exherbo-config/hooks/setup_pkg_env.bash
2016-08-14 13:47:34 +02:00

67 lines
1.5 KiB
Bash

#!/bin/bash
#
# Helper functions to use from /etc/paludis/bashrc and
# package environment control files.
#
# Copyright 2014 by Alex Turbov <i.zaufi@gmail.com>
#
source ${PALUDIS_EBUILD_DIR}/echo_functions.bash
#
# Add options to the end of a given var
# $1 - variable to modify
# $2..$n - options to add
#
add-options()
{
local var=$1
shift
local stmt="$var=\"\$${var} $*\""
eval "$stmt"
}
#
# Remove options from a given var
# $1 - variable to modify
# $2..$n - options to remove
#
remove-options()
{
local -r _ro_var="$1"
shift
local -a _ro_new_value
local _ro_opt
local _ro_del_value
# Iterate over options in a variable
for _ro_opt in ${!_ro_var}; do
# Iterate over options to remove passed as function parameters
for _ro_del_value in "$@"; do
[[ ${_ro_opt} == ${_ro_del_value} ]] && continue 2
done
_ro_new_value+=( "${_ro_opt}" )
done
eval "${_ro_var}=\"${_ro_new_value[@]}\""
}
setup_pkg_env()
{
local conf
[[ ! -f /etc/paludis/package_env.conf ]] && return
# Select configured environments
local envs=$(for i in `egrep "^${CATEGORY}/(${PN}|\*)(:[^\s]+)?\s" /etc/paludis/package_env.conf | sed 's,[^ ]\+\s,,'`; do echo "${i}"; done | sort -u)
for conf in $envs; do
if [[ -f /etc/paludis/env.conf.d/${conf}.conf ]]; then
source /etc/paludis/env.conf.d/${conf}.conf
else
ewarn "Ignore undefined environment configuration: ${conf}"
fi
done
}
# Do it!
setup_pkg_env
# kate: hl bash;