Create a script to handle stamping release version numbers into files,

replacing the tedious and error-prone manual process we've been using.

src/tools/RELEASE_CHANGES

@@ -2,16 +2,9 @@ For All Releases (major, minor, beta, RC)
 ================
 
 * Release version number changes
-	o doc/bug.template (beta)
-	o bump Win32 interface version numbers
-		- src/include/pg_config.h.win32 
-		  (string and integer versions) (beta)
-		- src/interfaces/libpq/libpq.rc.in
-		  (pre-8.0 had just libpq.rc)
-		- src/port/win32ver.rc
 	o update doc/FAQ and doc/src/FAQ/FAQ.html
 	o copy FAQs from HEAD to top-most branch
-	o configure.in, and run autoconf or update configure 
+	o run src/tools/version_stamp.pl, then run autoconf
 	  (by packager) (beta)
 
 * Release notes
@@ -61,6 +54,16 @@ For Major Releases
 * Update inet/cidr data types with newest Bind patches
 
 
+Starting a New Development Cycle
+================================
+
+* Create a branch in CVS for maintenance of the previous release
+
+* Increment the major version number in src/tools/version_stamp.pl
+
+* Run "src/tools/version_stamp.pl devel", then run autoconf
+
+
 Creating Back-Branch Release Notes
 ==================================
 

src/tools/version_stamp.pl

@@ -0,0 +1,113 @@
+#! /usr/bin/perl -w
+
+#################################################################
+# version_stamp.pl -- update version stamps throughout the source tree
+#
+# Copyright (c) 2008, PostgreSQL Global Development Group
+#
+# $PostgreSQL: pgsql/src/tools/version_stamp.pl,v 1.1 2008/06/10 18:08:48 tgl Exp $
+#################################################################
+
+#
+# This script updates the version stamp in configure.in, and also in assorted
+# other files wherein it's not convenient to obtain the version number from
+# configure's output.  Note that you still have to run autoconf afterward
+# to regenerate configure from the updated configure.in.
+#
+# Usage: cd to top of source tree and issue
+#	src/tools/version_stamp.pl MINORVERSION
+# where MINORVERSION can be a minor release number (0, 1, etc), or
+# "devel", "betaN", "rcN".
+#
+
+# Major version is hard-wired into the script.  We update it when we branch
+# a new development version.
+$major1 = 8;
+$major2 = 4;
+
+# Validate argument and compute derived variables
+$minor = shift;
+defined($minor) || die "$0: missing required argument: minor-version\n";
+
+if ($minor =~ m/^\d+$/) {
+    $dotneeded = 1;
+    $numericminor = $minor;
+} elsif ($minor eq "devel") {
+    $dotneeded = 0;
+    $numericminor = 0;
+} elsif ($minor =~ m/^beta\d+$/) {
+    $dotneeded = 0;
+    $numericminor = 0;
+} elsif ($minor =~ m/^rc\d+$/) {
+    $dotneeded = 0;
+    $numericminor = 0;
+} else {
+    die "$0: minor-version must be N, devel, betaN, or rcN\n";
+}
+
+# Create various required forms of the version number
+$majorversion = $major1 . "." . $major2;
+if ($dotneeded) {
+    $fullversion = $majorversion . "." . $minor;
+} else {
+    $fullversion = $majorversion . $minor;
+}
+$numericversion = $majorversion . "." . $numericminor;
+$padnumericversion = sprintf("%d%02d%02d", $major1, $major2, $numericminor);
+
+# Get the autoconf version number for eventual nag message
+# (this also ensures we're in the right directory)
+
+$aconfver = "";
+open(FILE, "configure.in") || die "could not read configure.in: $!\n";
+while (<FILE>) {
+    if (m/^m4_if\(m4_defn\(\[m4_PACKAGE_VERSION\]\), \[(.*)\], \[\], \[m4_fatal/) {
+        $aconfver = $1;
+	last;
+    }
+}
+close(FILE);
+$aconfver ne "" || die "could not find autoconf version number in configure.in\n";
+
+# Update configure.in and other files that contain version numbers
+
+$fixedfiles = "";
+
+sed_file("configure.in",
+	 "-e 's/AC_INIT(\\[PostgreSQL\\], \\[[0-9a-z.]*\\]/AC_INIT([PostgreSQL], [$fullversion]/'");
+
+sed_file("doc/bug.template",
+	 "-e 's/PostgreSQL version (example: PostgreSQL .*) *:  PostgreSQL .*/PostgreSQL version (example: PostgreSQL $fullversion):  PostgreSQL $fullversion/'");
+
+sed_file("src/include/pg_config.h.win32",
+	"-e 's/#define PACKAGE_STRING \"PostgreSQL .*\"/#define PACKAGE_STRING \"PostgreSQL $fullversion\"/' " .
+	"-e 's/#define PACKAGE_VERSION \".*\"/#define PACKAGE_VERSION \"$fullversion\"/' " .
+	 "-e 's/#define PG_VERSION \".*\"/#define PG_VERSION \"$fullversion\"/' " .
+	 "-e 's/#define PG_VERSION_NUM .*/#define PG_VERSION_NUM $padnumericversion/'");
+
+sed_file("src/interfaces/libpq/libpq.rc.in",
+	 "-e 's/FILEVERSION [0-9]*,[0-9]*,[0-9]*,0/FILEVERSION $major1,$major2,$numericminor,0/' " .
+	 "-e 's/PRODUCTVERSION [0-9]*,[0-9]*,[0-9]*,0/PRODUCTVERSION $major1,$major2,$numericminor,0/' " .
+	 "-e 's/VALUE \"FileVersion\", \"[0-9.]*/VALUE \"FileVersion\", \"$numericversion/' " .
+	 "-e 's/VALUE \"ProductVersion\", \"[0-9.]*/VALUE \"ProductVersion\", \"$numericversion/'");
+
+sed_file("src/port/win32ver.rc",
+	 "-e 's/FILEVERSION    [0-9]*,[0-9]*,[0-9]*,0/FILEVERSION    $major1,$major2,$numericminor,0/' " .
+	 "-e 's/PRODUCTVERSION [0-9]*,[0-9]*,[0-9]*,0/PRODUCTVERSION $major1,$major2,$numericminor,0/'");
+
+print "Stamped these files with version number $fullversion:\n$fixedfiles";
+print "Don't forget to run autoconf $aconfver before committing.\n";
+
+exit 0;
+
+sub sed_file {
+    my($filename, $sedargs) = @_;
+    my($tmpfilename) = $filename . ".tmp";
+
+    system("sed $sedargs $filename >$tmpfilename") == 0
+      or die "sed failed: $?";
+    system("mv $tmpfilename $filename") == 0
+      or die "mv failed: $?";
+
+    $fixedfiles .= "\t$filename\n";
+}