pfsense/build/scripts/common.subr
2018-01-05 07:44:37 -06:00

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#
# ex: filetype=sh
#
# common.subr
#
# part of pfSense (https://www.pfsense.org)
# Copyright (c) 2004-2018 Rubicon Communications, LLC (Netgate)
# All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Obtained from poudriere common.sh
eargs() {
local fname="$1"
shift
case $# in
0) err "${fname}: No arguments expected" ;;
1) err "${fname}: 1 argument expected: $1" ;;
*) err "${fname}: $# arguments expected: $*" ;;
esac
}
err() {
[ $# -eq 1 ] || eargs err msg
local msg="$1"
echo >&2 "====>> ERROR: $msg"
exit 1
}
run() {
[ $# -eq 2 ] || eargs run msg cmd
local msg="$1"
local cmd="$2"
echo "====>> ${msg}"
${cmd} 2>&1
rc=$?
[ $rc -ne 0 ] \
&& err "Execution of '${cmd}' failed (rc = ${rc})"
}
force_rm() {
[ $# -eq 1 ] || eargs force_rm directory
local directory="$1"
[ "${directory}" = "/" ] \
&& err "Removing / is not a good idea"
run "Removing immutable flags from ${directory}" \
"chflags -R noschg ${directory}"
run "Removing recursively ${directory}" \
"rm -rf ${directory}"
}