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