52 lines
1.8 KiB
Bash
Executable File
52 lines
1.8 KiB
Bash
Executable File
#!/bin/bash --norc
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if [ "$LOGNAME" != "root" ]; then
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echo "You need to run $0 through sudo"
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exit 1
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fi
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if [ -x /usr/sbin/daemonize ]; then
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DAEMONIZE=/usr/sbin/daemonize
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elif [ -x /usr/bin/daemonize ]; then
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DAEMONIZE=/usr/bin/daemonize
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else
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echo "Cannot execute daemonize to start systemd."
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exit 1
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fi
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if ! command -v /lib/systemd/systemd > /dev/null; then
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echo "Cannot execute /lib/systemd/systemd."
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exit 1
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fi
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if ! command -v /usr/bin/unshare > /dev/null; then
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echo "Cannot execute /usr/bin/unshare."
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exit 1
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fi
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SYSTEMD_EXE="/lib/systemd/systemd --unit=basic.target"
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SYSTEMD_PID="$(ps -eo pid=,args= | awk '$2" "$3=="'"$SYSTEMD_EXE"'" {print $1}')"
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if [ -z "$SYSTEMD_PID" ]; then
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"$DAEMONIZE" /usr/bin/unshare --fork --pid --mount-proc bash -c 'export container=wsl; mount -t binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc; exec '"$SYSTEMD_EXE"
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while [ -z "$SYSTEMD_PID" ]; do
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echo "Sleeping for 1 second to let systemd settle"
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sleep 1
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SYSTEMD_PID="$(ps -eo pid=,args= | awk '$2" "$3=="'"$SYSTEMD_EXE"'" {print $1}')"
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done
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fi
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USER_HOME="$(getent passwd | awk -F: '$1=="'"$SUDO_USER"'" {print $6}')"
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if [ -n "$SYSTEMD_PID" ] && [ "$SYSTEMD_PID" != "1" ]; then
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if [ -n "$1" ] && [ "$1" != "bash --login" ] && [ "$1" != "/bin/bash --login" ]; then
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exec /usr/bin/nsenter -t "$SYSTEMD_PID" -a \
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/usr/bin/sudo -H -u "$SUDO_USER" \
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/bin/bash -c 'set -a; [ -f "$HOME/.systemd-env" ] && source "$HOME/.systemd-env"; set +a; exec bash -c '"$(printf "%q" "$@")"
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else
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exec /usr/bin/nsenter -t "$SYSTEMD_PID" -a \
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/bin/login -p -f "$SUDO_USER" \
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$([ -f "$USER_HOME/.systemd-env" ] && /bin/cat "$USER_HOME/.systemd-env" | xargs printf ' %q')
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fi
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echo "Existential crisis"
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exit 1
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fi
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