Overhaul the initialization workflow

+ Prompt for values with sensible defaults to reduce typing.
+ Detect machine metadata only once during initialization.
+ Only prompt when necessary.

.init.me.sh

@@ -1,6 +1,39 @@
 #! /usr/bin/env bash
 
-set -ex
+CZ_DEBUG=
+while true; do
+    case "$1" in
+        --init) break;;
+        --debug) [[ -z "$SET_X" ]] && export SET_X=set || CZ_DEBUG=--debug;;
+        *)  printf '%s\n' \
+                'Re-initialize chezmoi based environment, reloading it from source' \
+                '' \
+                'Usage:' \
+                "  ${0##*/} [--init]" \
+                '' \
+                'Arguments:' \
+                '  without any (or unknown) arguments, displays this usage message.' \
+                '' \
+                '  --init    Perform initialization' \
+                '' \
+                'Description:' \
+                '  Deletes ~/.config/chezmoi and the .chezmoiroot and performs' \
+                '    chezmoi init --apply' \
+                '  This, in effect, will trigger .chezmoiscripts/run_init.sh template' \
+                '' \
+                '  the init script template determins the type of OS and hardware we are' \
+                '  running on and assigns (creates a symlink) the proper root to' \
+                '  .chezmoiroot at which point, it re-initializes the local chezmoi' \
+                ''
+            exit 2
+            ;;
+    esac
+    shift
+done
+
+set -e
+${SET_X:-:} -x
 
 rm -fR ~/.config/chezmoi ~/.local/share/chezmoi/.chezmoiroot
-chezmoi init --apply
+chezmoi init ${CZ_DEBUG} --apply
+unset SET_X