openrc/sh/functions.sh

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# Allow any sh script to work with einfo functions and friends
# We also provide a few helpful functions for other programs to use
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
RC_GOT_FUNCTIONS="yes"
eindent() {
EINFO_INDENT=$((${EINFO_INDENT:-0} + 2))
[ "${EINFO_INDENT}" -gt 40 ] && EINFO_INDENT=40
export EINFO_INDENT
}
eoutdent() {
EINFO_INDENT=$((${EINFO_INDENT:-0} - 2))
[ "${EINFO_INDENT}" -lt 0 ] && EINFO_INDENT=0
return 0
}
yesno()
{
[ -z "$1" ] && return 1
case "$1" in
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) return 0;;
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) return 1;;
esac
local value=
eval value=\$${1}
case "${value}" in
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) return 0;;
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) return 1;;
*) vewarn "\$${1} is not set properly"; return 1;;
esac
}
_sanitize_path() {
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local IFS=":" p= path=
for p in ${PATH}; do
case "${p}" in
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/lib/rc/sbin|/bin|/sbin|/usr/bin|/usr/sbin|/usr/local/bin|/usr/local/sbin);;
*) path="${path}:${p}";;
esac
done
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echo "${path}"
}
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# Allow our scripts to support zsh
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if [ -n "${ZSH_VERSION}" ]; then
emulate sh
NULLCMD=:
alias -g '${1+"$@"}'='"$@"'
setopt NO_GLOB_SUBST
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fi
# Add our bin to $PATH
export PATH="/lib/rc/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin$(_sanitize_path "${PATH}")"
unset _sanitize_path
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for arg; do
case "${arg}" in
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--nocolor|--nocolour|-C)
export EINFO_COLOR="NO"
;;
esac
done
if [ -t 1 ] && yesno "${EINFO_COLOR:-YES}"; then
if [ -z "${GOOD}" ]; then
eval $(eval_ecolors)
fi
else
# We need to have shell stub functions so our init scripts can remember
# the last ecmd
for _e in ebegin eend error errorn einfo einfon ewarn ewarnn ewend \
vebegin veend veinfo vewarn vewend; do
eval "${_e}() { local _r; /lib/rc/bin/${_e} \"\$@\"; _r=$?; \
export EINFO_LASTCMD=${_e}; return \$_r; }"
done
fi
# vim: set ts=4 :