wsl2-systemd scripts rename

start-systemd-namespace.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+SYSTEMD_EXE="/lib/systemd/systemd --unit=basic.target"
+SYSTEMD_PID="$(ps -eo pid=,args= | awk '$2" "$3=="'"$SYSTEMD_EXE"'" {print $1}')"
+if [ "$LOGNAME" != "root" ] && ( [ -z "$SYSTEMD_PID" ] || [ "$SYSTEMD_PID" != "1" ] ); then
+    export | sed -e 's/^declare -x //;/^IFS=".*[^"]$/{N;s/\n//}' | \
+        grep -E -v "^(BASH|BASH_ENV|DIRSTACK|EUID|GROUPS|HOME|HOSTNAME|\
+IFS|LANG|LOGNAME|MACHTYPE|MAIL|NAME|OLDPWD|OPTERR|\
+OSTYPE|PATH|PIPESTATUS|POSIXLY_CORRECT|PPID|PS1|PS4|\
+SHELL|SHELLOPTS|SHLVL|SYSTEMD_PID|UID|USER|_)(=|\$)" > "$HOME/.systemd-env"
+    export PRE_NAMESPACE_PATH="$PATH"
+    export PRE_NAMESPACE_PWD="$(pwd)"
+    exec $SUDO_CMD /usr/local/bin/enter-systemd-namespace.sh "$BASH_EXECUTION_STRING"
+fi
+if [ -n "$PRE_NAMESPACE_PATH" ]; then
+    export PATH="$PRE_NAMESPACE_PATH"
+    unset PRE_NAMESPACE_PATH
+fi
+if [ -n "$PRE_NAMESPACE_PWD" ]; then
+    cd "$PRE_NAMESPACE_PWD"
+    unset PRE_NAMESPACE_PWD
+fi