Fix debug()

Author: Jorenar

git-fmt-diff

@@ -51,12 +51,14 @@ cleanup () {
 
 debug () (
     [ "$1" != "--" ] && [ "$gf_debug" -eq 0 ] && return
-    >&2 printf "[debug] %s" "$(basename "$0")"
-    if [ -n "$BASH_VERSION" ]; then
-        # shellcheck disable=SC3028,SC3054
-        >&2 printf ":%-3d  %30s" "${BASH_LINENO[0]}" "${FUNCNAME[1]}"'()'
+    if [ -z "$BASH_VERSION" ]; then
+        >&2 printf '[debug] %s | %s\n' "$(basename "$0")" "$*"
+        return
     fi
-    >&2 printf " | %s\n" "$*"
+
+    # shellcheck disable=SC3028,SC3054
+    >&2 printf '[debug] %s:%-3d  %30s | %s\n' \
+        "$(basename "$0")" "${BASH_LINENO[0]}" "${FUNCNAME[1]}"'()'  "$*"
 )
 
 pat_list_to_case () {
@@ -399,7 +401,6 @@ process_file () (
     rm_list__push "$fmtcmd"
     echo "$formatter" > "$fmtcmd"
 
-    # shellcheck disable=SC2086
     eval "sh '$fmtcmd' < '$b_raw' > '$b_fmt' $g_fmtprg_devnull"
     rm_list__push "$b_fmt"