1 files changed, 99 insertions, 0 deletions
diff --git a/bin/pbfields b/bin/pbfields
new file mode 100755
index 0000000..5e7844c
--- /dev/null
+++ b/bin/pbfields
@@ -0,0 +1,99 @@
+#!/usr/bin/awk -f
+
+BEGIN {
+	fieldstr = "pkgname pkgver pkgrel pkgdesc epoch" \
+		" *arch *license *options" \
+		" install changelog" \
+		" *depends *makedepends *checkdepends *optdepends" \
+		" *conflicts *provides" \
+		" url *source *noextract *md5sums *sha512sums"
+	max = split(fieldstr, fields)
+	for(i=1; i<=max; i++) {
+		if(sub(/^[*]/, "", fields[i])) arrfield[fields[i]] = 1;
+		else strfield[fields[i]] = 1;
+	}
+
+	COLS = 78; FS = "\n"; RS = ""
+}
+
+NF < 2 { next }
+
+$1 == "packager" { packager = $2 }
+
+$1 == "maintainer" { maintainer = $2 }
+
+$1 ~ /depends$|conflicts|provides|source/ { quotevals() }
+
+$1 == "pkgdesc" {
+	gsub(/[$"`]/, "\\\\&", $2)
+	$2 = sprintf("\"%s\"", $2)
+}
+
+$1 == "pkgverfmt" { pkgverfmt = $2 }
+
+strfield[$1] { output[$1] = $2 }
+
+arrfield[$1] {
+	output[$1] = wraparray(length($1) + 2)
+}
+
+END {
+    if(pkgverfmt){
+        output["pkgver"] = sprintf(pkgverfmt, output["pkgver"])
+    }
+
+	if(!maintainer && !packager) { packager = "Anonymous" }
+	if(maintainer) print "# Maintainer: " maintainer
+	else if(packager) print "# Packager: " packager
+	print ""
+
+	OFS = "="; ORS = "\n";
+	for(i=1; i<=max; i++){
+		name = fields[i]
+		if(name in output){
+			print name, output[name]
+		}
+	}
+}
+
+function wraparray (indent)
+{
+	if(NF == 1) return "()" # this shouldn't happen but just in case.
+
+	line = ""
+	delete lines
+	linecount = 0
+
+	i = 2
+	while(i <= NF) {
+		linelen = length(line)
+
+		if((indent + linelen + 1 + length($i) > COLS) && linelen > 0) {
+			lines[++linecount] = line
+			line = ""
+		} else {
+			if(linelen == 0) line = $(i++)
+			else line = line " " $(i++)
+		}
+	}
+
+	if(length(line) > 0) lines[++linecount] = line
+
+	indtxt = sprintf("%" indent "s", "")
+	txt = "(" lines[1]
+	for(i=2; i<=linecount; i++) txt = txt "\n" indtxt lines[i]
+	txt = txt ")"
+
+	return txt
+}
+
+function quotevals ()
+{
+	for(i=2; i<=NF; i++) $i = bashquote($i)
+}
+
+function bashquote (val)
+{
+	if(val ~ /[$]/) return sprintf("\"%s\"", val)
+	return sprintf("'%s'", val)
+}