[type/__mail_alias] Fixes (mostly mawk compatibility)

type/__mail_alias/explorer/aliases

@@ -22,13 +22,11 @@
 aliases_file=$("${__type_explorer}/aliases_file")
 test -r "${aliases_file}" || exit 0
 
-name=$__object_id
-
-awk -F ':[[:blank:]]*' '
-function print_aliases (aliases,  matches) {
-	split(aliases, matches, /,[[:blank:]]*/)
+awk -F ':[ \t]*' '
+function print_aliases(aliases,    matches) {
+	split(aliases, matches, /,[ \t]*/)
 	for (i in matches) {
-		gsub(/^[[:blank:]]*|[[:blank:]]*$/, "", matches[i])
+		gsub(/^[ \t]*|[ \t]*$/, "", matches[i])
 		print matches[i]
 	}
 }
@@ -40,7 +38,7 @@ function print_aliases (aliases,  matches) {
 
 {
 	cont = ($0 ~ /\\$/)
-	if (cont) sub(/[[:blank:]]*\\$/, "", $0)
+	if (cont) sub(/[ \t]*\\$/, "", $0)
 }
 
 /^[[:blank:]]/ || cont {

type/__mail_alias/gencode-remote

@@ -23,7 +23,7 @@ state_should=$(cat "${__object}/parameter/state")
 case $state_should
 in
 	(present)
-		if cmp "${__object}/explorer/aliases" "${__object}/parameter/alias"
+		if cmp -s "${__object}/explorer/aliases" "${__object}/parameter/alias"
 		then
 			# all good!
 			exit 0
@@ -57,7 +57,8 @@ printf 'mode=%u\n' "${mode}"
 printf "aliases_file='%s'\n" "${aliases_file}"
 
 cat <<'EOF'
-awk -F ':[[:blank:]]*' -v mode="${mode}" '
+test -f "${aliases_file}" || touch "${aliases_file}"
+awk -F ':[ \t]*' -v mode="${mode}" '
 function sepafter(f, default,  _) {
 	_ = substr($0, length($f) + 1, index(substr($0, length($f)+1), $(f+1)) - 1)
 	if (_) return _
@@ -90,10 +91,10 @@ BEGIN {
 
 {
 	cont = ($0 ~ /\\$/)
-	if (cont) sub(/[[:blank:]]*\\$/, "", $0)
+	if (cont) sub(/[ \t]*\\$/, "", $0)
 }
 
-/^[[:blank:]]/ || cont {
+/^[ \t]/ || cont {
 	# continuation line
 	if (select) next
 }
@@ -118,7 +119,7 @@ END {
 	exit 1
 }
 
-if ! cmp "${aliases_file}" "${aliases_file}.tmp"
+if ! cmp -s "${aliases_file}" "${aliases_file}.tmp"
 then
 	mv "${aliases_file}.tmp" "${aliases_file}"
 	newaliases