From ba785a886ccbfb71d6ad84d0c615479939a0c62f Mon Sep 17 00:00:00 2001
From: Frank Lichtenheld <frank@lichtenheld.de>
Date: Thu, 6 Dec 2007 00:13:01 +0100
Subject: [PATCH] parse-contents: Code clean-up

use English
use Packages::CommonCode
whitespace clean-up and some other style fixes
---
 bin/parse-contents | 59 +++++++++++++++++++++++++---------------------
 1 file changed, 32 insertions(+), 27 deletions(-)

diff --git a/bin/parse-contents b/bin/parse-contents
index ef5c09c..c254375 100755
--- a/bin/parse-contents
+++ b/bin/parse-contents
@@ -34,9 +34,11 @@ my $what = $ARGV[0] ? "head -10000|" : "";
 # temporary files, and is adviced when possible
 my $SORT_REVERSE_CONCURRENTLY = 1;
 
+use English;
 use DB_File;
 use Storable;
 use File::Path;
+use Packages::CommonCode qw(:all);
 use Packages::Config qw( $TOPDIR $DBDIR @ARCHIVES @SUITES @ARCHITECTURES );
 &Packages::Config::init( './' );
 
@@ -45,7 +47,7 @@ my @suites = @SUITES;
 my @archs = @ARCHITECTURES;
 
 $DBDIR .= "/contents";
--d $DBDIR || mkpath( $DBDIR );
+mkdirp( $DBDIR );
 
 for my $suite (@suites) {
     for my $arch (@archs) {
@@ -55,15 +57,15 @@ for my $suite (@suites) {
 	my %packages_contents = ();
 	my %packages_contents_nr = ();
 	my %packages_contents_lastword = ();
-	
+
 	my $extra = "";
 	$extra = "|sort" if $SORT_REVERSE_CONCURRENTLY;
-	
+
 	open REVERSED, "$extra>$DBDIR/reverse.tmp"
 	    or die "Failed to open output reverse file: $!";
 
 	my $changed = 0;
-	for my $archive (@archives) { 
+	for my $archive (@archives) {
 
 	    my $filename = "$TOPDIR/archive/$archive/$suite/Contents-$arch.gz";
 	    next unless -f $filename;
@@ -74,12 +76,12 @@ for my $suite (@suites) {
 	    $changed++;
 	}
 	if ($changed) {
-	    for my $archive (@archives) { 
+	    for my $archive (@archives) {
 
 		my $filename = "$TOPDIR/archive/$archive/$suite/Contents-$arch.gz";
 		next unless -f $filename;
 		print "Reading $archive/$suite/$arch...\n";
-		
+
 		open CONT, "zcat $filename|$what"
 		    or die $!;
 		while (<CONT>) { last if /^FILE/mo; }
@@ -91,11 +93,12 @@ for my $suite (@suites) {
 		    my $data = "";
 		    my %data = ();
 		    chomp;
-		    print "Doing line ".($./1000)."k (out of approx 2.0M)\n" if $. % 250000 == 0;
+		    print "Doing line ".($NR/1000)."k (out of approx 2.0M)\n"
+			if $NR % 250000 == 0;
 		    /^(.+?)\s+(\S+)$/o;
 		    my ($file, $value) = ($1, $2);
 		    $value =~ s#[^,/]+/##og;
-		    my @packages = split /,/, $value;
+		    my @packages = split m/,/, $value;
 		    for (@packages) {
 			$packages_contents_nr{$_}++;
 			my $lw = $packages_contents_lastword{$_} || "\0";
@@ -114,15 +117,16 @@ for my $suite (@suites) {
 			(join ":$arch\0", @packages).":$arch\n";
 		}
 		close CONT;
-		
+
 	    }
 	    close REVERSED;
-	    
+
 	    print "Sorting reverse list if needed\n";
-	    system("cd $DBDIR && sort reverse.tmp > reverse.sorted && mv reverse.{sorted,tmp}") == 0
-		or die "Failed to sort reverse"
-		unless $SORT_REVERSE_CONCURRENTLY;
-	    
+	    system("cd $DBDIR && sort reverse.tmp > reverse.sorted &&".
+		   " mv reverse.{sorted,tmp}") == 0
+		   or die "Failed to sort reverse"
+		   unless $SORT_REVERSE_CONCURRENTLY;
+
 	    print "Writing filelist db\n";
 	    tie my %packages_contents_db, "DB_File", "$filelist_db.new",
 	    O_RDWR|O_CREAT, 0666, $DB_BTREE
@@ -132,15 +136,16 @@ for my $suite (@suites) {
 		    . $v;
 	    }
 	    untie %packages_contents_db;
-	
+
 	    rename("$DBDIR/reverse.tmp", "$DBDIR/reverse_${suite}_${arch}.txt");
-	
-	    rename("$filelist_db.new", $filelist_db);
-	    system("ln", "-sf", $filelist_db, "$DBDIR/filelists_${suite}_all.db") == 0
-		or die "Oops";
+
+	    activate($filelist_db);
+	    system("ln", "-sf", $filelist_db,
+		   "$DBDIR/filelists_${suite}_all.db") == 0
+		       or die "Oops";
 	}
     }
-			  
+
     my $go = 0;
     my $suite_mtime = (stat "$DBDIR/reverse_$suite.db")[9];
     for my $file (glob "$DBDIR/reverse_${suite}_*.txt") {
@@ -156,16 +161,16 @@ for my $suite (@suites) {
     open FILENAMES, ">", "$DBDIR/filenames_$suite.txt.new"
 	or die "Failed to open filenames list";
     tie my %reverse_path_db, "DB_File", "$DBDIR/reverse_${suite}.db.new",
-    O_RDWR|O_CREAT, 0666, $DB_BTREE
+	O_RDWR|O_CREAT, 0666, $DB_BTREE
 	or die "Error creating DB: $!";
 
     my $lastpath = my $lastcasepath = my $lastfile = "";
     my %matches = ();
     while (<MERGED>) {
-	print "Doing line ".($./1000000)."M (out of approx. 20M)\n"
-	    if $. % 1000000 == 0;
+	print "Doing line ".($NR/1000000)."M (out of approx. 20M)\n"
+	    if $NR % 1000000 == 0;
 	chomp;
-	my @line = split /\0/o, $_;
+	my @line = split m/\0/o, $_;
 	my $revpath = shift @line;
 	my $casepath = shift @line;
 	if ($revpath ne $lastpath) {
@@ -206,9 +211,9 @@ for my $suite (@suites) {
     untie %reverse_path_db;
     close FILENAMES;
     close MERGED;
-    
-    rename "$DBDIR/filenames_$suite.txt.new", "$DBDIR/filenames_$suite.txt";
-    rename "$DBDIR/reverse_$suite.db.new", "$DBDIR/reverse_$suite.db";
+
+    activate("$DBDIR/filenames_$suite.txt");
+    activate("$DBDIR/reverse_$suite.db");
 }
 
 # vim: set ts=4
-- 
2.39.2