chore: minor changes

Signed-off-by: ale5000 <15793015+ale5000-git@users.noreply.github.com>

Author: ale5000-git

lib/common.lib.sh

@@ -78,7 +78,7 @@ ui_error()
     conf_*) _source_file='common.inc.sh' ;;
     *) _source_file="${4:-"${0##*/}"}" ;;
   esac
-  printf 1>&2 '%s:%s: ERROR: [%s] %s\n' "${_source_file?}" "${2:-0}" "${3:-<main>}" "${1:?}"
+  printf 1>&2 '%s:%s: ERROR: [%s] %s\n' "${_source_file:-unknown}" "${2:-0}" "${3:-<main>}" "${1:?}"
 
   pause_if_needed 0
   restore_saved_title_if_exist

tools/help.sh

@@ -26,11 +26,11 @@ aligned_print 'shellhelp' 'Show the original help of the shell'
 printf '\n'
 
 aligned_print 'build' 'Build the flashable zip (set the BUILD_TYPE env var to choose what to build)'
-aligned_print 'make' 'Execute "make" of your PC (on Windows it fallback to internal "pdpmake" if no make is found)'
+aligned_print 'make' 'Execute the system "make" (on Windows it falls back to internal "pdpmake" if no make is found)'
 if test "${PLATFORM:?}" = 'win'; then
   aligned_print 'pdpmake' 'Execute the internal "pdpmake"'
 else
-  aligned_print 'pdpmake' 'Execute "pdpmake" of your PC'
+  aligned_print 'pdpmake' 'Execute the system "pdpmake"'
 fi
 aligned_print 'gradlew' 'Execute the Gradle wrapper'
 aligned_print 'cmdline' 'Execute our command-line (if you are already inside, then it will be executed in a subshell)'