fixed spellcheck and minor issues for release

profile.d/compress.sh

@@ -34,7 +34,10 @@
 # * OF SUCH DAMAGE.
 # ------------------------------------------------------------------------------
 
+# shellcheck disable=SC2317,SC2329 # nested helper functions are called through their name (shellcheck cannot follow them)
+
 # Common helpers (helpers/common.sh)
+# shellcheck source=../helpers/common.sh
 declare -F _profile_load_helpers >/dev/null || . "$(dirname -- "${BASH_SOURCE[0]}")/../helpers/common.sh"
 
 load_conf "compress"
@@ -832,6 +835,7 @@ taz()
     }
     # disp() hides info messages when QUIET=1; being local, this only lasts
     # for the duration of this call (dynamic scoping).
+    # shellcheck disable=SC2034 # read by disp
     [[ -n $quiet ]] && local QUIET=1
 
     # Fall back to the configured (or built-in) default format list.