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wslu-header
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#!/bin/bash
#shellcheck disable=SC1091
# wslu - Windows 10 linux Subsystem Utility
# Component of Windows 10 linux Subsystem Utility
# <https://github.com/wslutilities/wslu>
# Copyright (C) 2019 Patrick Wu
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Current utility
wslu_util_fullpath="$0"
wslu_util_name=$(basename "$wslu_util_fullpath")
# Version
wslu_version=VERSIONPLACEHOLDER
wslu_prefix="PREFIXPLACEHOLDER"
wslu_dest_dir="DESTDIRPLACEHOLDER"
# Speed up script by using unicode.
LC_ALL=C
LANG=C
# current state location
wslu_state_dir=${XDG_STATE_HOME:-$HOME/.local/state}/wslu
if [ ! -d "$wslu_state_dir" ]; then
mkdir -p "$wslu_state_dir"
fi
# prevent bash -x
set +x
# pipeline content to pipe... if it is wslclip
if [[ "$wslu_util_name" == "wslclip" ]]; then
if [[ -p /dev/stdin ]]; then
PIPE=$(cat -)
fi
fi
# conf handling module
__wsl_conf_read() {
if [ -f /etc/wsl.conf ]; then
tmp="$(sed -nr "/^\[${1}\]/ { :l /^${2}[ ]*=/ { s/[^=]*=[ ]*//; p; q;}; n; b l;}" /etc/wsl.conf)"
if [ -n "$tmp" ]; then
if [ ${#tmp} -ge 2 ]; then
if [ "${tmp:0:1}" == '"' ] && [ "${tmp: -1}" == '"' ]; then
echo "${tmp:1:-1}"
elif [ "${tmp:0:1}" == "'" ] && [ "${tmp: -1}" == "'" ]; then
echo "${tmp:1:-1}"
else
echo "$tmp"
fi
else
echo "$tmp"
fi
fi
fi
}
# checking interopability
if __wsl_conf_read interop enabled | grep false >/dev/null; then
echo -e "WSL Interopability is disabled and WSL Utilities won't work. Please enable it by:
1. open /etc/wsl.conf using root or equivalent editing permission;
2. under [interop] section, set enabled to true;
3. restart your distribution."
exit 1
elif grep ^disabled /proc/sys/fs/binfmt_misc/WSLInterop >/dev/null; then
echo -e "WSL Interopability is temporarily disabled and WSL Utilities won't work. Please enable it by:
# echo 1 > /proc/sys/fs/binfmt_misc/WSLInterop"
exit 1
fi
# when --verbose, verbose; when --debug, debug.
#
# They should not exist at the same time, otherwise
# the output would be too messy.
wslu_debug=""
if [ "$1" == "--verbose" ]; then
echo -e '\e[38;5;202m\033[1m[verbose] Showing verbose output. \033(B\033[m' 1>&2
shift
set -x
elif [ "$1" == "--debug" ]; then
wslu_debug="--debug"
echo -e '\e[38;5;202m\033[1m[debug:'"${wslu_util_fullpath}"'] Showing debug output. \033(B\033[m' 1>&2
shift
fi
# variables
## color
black=$(echo -e '\e[30m')
red=$(echo -e '\e[31m')
green=$(echo -e '\e[32m')
brown=$(echo -e '\e[33m')
blue=$(echo -e '\e[34m')
purple=$(echo -e '\e[35m')
cyan=$(echo -e '\e[36m')
yellow=$(echo -e '\e[33m')
white=$(echo -e '\e[37m')
dark_gray=$(echo -e '\e[1;30m')
light_red=$(echo -e '\e[1;31m')
light_green=$(echo -e '\e[1;32m')
light_blue=$(echo -e '\e[1;34m')
light_purple=$(echo -e '\e[1;35m')
light_cyan=$(echo -e '\e[1;36m')
light_gray=$(echo -e '\e[37m')
orange=$(echo -e '\e[38;5;202m')
light_orange=$(echo -e '\e[38;5;214m')
deep_purple=$(echo -e '\e[38;5;140m')
bold=$(echo -e '\033[1m')
reset=$(echo -e '\033(B\033[m')
## indicator
info="${green}[info]${reset}"
input_info="${cyan}[input]${reset}"
error="${red}[error]${reset}"
warn="${orange}[warn]${reset}"
## Windows build number constant
# Windows 10
readonly BN_SPR_CREATORS=15063 #1703, Redstone 2, Creators Update
readonly BN_FAL_CREATORS=16299 #1709, Redstone 3, Fall Creators Update
readonly BN_APR_EIGHTEEN=17134 #1803, Redstone 4, April 2018 Update
readonly BN_OCT_EIGHTEEN=17763 #1809, Redstone 5, October 2018 Update
readonly BN_MAY_NINETEEN=18362 #1903, 19H1, May 2019 Update
readonly BN_NOV_NINETEEN=18363 #1909, 19H2, November 2019 Update
readonly BN_MAY_TWENTYTY=19041 #2004, 20H1, May 2020 Update
readonly BN_OCT_NINETEEN=19042 #20H2, Windows 10 October 2020 Update
readonly BN_MAY_TWNETONE=19043 #21H1, Windows 10 May 2021 Update
readonly BN_NOV_TWENTONE=19044 #21H2, Windows 10 November 2021 Update
# Windows 11
readonly BN_ELEVEN_21H2=22000 #21H2, Windows 11
# echo functions
function debug_echo {
[ "$wslu_debug" == "--debug" ] && echo "${orange}${bold}[debug:${wslu_util_fullpath}]${reset} $*" 1>&2;
}
function error_echo {
echo "${error} $1"
exit "$2"
}
# source default config
if [ -f "${wslu_dest_dir}${wslu_prefix}/share/wslu/conf" ]; then
debug_echo "source default setting"
source "${wslu_dest_dir}${wslu_prefix}/share/wslu/conf"
fi
# source user-defined config
if [ -f "${wslu_dest_dir}${wslu_prefix}/share/wslu/custom.conf" ]; then
debug_echo "${wslu_dest_dir}${wslu_prefix}/share/wslu/custom.conf found, sourcing"
source "${wslu_dest_dir}${wslu_prefix}/share/wslu/custom.conf"
fi
if [ -f "${wslu_dest_dir}/etc/wslu/conf" ]; then
debug_echo "${wslu_dest_dir}/etc/wslu/conf found, sourcing"
source "${wslu_dest_dir}/etc/wslu/conf"
fi
if [ -f "/etc/wslu/custom.conf" ]; then
debug_echo "/etc/wslu/custom.conf found, sourcing"
source "/etc/wslu/custom.conf"
fi
if [ -f "$HOME/.config/wslu/conf" ]; then
debug_echo "$HOME/.config/wslu/conf found, sourcing"
source "$HOME/.config/wslu/conf"
fi
if [ -f "$HOME/.wslurc" ]; then
debug_echo "$HOME/.wslurc found, sourcing"
source "$HOME/.wslurc"
fi
# functions
function help {
app_name=$wslu_util_name
echo -e "$app_name - Part of wslu, a collection of utilities for Linux Subsystem for Windows (WSL)
Usage: $2
For more help for $app_name, please use the command \`man $app_name\` or visit the following site: https://wslutiliti.es/wslu/man/$app_name.html.
For overall help, you can use the command \`man wslu\` or visite the following site: https://wslutiliti.es/wslu."
}
function version {
echo "wslu v$wslu_version"
}
function double_dash_p {
echo "${@//\\/\\\\}"
}
function interop_prefix {
win_location="/mnt/"
tmp="$(__wsl_conf_read automount root)"
[ "$tmp" == "" ] || win_location="$tmp"
[[ "$win_location" =~ ^.*/$ ]] || win_location="$win_location/" # make sure it always end with slash
unset tmp
echo "$win_location"
unset win_location
}
function sysdrive_prefix {
hard_reset=0
for pt in "$(interop_prefix)"/*; do
[[ -e "$pt" ]] || break
if [ "$(echo "$pt" | wc -l)" -eq 1 ]; then
if [ -d "$pt/Windows/System32" ]; then
hard_reset=1
win_location="$(basename "$pt")"
break
fi
fi
done
if [ $hard_reset -eq 0 ]; then
win_location="c"
fi
echo "$win_location"
unset win_location
unset hard_reset
}
function wslu_get_build {
build=$("$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/reg.exe query "HKLM\\Software\\Microsoft\\Windows NT\\CurrentVersion" /v CurrentBuild | tail -n 2 | head -n 1 | sed -e 's|\r||g')
echo "${build##* }"
}
function wslu_get_wsl_ver {
wslutmpbuild="$(( $(wslu_get_build) + 0 ))"
if [ $wslutmpbuild -ge $BN_MAY_NINETEEN ]; then
# The environment variable only available in 19H1 or later.
wslu_distro_regpath=$("$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/reg.exe query "HKCU\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Lxss" /s /f DistributionName 2>&1 | sed -e 's|\r||g' | grep -B1 -e "$WSL_DISTRO_NAME$" | head -n1 )
if "$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/reg.exe query "$wslu_distro_regpath" /v Flags &>/dev/null; then
wslu_distro_version=$("$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/reg.exe query "$wslu_distro_regpath" /v Flags | tail -n 2 | head -n 1 | sed -e 's|\r||g')
wslu_distro_version=${wslu_distro_version##* }
wslu_distro_version_processed=$(( "$(printf "%d\n" "$wslu_distro_version")" / 8 ))
if [ "$wslu_distro_version_processed" == "1" ]; then
echo "2"
elif [ "$wslu_distro_version_processed" == "0" ]; then
echo "1"
fi
else
echo "1"
fi
else
echo "1"
fi
}
function chcp_com {
"$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/chcp.com "$@" >/dev/null
}
function winps_exec {
debug_echo "winps_exec: called with command $*"
wslutmpbuild="$(wslu_get_build)"
cp="$(cat "${wslu_state_dir}"/oemcp)"
[ "$wslutmpbuild" -ge $BN_OCT_NINETEEN ] || chcp_com "$cp"
"$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/WindowsPowerShell/v1.0/powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "[Console]::OutputEncoding = [System.Text.Encoding]::UTF8; [Console]::InputEncoding = [System.Text.Encoding]::GetEncoding($cp); $*"
EXIT_STATUS=$?
[ "$wslutmpbuild" -ge $BN_OCT_NINETEEN ] || chcp_com 65001
return $EXIT_STATUS
}
function cmd_exec {
debug_echo "cmd_exec: called with command $*"
"$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/cmd.exe /c "$@"
EXIT_STATUS=$?
return $EXIT_STATUS
}
function baseexec_gen {
debug_echo "baseexec_gen: called"
wslutmpbuild="$(( $(wslu_get_build) + 0 ))"
debug_echo "baseexec_gen: winbuild: $wslutmpbuild"
if [ $wslutmpbuild -ge $BN_MAY_NINETEEN ]; then
# The environment variable only available in 19H1 or later.
debug_echo "baseexec_gen: 19H1 or higher"
wslu_distro_regpath=$("$(interop_prefix)"c/Windows/System32/reg.exe query "HKCU\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Lxss" /s /f DistributionName 2>&1 | sed -e 's|\r||g' | grep -B1 -e "$WSL_DISTRO_NAME$" | head -n1 )
if "$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/reg.exe query "$wslu_distro_regpath" /v PackageFamilyName &>/dev/null; then
wslu_distro_packagename=$("$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/reg.exe query "$wslu_distro_regpath" /v PackageFamilyName | tail -n 2 | head -n 1 | sed -e 's|\r||g')
# if it is a store distro
debug_echo "baseexec_gen: store distro: $wslu_distro_packagename"
wslu_distro_packagename=${wslu_distro_packagename##* }
wslu_base_exec_folder_path="$(wslpath "$(winps_exec "[Environment]::GetFolderPath('LocalApplicationData')" | tr -d "\r")\\Microsoft\\WindowsApps\\$wslu_distro_packagename")"
debug_echo "baseexec_gen: base_exe_folder_path: $wslu_base_exec_folder_path"
if find "$wslu_base_exec_folder_path" -name "*.exe" -print -quit &>/dev/null; then
debug_echo "baseexec_gen: found exe in wslu_base_exec_folder_path"
wslpath -w "$(find "$wslu_base_exec_folder_path" -name "*.exe" -print -quit)" > "${wslu_state_dir}"/baseexec
else
debug_echo "baseexec_gen: do not have base exec in the folder; use fallback"
echo "$(wslpath -w "$(interop_prefix)$(sysdrive_prefix)")\\Windows\\System32\\wsl.exe" > "${wslu_state_dir}"/baseexec
fi
else
debug_echo "baseexec_gen: imported distro"
# if it is imported distro
echo "$(wslpath -w "$(interop_prefix)$(sysdrive_prefix)")Windows\\System32\\wsl.exe" > "${wslu_state_dir}"/baseexec
fi
else
debug_echo "baseexec_gen: fallback mode"
# older version fallback.
echo "$(wslpath -w "$(interop_prefix)$(sysdrive_prefix)")\\Windows\\System32\\wsl.exe" > "${wslu_state_dir}"/baseexec
fi
}
function var_gen {
debug_echo "var_gen: called"
date +"%s" > "${wslu_state_dir}"/triggered_time
rm -f "${wslu_state_dir}"/baseexec
rm -f "${wslu_state_dir}"/oemcp
# generate oem codepage
"$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/reg.exe query "HKLM\\SYSTEM\\CurrentControlSet\\Control\\Nls\\CodePage" /v OEMCP 2>&1 | sed -n 3p | sed -e 's|\r||g' | grep -o '[[:digit:]]*' > "${wslu_state_dir}"/oemcp
# generate base exe location
baseexec_gen
}
function wslu_function_check {
# from https://stackoverflow.com/questions/85880/determine-if-a-function-exists-in-bash
debug_echo "wslu_function_check: called with $*"
declare -f -F "$1" > /dev/null
return $?
}
function wslu_file_check {
debug_echo "wslu_file_check: called with $*"
should_i_show=""
[[ "$3" == "?!S" ]] && should_i_show="n"
if [[ ! -f "$1/$2" ]]; then
[[ -z "$should_i_show" ]] && echo "${warn} $2 not found in Windows directory. Copying right now..."
[[ -d "$1" ]] || mkdir "$1"
if [[ -f "/usr/share/wslu/$2" ]]; then
cp "/usr/share/wslu/$2" "$1"
[[ -z "$should_i_show" ]] && echo "${info} $2 copied. Located at \"$1\"."
else
[[ -z "$should_i_show" ]] && echo "${error} $2 not found. Failed to copy."
exit 30
fi
fi
}
function wslpy_check {
debug_echo "wslpy_check"
if type python3 > /dev/null 2>&1; then
debug_echo "wslpy_check: python3 installed."
tmp_wslpy_ver="$(python3 -c "import wslpy; print(wslpy.__version__)" 2>/dev/null)"
if [[ "$tmp_wslpy_ver" != "" ]]; then
debug_echo "wslpy_check: wslpy installed."
older_ver="$(echo -e "$tmp_wslpy_ver\n0.1.0" | sort -n -t. | head -n1)"
if [[ "$older_ver" == "$tmp_wslpy_ver" ]]; then
debug_echo "wslpy_check: wslpy installed but a version < 0.1.0 is installed."
return 1
else
debug_echo "wslpy_check: wslpy >= 0.1.0 is installed."
return
fi
else
debug_echo "wslpy_check: wslpy not installed."
return 1
fi
else
debug_echo "wslpy_check: python3 not installed."
return 1
fi
}
# pre_check to make sure WSL_INTEROP is properly set in WSL2
if [ "$(wslu_get_wsl_ver)" == "2" ] && [ -z "$WSL_INTEROP" ]; then
for i in $(pstree -np -s $$ | grep -o -E '[0-9]+'); do
if [[ -e "/run/WSL/${i}_interop" ]]; then
export WSL_INTEROP=/run/WSL/${i}_interop
fi
done
fi
# first run, saving some information
if [ ! -d ~/.config/wslu ]; then
debug_echo "first run; creating ~/.config/wslu"
mkdir -p ~/.config/wslu
fi
# This gets tirggered then:
# 1. if it's the first time the script is triggered, i.e.,
# ${wslu_state_dir}/triggered time
# 2. if update_time is also not present, i.e.,
# badly installed packages or installed via install script
if [ ! -f "${wslu_state_dir}"/triggered_time ] || [ ! -f /usr/share/wslu/updated_time ]; then
debug_echo "first run or update_time not present; calling var_gen"
var_gen
# This gets triggered when:
# installed time is larger than the last triggered time
elif [ "$(cat "${wslu_state_dir}"/triggered_time)" -lt "$(cat /usr/share/wslu/updated_time)" ]; then
debug_echo "upgraded package; calling var_gen"
var_gen
fi
# basic distro detection
distro="$(sed -n -e '/^NAME=.*/p' /etc/os-release | sed -e 's/^NAME=\"//g')"
case $distro in
*Clear\ Linux*) distro="clear";;
*Common\ Base\ Linux\ Mariner*) distro="cblm";;
*Pengwin*) distro="pengwin";;
*WLinux*) distro="wlinux";;
Ubuntu*) distro="ubuntu";;
*Debian*) distro="debian";;
*Kali*) distro="kali";;
openSUSE*) distro="opensuse";;
SLES*) distro="sles";;
Alpine*) distro="alpine";;
Arch*) distro="archlinux";;
*Oracle*) distro="oracle";;
AlmaLinux*) distro="almalinux";;
Scientific*) distro="scilinux";;
*Fedora\ Remix\ for\ WSL*) distro="fedoraremix";;
*Fedora*) distro="fedora";;
*Gentoo*) distro="gentoo";;
*Generic*) [ "fedora" == "$(grep -e "LIKE=" /etc/os-release | sed -e 's/ID_LIKE=//g')" ] && distro="oldfedora" || distro="unknown";;
*) distro="unknown";;
esac
debug_echo "distro: $distro"