Update documentation, clean up

xS/.gitignore

@@ -0,0 +1,2 @@
+/xS
+/xS-replies.go

xS/Makefile

@@ -0,0 +1,13 @@
+.POSIX:
+.SUFFIXES:
+AWK = env LC_ALL=C awk
+
+outputs = xS xS-replies.go
+all: $(outputs)
+
+xS: xS.go xS-replies.go
+	go build -o $@
+xS-replies.go: xS-gen-replies.awk xS-replies
+	$(AWK) -f xS-gen-replies.awk xS-replies > $@
+clean:
+	rm -f $(outputs)

xS/go.mod

@@ -0,0 +1,3 @@
+module janouch.name/xK/xS
+
+go 1.19

xS/xS-gen-replies.awk

@@ -1,15 +1,19 @@
 #!/usr/bin/awk -f
 /^[0-9]+ *(ERR|RPL)_[A-Z]+ *".*"$/ {
-	match($0, /".*"/);
-	ids[$1] = $2;
-	texts[$2] = substr($0, RSTART, RLENGTH);
+	match($0, /".*"/)
+	ids[$1] = $2
+	texts[$2] = substr($0, RSTART, RLENGTH)
 }
 
 END {
-	print "package " ENVIRON["GOPACKAGE"] "\n\nconst ("
+	print "package main"
+	print ""
+	print "const ("
 	for (i in ids)
 		printf("\t%s = %s\n", ids[i], i)
-	print ")\n\nvar defaultReplies = map[int]string{"
+	print ")"
+	print ""
+	print "var defaultReplies = map[int]string{"
 	for (i in ids)
 		print "\t" ids[i] ": " texts[ids[i]] ","
 	print "}"

xS/xS.go

@@ -460,8 +460,6 @@ func (fd *floodDetector) check() bool {
 
 // --- IRC protocol ------------------------------------------------------------
 
-//go:generate sh -c "LC_ALL=C awk -f xS-gen-replies.awk > xS-replies.go < xS-replies"
-
 func ircToLower(c byte) byte {
 	switch c {
 	case '[':