functions.sh

by regna
0 deployments · 0 still active · last rev. 2 years ago

functions.sh from sys-apps/openrc, exports and contains various helpful functions.

Compatible with: No distros currently supported
						#!/bin/bash
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# 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
                        /lib64/rc/bin|/lib64/rc/sbin);;
                        /bin|/sbin|/usr/bin|/usr/sbin);;
                        /usr/bin|/usr/sbin);;
                        /usr/local/bin|/usr/local/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

# Make a sane PATH
_PREFIX=
_PKG_PREFIX=/usr
_LOCAL_PREFIX=/usr/local
_LOCAL_PREFIX=${_LOCAL_PREFIX:-/usr/local}
_PATH=/lib64/rc/bin
case "$_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")"
PATH="$_PATH${_path:+:}$_path" ; export PATH
unset _sanitize_path _PREFIX _PKG_PREFIX _LOCAL_PREFIX _PATH _path

for arg; do
        case "$arg" in
                --nocolor|--nocolour|-C)
                        EINFO_COLOR="NO" ; export EINFO_COLOR
                        ;;
        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; command $_e \"\$@\"; _r=\$?; \
                EINFO_LASTCMD=$_e; export EINFO_LASTCMD ; return \$_r; }"
        done
        unset _e
fi