ef1ff1b4f2
Convert the style:
var=$((${var} + 1))
to:
: $(( var += 1 ))
The latter is easier to read imo.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
113 lines
2.5 KiB
Bash
113 lines
2.5 KiB
Bash
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
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# Released under the 2-clause BSD license.
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# Allow any sh script to work with einfo functions and friends
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# We also provide a few helpful functions for other programs to use
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RC_GOT_FUNCTIONS="yes"
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eindent()
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{
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: $(( EINFO_INDENT = ${EINFO_INDENT:-0} + 2 ))
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[ "$EINFO_INDENT" -gt 40 ] && EINFO_INDENT=40
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export EINFO_INDENT
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}
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eoutdent()
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{
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: $(( EINFO_INDENT = ${EINFO_INDENT:-0} - 2 ))
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[ "$EINFO_INDENT" -lt 0 ] && EINFO_INDENT=0
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return 0
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}
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yesno()
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{
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[ -z "$1" ] && return 1
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case "$1" in
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[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) return 0;;
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[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) return 1;;
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esac
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local value=
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eval value=\$${1}
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case "$value" in
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[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) return 0;;
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[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) return 1;;
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*) vewarn "\$$1 is not set properly"; return 1;;
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esac
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}
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rc_runlevel()
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{
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rc-status --runlevel
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}
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_sanitize_path()
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{
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local IFS=":" p= path=
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for p in $PATH; do
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case "$p" in
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@LIBEXECDIR@/bin|@LIBEXECDIR@/sbin);;
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@PREFIX@/bin|@PREFIX@/sbin|/usr/bin|/usr/sbin);;
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@PKG_PREFIX@/bin|@PKG_PREFIX@/sbin);;
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@LOCAL_PREFIX@/bin|@LOCAL_PREFIX@/sbin);;
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*) path="$path${path:+:}$p";;
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esac
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done
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echo "$path"
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}
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# Allow our scripts to support zsh
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if [ -n "$ZSH_VERSION" ]; then
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emulate sh
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NULLCMD=:
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alias -g '${1+"$@"}'='"$@"'
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setopt NO_GLOB_SUBST
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fi
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# Make a sane PATH
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_PREFIX=@PREFIX@
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_PKG_PREFIX=@PKG_PREFIX@
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_LOCAL_PREFIX=@LOCAL_PREFIX@
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_LOCAL_PREFIX=${_LOCAL_PREFIX:-/usr/local}
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_PATH=@LIBEXECDIR@/bin
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case "$_PREFIX" in
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"$_PKG_PREFIX"|"$_LOCAL_PREFIX") ;;
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*) _PATH="$_PATH:$_PREFIX/bin:$_PREFIX/sbin";;
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esac
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_PATH="$_PATH":/bin:/sbin:/usr/bin:/usr/sbin
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if [ -n "$_PKG_PREFIX" ]; then
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_PATH="$_PATH:$_PKG_PREFIX/bin:$_PKG_PREFIX/sbin"
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fi
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if [ -n "$_LOCAL_PREFIX" ]; then
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_PATH="$_PATH:$_LOCAL_PREFIX/bin:$_LOCAL_PREFIX/sbin"
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fi
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_path="$(_sanitize_path "$PATH")"
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export PATH="$_PATH${_path:+:}$_path"
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unset _sanitize_path _PREFIX _PKG_PREFIX _LOCAL_PREFIX _PATH _path
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for arg; do
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case "$arg" in
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--nocolor|--nocolour|-C)
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export EINFO_COLOR="NO"
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;;
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esac
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done
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if [ -t 1 ] && yesno "${EINFO_COLOR:-YES}"; then
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if [ -z "$GOOD" ]; then
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eval $(eval_ecolors)
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fi
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else
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# We need to have shell stub functions so our init scripts can remember
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# the last ecmd
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for _e in ebegin eend error errorn einfo einfon ewarn ewarnn ewend \
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vebegin veend veinfo vewarn vewend; do
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eval "$_e() { local _r; @LIBEXECDIR@/bin/$_e \"\$@\"; _r=\$?; \
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export EINFO_LASTCMD=$_e; return \$_r; }"
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done
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unset _e
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fi
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