refact(setup) move HELP msg to the top

setup-account.sh

 #!/bin/bash
-## Functions to setup BDAP user account for bash & git (only if pending).
 #
 # Call this script with the name of the action-function as arg[1].
+function _HELP { echo \
+"$mycmd - setup a BDAP user account with (pending) actions for keyboard, bash, git, conda
+SYNTAX:
+    $mycmd [ACTION]...
+WHERE ACTION is:
+$(for i in $(_list_all_actions); do echo "    $i"; done)
+NOTES:
+    * Without any args, it  launches 'all' actions above, in that order.
+    * The 'upd30_git_user_XXX' actions awaits interactively input from the user.
+    * You may have to logout & re-login after 'upd40_bashrc_conda_init',
+      for 'upd50_create_conda_env' to succeed.
+    * You can repeatedly run this script, until all actions succeed.
+"
+}
 
 set -e
 
+mycmd="${0##*/}"
+mydir=$(realpath "${0%/*}")
+cd "$mydir"
+
 function _short {
     ## Return vars relative to PWD, prefixed with "./"
     #  as conda env needs
@@ -17,9 +34,6 @@ function _short {
     fi
 }
 
-mydir=$(realpath "${0%/*}")
-cd "$mydir"
-mycmd="${0##*/}"
 conda_env_prefix=$(_short "$mydir/env")
 
 function _mute {
@@ -318,7 +332,9 @@ function all {
 
 ## Trick to search if NOT help- asked
 # from: https://superuser.com/a/1002826/227922
-if [[ "${@#-h}" = "$@" && "${@#--help}" = "$@" ]]; then
+if [[ "${@#-h}" != "$@" || "${@#--help}" != "$@" ]]; then
+    _HELP
+else
     if [[ $# -eq 0 ]]; then
         echo "Running all actions..."
         all
@@ -329,18 +345,4 @@ if [[ "${@#-h}" = "$@" && "${@#--help}" = "$@" ]]; then
             $cmd
         done
     fi
-else
-    echo "$mycmd - actions to setup a BDAP user account.
-SYNTAX:
-    $mycmd [ACTION]...
-WHERE:
-    ACTION is one of:
-$(_list_all_actions)
-NOTES:
-    * Without any args, it  launches 'all' actions above, in that order.
-    * The 'upd30_git_user_XXX' actions awaits interactively input from the user.
-    * You may have to logout & re-login after 'upd40_bashrc_conda_init',
-      for 'upd50_create_conda_env' to succeed.
-    * You can repeatedly run this script, until all actions succeed.
-"
 fi