groupstats.pl: Precedence of -m / -p / -a

[usenet/newsstats.git] / install / install.pl

diff --git a/install/install.pl b/install/install.pl
index d45d911..b998280 100755 (executable)
--- a/install/install.pl
+++ b/install/install.pl
@@ -28,10 +28,11 @@ use DBI;
 ################################# Main program #################################
 
 ### read commandline options
-my %Options = &ReadOptions('');
+my %Options = &ReadOptions('u:');
 
 ### change working directory to .. (as we're in .../install)
 chdir dirname($0).'/..';
+my $Path = cwd();
 
 ### read configuration
 print("Reading configuration.\n");
@@ -82,35 +83,12 @@ CREATE TABLE IF NOT EXISTS `$Conf{'DBTableGrps'}` (
 ) ENGINE=MyISAM  DEFAULT CHARSET=utf8 COMMENT='Postings per newsgroup';
 GRPS
 
-##### --------------------------- End of definitions ---------------------------
-
-### create database tables
-print "-----\nStarting database table generation.\n";
-# DB init
-my $DBHandle = InitDB(\%Conf,1);
-
-# read tables
-my %TablesInDB = %{$DBHandle->table_info('%', '%', '%', 'TABLE')->fetchall_hashref('TABLE_NAME')};
-
-# check for tables and create them, if they don't exist yet
-foreach my $Table (keys %DBCreate) {
-  if (defined($TablesInDB{$Conf{$Table}})) {
-    printf("Database table %s.%s already exists, skipping ....\n",$Conf{'DBDatabase'},$Conf{$Table});
-    next;
-  };
-  my $DBQuery = $DBHandle->prepare($DBCreate{$Table});
-  $DBQuery->execute() or die sprintf("$MySelf: E: Can't create table %s in database %s: %s%\n",$Table,$Conf{'DBDatabase'},$DBI::errstr);
-  printf("Database table %s.%s created succesfully.\n",$Conf{'DBDatabase'},$Conf{$Table});
-};
-
-# close handle
-$DBHandle->disconnect;
-print "Database table generation done.\n";
+##### --------------------------------------------------------------------------
+##### Installation / upgrade instructions
+##### --------------------------------------------------------------------------
 
-### output information on other necessary steps
-my $Path = cwd();
-print <<TODO;
------
+my $Install = <<INSTALL;
+----------
 Things left to do:
 
 1) Setup an INN feed to feedlog.pl
@@ -118,8 +96,8 @@ Things left to do:
    a) Edit your 'newsfeeds' file and insert something like
 
           ## gather statistics for NewsStats
-          newsstats!\
-                  :!*,de.*\
+          newsstats!\\
+                  :!*,de.*\\
                   :Tc,WmtfbsPNH,Ac:$Path/feedlog.pl
 
       Please
@@ -149,7 +127,89 @@ Things left to do:
 Enjoy!
 
 -thh <thh\@inter.net>
-TODO
+INSTALL
+
+my $Upgrade = <<UPGRADE;
+----------
+Your installation was upgraded from $Options{'u'} to $PackageVersion.
+
+Don't forget to restart your INN feed so that it can pick up the new version:
+
+   # ctlinnd begin 'newsstats!'
+
+(or whatever you called your feed).
+UPGRADE
+
+##### --------------------------- End of definitions ---------------------------
+
+### DB init, read list of tables
+print "Reading database information.\n";
+my $DBHandle = InitDB(\%Conf,1);
+my %TablesInDB = %{$DBHandle->table_info('%', '%', '%', 'TABLE')->fetchall_hashref('TABLE_NAME')};
+
+if (!$Options{'u'}) {
+  ##### installation mode
+  print "----------\nStarting database table generation.\n";
+  # check for tables and create them, if they don't exist yet
+  foreach my $Table (keys %DBCreate) {
+    &CreateTable($Table);
+  };
+  print "Database table generation done.\n";
+ 
+  # Display install instructions
+  print $Install;
+} else {
+  ##### upgrade mode
+  print "----------\nStarting upgrade process.\n";
+  $PackageVersion = '0.03';
+  if ($Options{'u'} < $PackageVersion) {
+    if ($Options{'u'} < 0.02) {
+      # 0.01 -> 0.02
+      # &DoMySQL('...;');
+      # print "v0.02: Database upgrades ...\n";
+      # &PrintInstructions('0.02',<<"      INSTRUCTIONS");
+      # INSTRUCTIONS
+    };
+  };
+  # Display general upgrade instructions
+  print $Upgrade;
+};
+
+# close handle
+$DBHandle->disconnect;
+
+exit(0);
+
+################################# Subroutines ##################################
+
+sub CreateTable {
+  my $Table = shift;
+  if (defined($TablesInDB{$Conf{$Table}})) {
+    printf("Database table %s.%s already exists, skipping ....\n",$Conf{'DBDatabase'},$Conf{$Table});
+    return;
+  };
+  my $DBQuery = $DBHandle->prepare($DBCreate{$Table});
+  $DBQuery->execute() or die sprintf("$MySelf: E: Can't create table %s in database %s: %s%\n",$Table,$Conf{'DBDatabase'},$DBI::errstr);
+  printf("Database table %s.%s created succesfully.\n",$Conf{'DBDatabase'},$Conf{$Table});
+  return;
+};
+
+sub DoMySQL {
+  my $SQL = shift;
+  my $DBQuery = $DBHandle->prepare($SQL);
+  $DBQuery->execute() or warn sprintf("$MySelf: E: Database error: %s\n",$DBI::errstr);
+  return;
+};
+
+sub PrintInstructions {
+  my ($UpVersion,$Instructions) = @_;
+  print "v$UpVersion: Upgrade Instructions >>>>>\n";
+  my $Padding = ' ' x (length($UpVersion) + 3);
+    $Instructions =~ s/^      /$Padding/mg;
+    print $Instructions;
+    print "<" x (length($UpVersion) + 29) . "\n";
+};
+
 
 __END__