.params['repo']
@ -217,6 +234,7 @@ def main():
revision = module.params['revision']
force = module.params['force']
purge = module.params['purge']
hg_path = module.parames['executable'] or module.get_bin_path('hg', True)
hgrc = os.path.join(dest, '.hg/hgrc')
# initial states
@ -224,29 +242,31 @@ def main():
changed = False
cleaned = False
hg = Hg(module, dest, repo, revision, hg_path)
# If there is no hgrc file, then assume repo is absent
# and perform clone. Otherwise, perform pull and update.
if not os.path.exists(hgrc):
(rc, out, err) = hg_clone(module, repo, dest, revision)
(rc, out, err) = hg.clone()
if rc != 0:
module.fail_json(msg=err)
else:
# get the current state before doing pulling
before = get_revision(module, dest)
before = hg.get_revision()
# can perform force and purge
cleaned = hg_cleanup(module, dest, force, purge)
cleaned = hg.cleanup(force, purge)
(rc, out, err) = hg_pull(module, dest, revision, repo)
(rc, out, err) = hg.pull()
if rc != 0:
module.fail_json(msg=err)
(rc, out, err) = hg_update(module, dest, revision)
(rc, out, err) = hg.update()
if rc != 0:
module.fail_json(msg=err)
switch_version(module, dest, revision)
after = get_revision(module, dest)
hg.switch_version()
after = hg.get_revision()
if before != after or cleaned:
changed = True
module.exit_json(before=before, after=after, changed=changed, cleaned=cleaned)