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ubuntu-wsl2-systemd-script.sh
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ubuntu-wsl2-systemd-script.sh
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#!/bin/bash
if [ "$1" != "--force" ]; then
if [ -f /usr/sbin/start-systemd-namespace ]; then
echo "It appears you have already installed the systemd hack."
echo "To forcibly reinstall, run this script with the \`--force\` parameter."
exit
fi
if [ -z "$WSL_DISTRO_NAME" ]; then
echo "It appears that you are not running on WSL."
echo "To forcibly install anyway, run this script with the \`--force\` parameter."
exit
fi
fi
self_dir="$(dirname $0)"
function interop_prefix {
win_location="/mnt/"
if [ -f /etc/wsl.conf ]; then
tmp="$(awk -F '=' '/root/ {print $2}' /etc/wsl.conf | awk '{$1=$1;print}')"
[ "$tmp" == "" ] || win_location="$tmp"
unset tmp
fi
echo "$win_location"
unset win_location
}
function sysdrive_prefix {
win_location="$(interop_prefix)"
hard_reset=0
for pt in $(ls "$win_location"); do
if [ $(echo "$pt" | wc -l) -eq 1 ]; then
if [ -d "$win_location$pt/Windows/System32" ]; then
hard_reset=1
win_location="$pt"
break
fi
fi
done
if [ $hard_reset -eq 0 ]; then
win_location="c"
fi
echo "$win_location"
unset win_location
unset hard_reset
}
sudo hwclock -s
sudo apt-get update && sudo apt-get install -yqq daemonize dbus-user-session fontconfig
sudo cp "$self_dir/start-systemd-namespace" /usr/sbin/start-systemd-namespace
sudo cp "$self_dir/enter-systemd-namespace" /usr/sbin/enter-systemd-namespace
sudo chmod +x /usr/sbin/enter-systemd-namespace
sudo tee /etc/sudoers.d/systemd-namespace >/dev/null <<EOF
Defaults env_keep += WSLPATH
Defaults env_keep += WSLENV
Defaults env_keep += WSL_INTEROP
Defaults env_keep += WSL_DISTRO_NAME
Defaults env_keep += PRE_NAMESPACE_PATH
Defaults env_keep += PRE_NAMESPACE_PWD
%sudo ALL=(ALL) NOPASSWD: /usr/sbin/enter-systemd-namespace
EOF
if ! grep 'start-systemd-namespace' /etc/bash.bashrc >/dev/null; then
sudo sed -i 2a"# Start or enter a PID namespace in WSL2\nsource /usr/sbin/start-systemd-namespace\n" /etc/bash.bashrc
fi
sudo rm -f /etc/systemd/user/sockets.target.wants/dirmngr.socket
sudo rm -f /etc/systemd/user/sockets.target.wants/gpg-agent*.socket
sudo rm -f /lib/systemd/system/sysinit.target.wants/proc-sys-fs-binfmt_misc.automount
sudo rm -f /lib/systemd/system/sysinit.target.wants/proc-sys-fs-binfmt_misc.mount
sudo rm -f /lib/systemd/system/sysinit.target.wants/systemd-binfmt.service
if [ -f /proc/sys/fs/binfmt_misc/WSLInterop ] && [ "$(head -n1 /proc/sys/fs/binfmt_misc/WSLInterop)" == "enabled" ]; then
"$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/cmd.exe /C setx WSLENV BASH_ENV/u
"$(interop_prefix)$(sysdrive_prefix)"/Windows/System32/cmd.exe /C setx BASH_ENV /etc/bash.bashrc
else
echo
echo "You need to manually run the following two commands in Windows' cmd.exe:"
echo
echo " setx WSLENV BASH_ENV/u"
echo " setx BASH_ENV /etc/bash.bashrc"
echo
fi