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df1fa397db
* When module fails return meaningful error message to user returned by homebrew-tap command. * Doc update Fixes: #1411 Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>
256 lines
6.9 KiB
Python
256 lines
6.9 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: (c) 2013, Daniel Jaouen <dcj24@cornell.edu>
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# Copyright: (c) 2016, Indrajit Raychaudhuri <irc+code@indrajit.com>
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#
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# Based on homebrew (Andrew Dunham <andrew@du.nham.ca>)
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#
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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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DOCUMENTATION = r'''
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---
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module: homebrew_tap
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author:
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- "Indrajit Raychaudhuri (@indrajitr)"
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- "Daniel Jaouen (@danieljaouen)"
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short_description: Tap a Homebrew repository.
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description:
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- Tap external Homebrew repositories.
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options:
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name:
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description:
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- The GitHub user/organization repository to tap.
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required: true
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aliases: ['tap']
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type: list
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elements: str
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url:
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description:
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- The optional git URL of the repository to tap. The URL is not
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assumed to be on GitHub, and the protocol doesn't have to be HTTP.
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Any location and protocol that git can handle is fine.
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- I(name) option may not be a list of multiple taps (but a single
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tap instead) when this option is provided.
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required: false
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type: str
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state:
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description:
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- state of the repository.
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choices: [ 'present', 'absent' ]
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required: false
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default: 'present'
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type: str
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requirements: [ homebrew ]
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'''
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EXAMPLES = r'''
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- name: Tap a Homebrew repository, state present
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community.general.homebrew_tap:
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name: homebrew/dupes
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- name: Tap a Homebrew repository, state absent
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community.general.homebrew_tap:
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name: homebrew/dupes
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state: absent
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- name: Tap a Homebrew repository, state present
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community.general.homebrew_tap:
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name: homebrew/dupes,homebrew/science
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state: present
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- name: Tap a Homebrew repository using url, state present
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community.general.homebrew_tap:
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name: telemachus/brew
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url: 'https://bitbucket.org/telemachus/brew'
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'''
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import re
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from ansible.module_utils.basic import AnsibleModule
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def a_valid_tap(tap):
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'''Returns True if the tap is valid.'''
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regex = re.compile(r'^([\w-]+)/(homebrew-)?([\w-]+)$')
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return regex.match(tap)
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def already_tapped(module, brew_path, tap):
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'''Returns True if already tapped.'''
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rc, out, err = module.run_command([
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brew_path,
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'tap',
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])
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taps = [tap_.strip().lower() for tap_ in out.split('\n') if tap_]
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tap_name = re.sub('homebrew-', '', tap.lower())
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return tap_name in taps
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def add_tap(module, brew_path, tap, url=None):
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'''Adds a single tap.'''
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failed, changed, msg = False, False, ''
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if not a_valid_tap(tap):
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failed = True
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msg = 'not a valid tap: %s' % tap
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elif not already_tapped(module, brew_path, tap):
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if module.check_mode:
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module.exit_json(changed=True)
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rc, out, err = module.run_command([
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brew_path,
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'tap',
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tap,
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url,
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])
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if rc == 0:
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changed = True
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msg = 'successfully tapped: %s' % tap
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else:
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failed = True
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msg = 'failed to tap: %s due to %s' % (tap, err)
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else:
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msg = 'already tapped: %s' % tap
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return (failed, changed, msg)
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def add_taps(module, brew_path, taps):
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'''Adds one or more taps.'''
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failed, unchanged, added, msg = False, 0, 0, ''
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for tap in taps:
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(failed, changed, msg) = add_tap(module, brew_path, tap)
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if failed:
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break
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if changed:
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added += 1
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else:
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unchanged += 1
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if failed:
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msg = 'added: %d, unchanged: %d, error: ' + msg
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msg = msg % (added, unchanged)
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elif added:
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changed = True
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msg = 'added: %d, unchanged: %d' % (added, unchanged)
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else:
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msg = 'added: %d, unchanged: %d' % (added, unchanged)
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return (failed, changed, msg)
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def remove_tap(module, brew_path, tap):
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'''Removes a single tap.'''
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failed, changed, msg = False, False, ''
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if not a_valid_tap(tap):
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failed = True
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msg = 'not a valid tap: %s' % tap
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elif already_tapped(module, brew_path, tap):
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if module.check_mode:
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module.exit_json(changed=True)
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rc, out, err = module.run_command([
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brew_path,
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'untap',
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tap,
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])
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if not already_tapped(module, brew_path, tap):
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changed = True
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msg = 'successfully untapped: %s' % tap
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else:
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failed = True
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msg = 'failed to untap: %s due to %s' % (tap, err)
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else:
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msg = 'already untapped: %s' % tap
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return (failed, changed, msg)
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def remove_taps(module, brew_path, taps):
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'''Removes one or more taps.'''
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failed, unchanged, removed, msg = False, 0, 0, ''
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for tap in taps:
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(failed, changed, msg) = remove_tap(module, brew_path, tap)
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if failed:
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break
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if changed:
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removed += 1
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else:
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unchanged += 1
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if failed:
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msg = 'removed: %d, unchanged: %d, error: ' + msg
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msg = msg % (removed, unchanged)
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elif removed:
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changed = True
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msg = 'removed: %d, unchanged: %d' % (removed, unchanged)
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else:
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msg = 'removed: %d, unchanged: %d' % (removed, unchanged)
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return (failed, changed, msg)
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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name=dict(aliases=['tap'], type='list', required=True, elements='str'),
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url=dict(default=None, required=False),
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state=dict(default='present', choices=['present', 'absent']),
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),
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supports_check_mode=True,
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)
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brew_path = module.get_bin_path(
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'brew',
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required=True,
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opt_dirs=['/usr/local/bin']
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)
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taps = module.params['name']
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url = module.params['url']
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if module.params['state'] == 'present':
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if url is None:
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# No tap URL provided explicitly, continue with bulk addition
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# of all the taps.
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failed, changed, msg = add_taps(module, brew_path, taps)
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else:
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# When an tap URL is provided explicitly, we allow adding
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# *single* tap only. Validate and proceed to add single tap.
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if len(taps) > 1:
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msg = "List of multiple taps may not be provided with 'url' option."
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module.fail_json(msg=msg)
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else:
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failed, changed, msg = add_tap(module, brew_path, taps[0], url)
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if failed:
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module.fail_json(msg=msg)
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else:
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module.exit_json(changed=changed, msg=msg)
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elif module.params['state'] == 'absent':
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failed, changed, msg = remove_taps(module, brew_path, taps)
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if failed:
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module.fail_json(msg=msg)
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else:
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module.exit_json(changed=changed, msg=msg)
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if __name__ == '__main__':
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main()
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