From aeeb51372863bd95b5126691c16851d52082ac92 Mon Sep 17 00:00:00 2001
From: Justin Davis <jrcd83@gmail.com>
Date: Sun, 13 May 2012 20:40:10 -0400
Subject: Add feature to replace ver-strings with $pkgver.

Alot of logic was added to allow changing versions
in mods while still preserving the version in the
$_ver custom variable.
---
 bin/genpkg   | 22 ++++++++++++++++++++--
 bin/pbfields | 51 ++++++++++++++++++++++++++++++---------------------
 2 files changed, 50 insertions(+), 23 deletions(-)

(limited to 'bin')

diff --git a/bin/genpkg b/bin/genpkg
index b3fa6c8..470cd5f 100755
--- a/bin/genpkg
+++ b/bin/genpkg
@@ -58,6 +58,18 @@ END { exit !found }
 	return $?
 }
 
+# Create an extra "ver" field in case the packager needs to modify
+# the version.
+dupver()
+{
+	awk '
+BEGIN { OFS = FS = "\n"; RS = ""; ORS = "\n\n" }
+$1 == "pkgver" { pkgver = $2 }
+1
+END { print "ver", pkgver }
+'
+}
+
 if [ $# -lt 1 ]
 then
 	echo "usage: $prog [package name]" 1>&2
@@ -98,20 +110,26 @@ do
 		rm PKGDATA
 		exit "$?"
 	fi
+	trap '' 1 2 15
 
 	mod="$modsd/$pkg"
 	if [ -f "$mod" -a -r "$mod" ]
 	then
-		if modpkg "$mod"
+		trap 'rm PKGDATA.new' 1 2 15
+		if cat PKGDATA | dupver | modpkg "$mod" > PKGDATA.new
 		then
 			echo "Modified with $mod." 1>&2
+			mv PKGDATA.new PKGDATA
 		else
 			echo "$prog: modpkg failed." 1>&2
+			[ "$GENPKGDBG" ] || rm PKGDATA.new
 		fi
+		trap '' 1 2 15
 	fi
 
 	# Insert PKGBUILD fields into prefix of PKGBUILD body.
-	cat PKGDATA | injectdigs | pbfields | putpkgtree PKGBUILD prefix body || exit "$?"
+	cat PKGDATA | vervar | injectdigs | pbfields |\
+		putpkgtree PKGBUILD prefix body || exit "$?"
 
 	# Merge split PKGTREE files into their own separate text files.
 	mergefile PKGBUILD prefix build check package suffix
diff --git a/bin/pbfields b/bin/pbfields
index 5bbf9c6..ca65c2a 100755
--- a/bin/pbfields
+++ b/bin/pbfields
@@ -1,16 +1,22 @@
 #!/usr/bin/awk -f
 
 BEGIN {
-	fieldstr = "pkgname pkgver pkgrel pkgdesc epoch" \
+	fieldstr = "pkgname _ver pkgver pkgrel pkgdesc epoch" \
 		" *arch *license *options" \
 		" install changelog" \
 		" *depends *makedepends *checkdepends *optdepends" \
 		" *conflicts *provides" \
-		" url *source *noextract *md5sums *sha512sums"
+		" url *source *noextract *md5sums *sha512sums" \
+		" _dir"
 	max = split(fieldstr, fields)
 	for(i=1; i<=max; i++) {
-		if(sub(/^[*]/, "", fields[i])) arrfield[fields[i]] = 1;
-		else strfield[fields[i]] = 1;
+		if(sub(/^[*]/, "", fields[i])){
+			arrfield[fields[i]] = 1
+		}else if(sub(/^_/, "", fields[i])){
+			cfield[fields[i]] = 1
+		}else{
+			strfield[fields[i]] = 1
+		}
 	}
 
 	COLS = 78; FS = "\n"; RS = ""
@@ -22,15 +28,6 @@ $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 }
-
 $1 == "customvars" {
 	for(i = 2; i <= NF; i++){
 		customvars[i - 1] = $i
@@ -39,7 +36,8 @@ $1 == "customvars" {
 }
 
 {
-	if(strfield[$1]){
+	quotevals()
+	if(($1 in strfield) || ($1 in cfield)){
 		output[$1] = $2
 	}else {
 		arrtxt = wraparray(length($1) + 2)
@@ -62,16 +60,22 @@ END {
 	print ""
 
 	OFS = "="; ORS = "\n";
+	for(i = 1; i <= customlen; i++){
+		v = customvars[i]
+		print "_" v, unk[v]
+	}
 	for(i=1; i<=max; i++){
 		name = fields[i]
-		if(name in output){
+		if(!(name in output)){
+			continue
+		}
+
+		if(name in cfield){
+			print "_" name, output[name]
+		}else{
 			print name, output[name]
 		}
 	}
-	for(i = 1; i <= customlen; i++){
-		v = customvars[i]
-		print "_" v, unk[v]
-	}
 }
 
 function wraparray (indent)
@@ -112,6 +116,11 @@ function quotevals ()
 
 function bashquote (val)
 {
-	if(val ~ /[$]/) return sprintf("\"%s\"", val)
-	return sprintf("'%s'", val)
+
+	if(val ~ /[$'"`]/){
+		gsub(/[$"`]/, "\\\\&", $2)
+		return sprintf("\"%s\"", val)
+	}
+	if(val ~ / /) return sprintf("'%s'", val)
+	return val
 }
-- 
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