Remove necessity of INSTALLER_SCRIPT variable

scripts/Common/OS/install.fish

@@ -1,5 +1,6 @@
 #!/bin/env fish
 set -l dir (status dirname)
+set -l cmdline (cat /proc/$fish_pid/cmdline | string split0)
 source "$dir/../Scripts/config.fish"
 source "$dir/../Scripts/hooks.fish"
 
@@ -9,7 +10,7 @@ if [ (id -u) -eq 0 ]
     rm ~/.bash_profile
 
     if [ -z "$TMUX" ]
-        tmux new-session (cat /proc/$fish_pid/cmdline | string split0)
+        tmux new-session $cmdline
     else
         begin
             echo "Creating setup user"
@@ -28,7 +29,7 @@ if [ (id -u) -eq 0 ]
             echo "$name ALL=(ALL:ALL) NOPASSWD: ALL"
         end >"$sudoConfig"
 
-        and sudo --preserve-env --set-home --user "$name" "$INSTALLER_SCRIPT"
+        and sudo --preserve-env --set-home --user "$name" $cmdline
         rm "$sudoConfig"
         userdel -rf "$name"
     end

scripts/Common/OS/setup.fish

@@ -72,7 +72,6 @@ function runSetup
 
         wrapScript (
             string join " " \
-                "INSTALLER_SCRIPT=$(string escape "$script")" \
                 "CONFIG_NAME=$(string escape "$CONFIG_NAME")" \
                 (string escape $script))