Add module filtering to install.sh/main

install.sh

@@ -15,10 +15,44 @@ function autoloadZShLib() {
   autoload -Uz "${funcNames[@]}"
 }
 
+function getFilteredModules() {
+  if [ "${#module}" -eq 0 ]; then
+    echo "${allModules[@]}"
+  else
+    local modulesToKeep=()
+    for mod in "${allModules[@]}"; do
+      local foundAtIndex="${module[(Ie)${mod}]}"
+      if [ "${inverse}" != 'true' -a "${foundAtIndex}" -gt 0 ]; then
+        modulesToKeep+=("${mod}")
+      elif [ "${inverse}" = 'true' -a "${foundAtIndex}" -eq 0 ]; then
+        modulesToKeep+=("${mod}")
+      fi
+    done
+    echo "${modulesToKeep[@]}"
+  fi
+}
+
 function main() {
+  eval "`docopts -f -V - -h - : "$@" <<- USAGE
+  Usage: $0 [options] [<module>...]
+
+  Install all included modules. If any <module> arg is given, install only those
+  modules.
+
+  Options:
+    -i, --inverse  Exclude the given <module> instead.
+  ----
+	$0 0.1.0
+	Copyright (C) 2022 Rezart Qelibari, Astzweig GmbH & Co. KG
+	License EUPL-1.2. There is NO WARRANTY, to the extent permitted by law.
+  USAGE`"
+  local allModules=()
+  local modulesToInstall=(`getFilteredModules`)
   ensureDocopts
   autoloadZShLib
   hio debug "Current working dir is: `pwd`"
 }
 
-main
+if [[ "${ZSH_EVAL_CONTEXT}" == toplevel ]]; then
+  main
+fi