Mailspring/build/resources/linux/debian/postrm

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#!/bin/sh
# Remove the Nylas repository.
# Copyright (c) 2009 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license.
set -e
action="$1"
# Only do complete clean-up on purge.
if [ "$action" != "purge" ] ; then
exit 0
fi
APT_GET="`which apt-get 2> /dev/null`"
APT_CONFIG="`which apt-config 2> /dev/null`"
# Parse apt configuration and return requested variable value.
apt_config_val() {
APTVAR="$1"
if [ -x "$APT_CONFIG" ]; then
"$APT_CONFIG" dump | sed -e "/^$APTVAR /"'!d' -e "s/^$APTVAR \"\(.*\)\".*/\1/"
fi
}
uninstall_key() {
APT_KEY="`which apt-key 2> /dev/null`"
if [ -x "$APT_KEY" ]; then
# don't fail if the key wasn't found
"$APT_KEY" rm 7D0ACF4A >/dev/null 2>&1 || true
fi
}
# Set variables for the locations of the apt sources lists.
find_apt_sources() {
APTDIR=$(apt_config_val Dir)
APTETC=$(apt_config_val 'Dir::Etc')
APT_SOURCES="$APTDIR$APTETC$(apt_config_val 'Dir::Etc::sourcelist')"
APT_SOURCESDIR="$APTDIR$APTETC$(apt_config_val 'Dir::Etc::sourceparts')"
}
# Remove a repository from the apt sources.
# Returns:
# 0 - successfully removed, or not configured
# 1 - failed to remove
clean_sources_lists() {
find_apt_sources
if [ -d "$APT_SOURCESDIR" ]; then
rm -f "$APT_SOURCESDIR/nylas.list"
fi
return 0
}
uninstall_key
clean_sources_lists
exit 0