path: root/wine.eselect

# -*-eselect-*-  vim: ft=eselect
# Copyright 2005-2014 Gentoo Foundation
# Distributed under the terms of the GNU GPL version 2 or later

DESCRIPTION="Manage active wine version"
MAINTAINER=""

PREFIXDIR=/usr/lib
BINDIR=/usr/bin
EXECUTABLES=(msiexec notepad regedit regsvr32 widl wine wine64 wine64-preloader
wineboot winebuild winecfg wineconsole winecpp winedbg winefile wineg++ winegcc
winemine winepath wine-preloader wineserver wmc wrc)
MANDIR=/usr/share/man
MANPAGES=(man1/widl.1 man1/winebuild.1 man1/winegcc.1 man1/wineg++.1
man1/winecpp.1 man1/wineserver.1 man1/wine.1 man1/wmc.1 man1/wrc.1
man1/msiexec.1 man1/notepad.1 man1/regedit.1 man1/regsvr32.1 man1/wineboot.1
man1/winecfg.1 man1/wineconsole.1 man1/winedbg.1 man1/winefile.1
man1/winemine.1 man1/winepath.1)
DESKTOPFILES=(wine.desktop)
DESKTOPDIR=/usr/share/applications

# sort function for versions, to be used in a pipe
sort_versions() {
	local vsort="sort --version-sort"
	# Test if our sort supports the --version-sort option (posix does)
	${vsort} </dev/null &>/dev/null || vsort=sort

	# We sort versions as follows:
	# 1. Run sed to prepend the version string by the numeric version
	#      1.7.21 wine-1.7.21
	#      1.7.14 wine-compholio-1.7.14
	# 2. sort --version-sort
	# 3. Run sed again to remove the prepended keys from step 1.
	sed -e 's/^\(.\+-\)\([[:digit:].]*\)$/\2 &/' \
		| LC_ALL=C ${vsort} | sed 's/.* //'
}

# find a list of installed wine versions
find_targets() {
	local f
	for f in "${EROOT}${PREFIXDIR}"/wine-*; do
		[[ -f ${f}/bin/wine ]] && basename "${f}"
	done | sort_versions
}

# lifted from fdo-mime.eclass
desktop_database_update() {
	if [[ -x "${EPREFIX}/usr/bin/update-desktop-database" ]]; then
		echo "Updating desktop mime database ..."
		"${EPREFIX}/usr/bin/update-desktop-database" -q "${EROOT}usr/share/applications"
	fi
}

# remove wine symlinks
remove_symlinks() {
	for exe in "${EXECUTABLES[@]}"; do
		if [[ -L ${EROOT}${BINDIR}/${exe} ]]; then
			rm "${EROOT}${BINDIR}/${exe}" || return 1
		fi
	done

	for page in "${MANPAGES[@]}"; do
		if [[ -L ${EROOT}/${MANDIR}/${page} ]]; then
			rm "${EROOT}/${MANDIR}/${page}" || return 1
		fi
	done
	for d in "${DESKTOPFILES[@]}"; do
		if [[ -L ${EROOT}/${DESKTOPDIR}/${d} ]]; then
			rm "${EROOT}/${DESKTOPDIR}/${d}" || return 1
		fi
	done
	if [[ -L ${EROOT}/usr/include/wine ]]; then
		rm "${EROOT}/usr/include/wine" || return 1
	fi

	desktop_database_update

	return 0
}

# set wine symlinks
# Usage: set_symlinks <name> | <number>
set_symlinks() {
	local target=$1

	if is_number "${target}"; then
		local targets=( $(find_targets) )
		target=${targets[target-1]}
	fi

	if [[ -z ${target} ]]; then
		die -q "Target \"$1\" doesn't appear to be valid!"
	elif [[ -f ${EROOT}${PREFIXDIR}/${target}/bin/wine ]]; then

		for exe in "${EXECUTABLES[@]}"; do
			local tgtexe="${exe}"-"${target#wine-}"
			if [[ -f ${EROOT}${BINDIR}/${tgtexe} ]] || [[ -L ${EROOT}${BINDIR}/${tgtexe} ]]; then
				ln -s "${tgtexe}" "${EROOT}${BINDIR}/${exe}" || return 1
			fi
		done

		for page in "${MANPAGES[@]}"; do
			if [[ -f ${EROOT}${PREFIXDIR}/${target}/man/${page} ]]; then
				ln -s "${EROOT}${PREFIXDIR}/${target}/man/${page}" "${EROOT}/${MANDIR}/${page}" || return 1
			fi
		done

		for d in "${DESKTOPFILES[@]}"; do
			if [[ -f ${EROOT}${PREFIXDIR}/${target}/applications/${d} ]]; then
				ln -s "${EROOT}${PREFIXDIR}/${target}/applications/${d}" "${EROOT}/${DESKTOPDIR}/${d}" || return 1
			fi
		done

		if [[ -d ${EROOT}${PREFIXDIR}/${target}/include/wine ]]; then
			ln -s "${EROOT}${PREFIXDIR}/${target}/include/wine" "${EROOT}/usr/include/wine" || return 1
		fi

	else
		die -q "Target \"$1\" doesn't appear to be valid!"
	fi

	desktop_database_update

	return 0
}

# print currently selected wine
get_current() {
	if [[ -L ${EROOT}${BINDIR}/wine ]]; then
		local winefull=$(canonicalise "${EROOT}${BINDIR}/wine")
		local wine="${winefull##*/}"
		[[ -n $wine ]] || return 1
		echo "${wine}"
	fi
}

### show action ###

describe_show() {
	echo "Show the active wine version"
}

do_show() {
	write_list_start "Active wine version:"
	local wine=$(get_current)
	if [[ -n ${wine} ]]; then
		write_kv_list_entry "${wine}" ""
		local winedir=${EROOT}${PREFIXDIR}/${wine##*/}
		[[ -f ${winedir}/bin/wine ]] \
			|| write_warning_msg "Symlink target doesn't appear to be valid!"
	else
		write_kv_list_entry "(unset)" ""
	fi
}

### list action ###

describe_list() {
	echo "List available wine versions"
}

do_list() {
	local i targets=( $(find_targets) )

	write_list_start "Available wine versions:"
	for (( i = 0; i < ${#targets[@]}; i++ )); do
		[[ ${targets[i]} = \
			$(basename "$(canonicalise "${EROOT}${BINDIR}/wine")") ]] \
			&& targets[i]=$(highlight_marker "${targets[i]}")
	done
	write_numbered_list -m "(none found)" "${targets[@]}"
}

### remove action ###

describe_remove() {
	echo "Remove wine symlinks"
}

do_remove() {
	remove_symlinks || die -q "Couldn't remove existing symlinks"
}

### set action ###

describe_set() {
	echo "Set a new wine version"
}

describe_set_parameters() {
	echo "<target>"
}

describe_set_options() {
	echo "target : Target name or number (from 'list' action)"
}

do_set() {
	[[ -z $1 ]] && die -q "You didn't tell me what version to symlink"
	[[ $# -gt 1 ]] && die -q "Too many parameters"

	for exe in "${EXECUTABLES[@]}"; do
		if [[ -L ${EROOT}/usr/bin/${exe} ]]; then
			continue
		elif [[ -e ${EROOT}/usr/bin/${exe} ]]; then
			# we have something strange
			die -q "${EROOT}/usr/bin/${exe} exists but is not a symlink"
		fi
	done

	remove_symlinks || die -q "Couldn't remove existing symlinks"
	set_symlinks "$1" || die -q "Couldn't set a new symlinks"
}

### update action ###

describe_update() {
	echo "Set highest version installed active"
}

describe_update_parameters() {
	echo "[--if-unset]"
}

describe_update_options() {
	echo "--if-unset : Reuse currently selected version if it appears valid"
}

do_update() {
	local v=0
	if [[ ${1} = "--if-unset" ]]; then
		local wine=$(get_current)
		if [[ -n ${wine} ]]; then
			v="${wine}"
		else
			echo "Current wine is not valid, will update to newest"
		fi
	fi

	do_set "$v" || die -q "Couldn't set a new symlinks"
}