From d1b7c6bb55641a1bf9079fe5fe7059bea3ba57f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20M=C3=BCller?= <om@omnis.ch>
Date: Sat, 29 Oct 2005 15:03:09 +0000
Subject: [PATCH] Back from another army period, finally :)  (2 years left,
 normally)

    * scripts/upgrade.pl: various fixes (was not handling rc/pl correctely),
      and improvements (--force option, installation summary, backup directory
      timestamp)
---
 ChangeLog          |  5 +++
 scripts/upgrade.pl | 82 +++++++++++++++++++++++++++++++++++++---------
 2 files changed, 72 insertions(+), 15 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 1635edb5d..b23ba1c08 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,11 @@ phpMyAdmin - Changelog
 $Id$
 $Source$
 
+2005-10-29 Olivier Mueller <om@omnis.ch>
+    * scripts/upgrade.pl: various fixes (was not handling rc/pl correctely),
+      and improvements (--force option, installation summary, backup
+      directory timestamp)
+      
 2005-10-29 Marc Delisle  <lem9@users.sourceforge.net>
     * Documentation.html: clarification on FAQ 6.20
 
diff --git a/scripts/upgrade.pl b/scripts/upgrade.pl
index 06af2a8e6..543345947 100755
--- a/scripts/upgrade.pl
+++ b/scripts/upgrade.pl
@@ -8,9 +8,10 @@
 # 2005-05-08, swix@users.sourceforge.net:
 # - created script
 #
+# 2005-10-29  swix@users.sourceforge.net:
+# - some fixes & improvements
 #
 
-
 use strict;
 my $source_url = "http://www.phpmyadmin.net/latest.txt";
 
@@ -19,16 +20,26 @@ my $source_url = "http://www.phpmyadmin.net/latest.txt";
 # usage
 #
 
-if (!$ARGV[0]) { 
+if (!$ARGV[0] || (($ARGV[0] eq "--force") && !$ARGV[1])) { 
 	print "\n";
-	print "usage: $0 <target_directory>\n\n";
+	print "usage: $0 [--force] <target_directory>\n\n";
 	print "  The location specified by <target_directory> will be backed up and replaced\n";
 	print "  by the latest stable version of phpMyAdmin.\n";
 	print "  Your config.inc.php file will be preserved.\n\n";
 	exit(0);
 }
 
-my $targetdirectory = $ARGV[0];
+my $forced;
+my $targetdirectory;
+
+if ($ARGV[0] eq "--force") { 
+	$forced = 1;
+	$targetdirectory = $ARGV[1]; 
+} else {
+	$forced = 0;
+	$targetdirectory = $ARGV[0];  
+}
+
 if ($targetdirectory =~ /^(.*)\/$/) {
 	# remove trailing slash, if any
 	$targetdirectory = $1;
@@ -54,6 +65,8 @@ my $filename;
 my $directory;
 my $releasedate;
 my @urls;
+my @today;
+my $installedversion;
 
 if (open(LATEST, "wget -o /dev/null -O - $source_url|")) {
 
@@ -75,7 +88,7 @@ if (open(LATEST, "wget -o /dev/null -O - $source_url|")) {
 
 } else {
 
-	print "error: open failed.\n";
+	print "error: open of $source_url failed.\n";
 	exit(0);
 
 }
@@ -92,28 +105,63 @@ if (-d $directory) {
 
 if (open(DEFINES, $targetdirectory .'/libraries/defines.lib.php')) {
 	my $versionStatus = 0;
+	$installedversion = "unknownversion";
+
 	while(my $line = <DEFINES>) {
 
 		next unless $line =~ /'PMA_VERSION',\ '(.*)?'\);$/;
+		$installedversion = $1;
 
-		if ($1 gt $version) {
-			print "Local version newer than latest stable release, not updating.\n";
+		# take care of "pl", "rc" and "dev": dev < rc < pl
+
+		my $converted_installedversion = $installedversion;
+		$converted_installedversion =~ s/dev/aaa/g;
+		$converted_installedversion =~ s/rc/bbb/g;
+		$converted_installedversion =~ s/pl/ccc/g;
+
+		my $converted_version = $version;
+		$converted_version =~ s/dev/aaa/g;
+		$converted_version =~ s/rc/bbb/g;
+		$converted_version =~ s/pl/ccc/g;
+
+		if ($converted_installedversion gt $converted_version && !$forced) {
+			print "Local version ($installedversion) newer than latest stable release ($version), not updating.  (use \"--force\")\n";
 			exit(0);
 			
-		} elsif ($1 eq $version) {
-			print "Local version already up to date, not updating\n";
+		} elsif ($installedversion eq $version && !$forced) {
+			print "Local version ($version) already up to date, not updating  (you can use \"--force\")\n";
 			exit(0);
 			
 		} else {
 			$versionStatus = 1;
 		}
 	}
-	if (!$versionStatus) {
-		print "Old version could not be identified, not updating\n";
+	if (!$versionStatus && !$forced) {
+		print "Old version could not be identified, not updating  (use \"--force\" if you are sure) \n";
 		exit(0);
 	}
 }
 
+# 
+# ask for confirmation
+# 
+
+print "\n";
+print "phpMyAdmin upgrade summary:\n";
+print "---------------------------\n";
+print "     phpMyAdmin Path: $targetdirectory\n";
+print "   Installed version: $installedversion\n";
+print "    Upgraded version: $version\n\n";
+print "Proceed with upgrade?  [Y/n] ";
+my $kbdinput = <STDIN>; chomp($kbdinput);
+if (lc(substr($kbdinput,0,1)) ne "y" && length($kbdinput) >= 1) {
+	print "Aborting.\n";
+	exit(0);
+} else {
+	print "Proceeding...\n\n";
+}
+
+
 #
 # get file
 #
@@ -154,18 +202,22 @@ if (!$directory) {
 	exit(0);
 }
 
-my $backupdir = $targetdirectory . "-" . time;
+@today = localtime(time); $today[4]++; $today[5]+=1900;
+my $timestamp = sprintf("%04d%02d%02d%02d%02d", $today[5], $today[4], $today[3], $today[2], $today[1]);
+
+my $backupdir = $targetdirectory . "-" . $timestamp . "-" . $installedversion;
 print "- backup directory: $backupdir\n";
 
 system("cp $directory/config.inc.php $directory/config.inc-dist.php");
-print "- original config.inc.php renamed to config.inc-dist.php\n";
+print "- original distribution config.inc.php renamed to config.inc-dist.php\n";
 
 system("cp $targetdirectory/config.inc.php $directory/config.inc.php");
+print "- previous config.inc.php copied to the new setup\n";
+
 system("mv $targetdirectory $backupdir");
 system("mv $directory $targetdirectory");
-
+system("rm $filename");
 
 print "\ndone!  phpMyAdmin $version installed in $targetdirectory\n";
 print "backup of your old installation in $backupdir\n";
-print "downloaded archive saved as $filename\n\n";
 print "Enjoy! :-)\n\n";