diff --git a/source_control/hg b/source_control/hg index f5838b4bf43..2bf7b68f8a1 100644 --- a/source_control/hg +++ b/source_control/hg @@ -22,10 +22,7 @@ # You should have received a copy of the GNU General Public License # along with Ansible. If not, see . -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) @@ -111,94 +116,105 @@ 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) - return (rc, out, err) - -def _hg_list_untracked(module, dest): - return _hg_command(module, ['purge', '-R', dest, '--print']) - -def get_revision(module, dest): - """ - hg id -b -i -t returns a string in the format: - "[+] " - This format lists the state of the current working copy, - and indicates whether there are uncommitted changes by the - plus sign. Otherwise, the sign is omitted. - - Read the full description via hg id --help - """ - (rc, out, err) = _hg_command(module, ['id', '-b', '-i', '-t', '-R', dest]) - if rc != 0: - module.fail_json(msg=err) - else: - return out.strip('\n') -def has_local_mods(module, dest): - now = get_revision(module, dest) - if '+' in now: - return True - else: - return False +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 _list_untracked(self): + return self._command(['purge', '-R', self.dest, '--print']) + + def get_revision(self): + """ + hg id -b -i -t returns a string in the format: + "[+] " + This format lists the state of the current working copy, + and indicates whether there are uncommitted changes by the + plus sign. Otherwise, the sign is omitted. + + Read the full description via hg id --help + """ + (rc, out, err) = self._command(['id', '-b', '-i', '-t', '-R', self.dest]) + if rc != 0: + self.module.fail_json(msg=err) + else: + return out.strip('\n') -def hg_discard(module, dest): - before = has_local_mods(module, dest) - if not before: - return False + def has_local_mods(self): + now = self.get_revision() + if '+' in now: + return True + else: + return False + + def discard(self): + before = self.has_local_mods() + if not before: + return False - (rc, out, err) = _hg_command(module, ['update', '-C', '-R', dest]) - if rc != 0: - module.fail_json(msg=err) + (rc, out, err) = self._command(['update', '-C', '-R', self.dest]) + if rc != 0: + self.module.fail_json(msg=err) - after = has_local_mods(module, dest) - if before != after and not after: # no more local modification - return True + 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') - 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) - if rc1 != 0: - module.fail_json(msg=err) - - # there are some untrackd files - if out1 != '': - (rc2, out2, err2) = _hg_command(module, ['purge', '-R', dest]) - if rc2 == 0: - _undo_hgrc(hgrc, purge_option) + 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) = self._list_untracked() + if rc1 != 0: + self.module.fail_json(msg=err1) + + # there are some untrackd files + if out1 != '': + (rc2, out2, err2) = self._command(['purge', '-R', self.dest]) + if rc2 == 0: + _undo_hgrc(hgrc, purge_option) + else: + self.module.fail_json(msg=err2) + return True else: - module.fail_json(msg=err) - return True - else: - return False - -def hg_cleanup(module, dest, force, purge): - discarded = False - purged = False - - if force: - discarded = hg_discard(module, dest) - if purge: - purged = hg_purge(module, dest) - if discarded or purged: - return True - else: - return False + return False + + def cleanup(self, force, purge): + discarded = False + purged = False -def hg_pull(module, dest, revision, repo): - return _hg_command(module, ['pull', '-r', revision, '-R', dest, repo]) + if force: + discarded = self.discard() + if purge: + purged = self.purge() + if discarded or purged: + return True + else: + return False + + 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)