openrc/sh/functions.sh.in

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# Copyright 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
# Allow any sh script to work with einfo functions and friends
# We also provide a few helpful functions for other programs to use
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
}
rc_runlevel() {
rc-status --runlevel
}
_sanitize_path()
{
local IFS=":" p= path=
for p in ${PATH}; do
case "${p}" in
@PREFIX@/@LIB@/rc/bin|@PREFIX@/@LIB@/rc/sbin);;
@PREFIX@/bin|@PREFIX@/sbin|/usr/bin|/usr/sbin);;
@PKG_PREFIX@/bin|@PKG_PREFIX@/sbin);;
@LOCAL_PREFIX@/bin|@LOCAL_PREFIX@/sbin);;
*) path="${path}${path:+:}${p}";;
esac
done
echo "${path}"
}
# Allow our scripts to support zsh
if [ -n "$ZSH_VERSION" ]; then
emulate sh
NULLCMD=:
alias -g '${1+"$@"}'='"$@"'
setopt NO_GLOB_SUBST
fi
# Use a special shell feature to save forking
if [ -n "$BASH_VERSION" -o "$ZSH_VERSION" ]; then
shell_var() { LC_ALL=C echo "${@//[![:word:]]/_}"; }
fi
# Make a sane PATH
_PREFIX=@PREFIX@
_PKG_PREFIX=@PKG_PREFIX@
_LOCAL_PREFIX=@LOCAL_PREFIX@
_LOCAL_PREFIX=${_LOCAL_PREFIX:-/usr/local}
_PATH=@PREFIX@/@LIB@/rc/bin
case "${_PREFIX}" in
"${_PKG_PREFIX}"|"${_LOCAL_PREFIX}") ;;
*) _PATH="${_PATH}:${_PREFIX}/bin:${_PREFIX}/sbin";;
esac
_PATH="${_PATH}":/bin:/sbin:/usr/bin:/usr/sbin
if [ -n "${_PKG_PREFIX}" ]; then
_PATH="${_PATH}:${_PKG_PREFIX}/bin:${_PKG_PREFIX}/sbin"
fi
if [ -n "${_LOCAL_PREFIX}" ]; then
_PATH="${_PATH}:${_LOCAL_PREFIX}/bin:${_LOCAL_PREFIX}/sbin"
fi
_path="$(_sanitize_path "${PATH}")"
export PATH="${_PATH}${_path:+:}${_path}"
unset _sanitize_path _PREFIX _PKG_PREFIX _LOCAL_PREFIX _PATH _path
for arg; do
case "${arg}" in
--nocolor|--nocolour|-C)
export EINFO_COLOR="NO"
;;
esac
done
if [ -t 1 ] && yesno "${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; @PREFIX@/@LIB@/rc/bin/${_e} \"\$@\"; _r=$?; \
export EINFO_LASTCMD=${_e}; return \$_r; }"
done
unset _e
fi