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fix: add apt.is_installed() function

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Lance Edgar 2025-09-06 16:29:11 -05:00
parent 8bddce1329
commit 47ec0c67ca
1 changed files with 14 additions and 1 deletions
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15
rattail_fabric2/apt.py
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@ -2,7 +2,7 @@
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2018 Lance Edgar
# Copyright © 2010-2025 Lance Edgar
#
# This file is part of Rattail.
#
@ -44,6 +44,19 @@ def install(c, *packages, **kwargs):
frontend, target, force_yes, ' '.join(packages)), **kwargs)
def is_installed(c, package):
"""
Check if the given APT package is installed.
:param c: Fabric connection.
:param package: Name of package to be checked.
:returns: ``True`` if package is installed, else ``False``.
"""
return c.run(f"dpkg-query -s {package}", warn=True).ok
def purge(c, *packages):
"""
Uninstall and purge config for given packages