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#!/usr/bin/perl |
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|
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# ----------------------------------------------------------------------------- |
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# |
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# perl-info |
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# |
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# date : 2006-09-02 |
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# author : Christian Hartmann <ian@gentoo.org> |
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# version : 0.10 |
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# license : GPL-2 |
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# description : 'emerge --info' for perl |
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# |
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# header : $Header: $ |
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# |
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# ----------------------------------------------------------------------------- |
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# |
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# This program is free software; you can redistribute it and/or modify it under |
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# the terms of the GNU General Public License as published by the Free Software |
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# Foundation; either version 2 of the License, or (at your option) any later |
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# version. |
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# |
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# ----------------------------------------------------------------------------- |
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|
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# - modules > |
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use warnings; |
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use strict; |
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use DirHandle; |
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use Term::ANSIColor; |
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|
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# - init vars & contants > |
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my $VERSION = "0.10"; |
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my $portdir = getPortdir(); |
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my @scan_portage_categories = ("dev-perl","perl-core"); |
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my $pkgdbdir = "/var/db/pkg/"; |
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my %excludeDirs = ("." => 1, ".." => 1, "metadata" => 1, "licenses" => 1, "eclass" => 1, "distfiles" => 1, "virtual" => 1, "profiles" => 1 , "CVS" => 1); |
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|
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# - init colors > |
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my $yellow = color("yellow bold"); |
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my $green = color("bold green"); |
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my $white = color("bold white"); |
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my $cyan = color("bold cyan"); |
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my $red = color("bold red"); |
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my $reset = color("reset"); |
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|
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# - Print header > |
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printHeader(); |
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|
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# - Do some basic checks > |
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if (!-d $portdir) |
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{ |
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print $red." *".$reset." PORTDIR not set or incorrect! Aborting..\n"; |
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exit(0); |
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} |
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|
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if (!-d $pkgdbdir) |
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{ |
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print $red." *".$reset." /var/db/pkg inaccessible? Aborting..\n"; |
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exit(0); |
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} |
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|
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# - Start system analysis > |
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print $green." *".$reset." Perl : ".(searchInstalled($pkgdbdir,"dev-lang/perl"))[0]." USE=\"".join(" ",getUseSettingsOfPackage("dev-lang/perl"))."\"\n"; |
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print $green." *".$reset." libperl: ".(searchInstalled($pkgdbdir,"sys-devel/libperl"))[0]." USE=\"".join(" ",getUseSettingsOfPackage("sys-devel/libperl"))."\"\n"; |
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print "\n"; |
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|
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print $green." *".$reset." INC:\n"; |
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foreach (@INC) |
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{ |
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print " ".$_."\n"; |
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} |
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print "\n"; |
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|
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foreach my $this_category (@scan_portage_categories) |
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{ |
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my $category_str_length = length($this_category)+1; |
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print $green." *".$reset." Installed packages from category ".$this_category.":\n"; |
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foreach(searchInstalled($pkgdbdir,$this_category."/*")) |
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{ |
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print " ".substr($_,$category_str_length,length($_)-$category_str_length)." USE=\"".join(" ",getUseSettingsOfPackage($_))."\"\n"; |
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} |
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print "\n"; |
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} |
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|
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print $green." *".$reset." eclasses:\n"; |
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foreach my $eclassName ("perl-app","perl-module","perl-post") |
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{ |
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my $eclass = getFileContents($portdir."/eclass/".$eclassName.".eclass"); |
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$eclass =~ s/\$Header: ([a-zA-Z0-9\/\.,-]+) ([0-9\.]+)/$2/g; |
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print " ".$eclassName.": ".$2."\n"; |
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} |
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print "\n"; |
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exit(0); |
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|
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# ----------------------------------------------------------------------------- |
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# subs > |
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# ----------------------------------------------------------------------------- |
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|
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# Description: |
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# Returns an array containing all packages that match $searchString |
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# @packages = searchInstalled($pkgdbdir,$searchString); |
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sub searchInstalled |
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{ |
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my $pkgdbdir = shift; |
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my $searchString = shift; if (! $searchString) { $searchString=""; } |
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|
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my $int_c = 0; |
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my $dhc; |
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my $dhp; |
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my $tc; |
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my $tp; |
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my @matches = (); |
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|
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my $s_cat = ""; |
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my $s_pak = ""; |
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my $m_cat = 0; |
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|
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# - escape special chars > |
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$searchString =~ s/\+/\\\+/g; |
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|
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# - split > |
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if ($searchString=~m/\//) |
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{ |
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($s_cat,$s_pak)=split(/\//,$searchString); |
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} |
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else |
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{ |
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$s_pak=$searchString; |
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} |
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|
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$s_cat=~s/\*//g; |
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$s_pak=~s/\*//g; |
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|
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# - read categories > |
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$dhc = new DirHandle($pkgdbdir); |
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if (defined $dhc) |
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{ |
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while (defined($tc = $dhc->read)) |
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{ |
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$m_cat=0; |
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if ($s_cat ne "") |
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{ |
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if ($tc=~m/$s_cat/i) |
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{ |
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$m_cat=1; |
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} |
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else |
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{ |
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next; |
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} |
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} |
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|
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# - not excluded and $_ is a dir? |
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if (! $excludeDirs{$tc} && -d $pkgdbdir."/".$tc) |
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{ |
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$dhp = new DirHandle($pkgdbdir."/".$tc); |
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while (defined($tp = $dhp->read)) |
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{ |
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# - check if packagename matches |
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# (faster if we already check it now) > |
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if ($tp =~m/$s_pak/i || $s_pak eq "") |
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{ |
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# - not excluded and $_ is a dir? |
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if (! $excludeDirs{$tp} && -d $pkgdbdir."/".$tc."/".$tp) |
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{ |
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if (($s_cat ne "") && ($m_cat)) |
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{ |
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push(@matches,$tc."/".$tp); |
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} |
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elsif ($s_cat eq "") |
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{ |
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push(@matches,$tc."/".$tp); |
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} |
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} |
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} |
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|
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} |
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undef $dhp; |
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} |
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} |
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} |
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undef $dhc; |
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|
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return (sort @matches); |
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} |
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|
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# Description: |
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# Returns the value of $param. Expects filecontents in $file. |
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# $valueOfKey = getParamFromFile($filecontents,$key); |
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# e.g. |
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# $valueOfKey = getParamFromFile(getFileContents("/path/to.ebuild","IUSE","firstseen"); |
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sub getParamFromFile |
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{ |
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my $file = shift; |
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my $param = shift; |
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my $mode = shift; # ("firstseen","lastseen") - default is "lastseen" |
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my $c = 0; |
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my $d = 0; |
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my @lines = (); |
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my @aTmp = (); # temp (a)rray |
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my $sTmp = ""; # temp (s)calar |
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my $text = ""; # complete text/file after being cleaned up and striped |
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my $value = ""; # value of $param |
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my $this = ""; |
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|
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# - 1. split file in lines > |
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@lines = split(/\n/,$file); |
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|
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# - 2 & 3 > |
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for($c=0;$c<=$#lines;$c++) |
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{ |
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# - 2. remove leading and trailing whitespaces and tabs from every line > |
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$lines[$c]=~s/^[ |\t]+//; # leading whitespaces and tabs |
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$lines[$c]=~s/[ |\t]+$//; # trailing whitespaces and tabs |
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|
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# - 3. remove comments > |
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$lines[$c]=~s/#(.*)//g; |
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|
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if ($lines[$c]=~/^$param="(.*)"/) |
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{ |
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# single-line with quotationmarks > |
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$value=$1; |
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|
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if ($mode eq "firstseen") |
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{ |
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# - 6. clean up value > |
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$value=~s/^[ |\t]+//; # remove leading whitespaces and tabs |
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$value=~s/[ |\t]+$//; # remove trailing whitespaces and tabs |
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$value=~s/\t/ /g; # replace tabs with whitespaces |
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$value=~s/ {2,}/ /g; # replace 1+ whitespaces with 1 whitespace |
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return $value; |
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} |
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} |
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elsif ($lines[$c]=~/^$param="(.*)/) |
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{ |
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# multi-line with quotationmarks > |
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$value=$1." "; |
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for($d=$c+1;$d<=$#lines;$d++) |
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{ |
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# - look for quotationmark > |
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if ($lines[$d]=~/(.*)"/) |
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{ |
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# - found quotationmark; append contents and leave loop > |
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$value.=$1; |
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last; |
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} |
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else |
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{ |
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# - no quotationmark found; append line contents to $value > |
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$value.=$lines[$d]." "; |
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} |
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} |
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|
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if ($mode eq "firstseen") |
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{ |
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# - 6. clean up value > |
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$value=~s/^[ |\t]+//; # remove leading whitespaces and tabs |
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$value=~s/[ |\t]+$//; # remove trailing whitespaces and tabs |
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$value=~s/\t/ /g; # replace tabs with whitespaces |
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$value=~s/ {2,}/ /g; # replace 1+ whitespaces with 1 whitespace |
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return $value; |
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} |
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} |
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elsif ($lines[$c]=~/^$param=(.*)/) |
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{ |
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# - single-line without quotationmarks > |
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$value=$1; |
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|
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if ($mode eq "firstseen") |
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{ |
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# - 6. clean up value > |
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$value=~s/^[ |\t]+//; # remove leading whitespaces and tabs |
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$value=~s/[ |\t]+$//; # remove trailing whitespaces and tabs |
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$value=~s/\t/ /g; # replace tabs with whitespaces |
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$value=~s/ {2,}/ /g; # replace 1+ whitespaces with 1 whitespace |
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return $value; |
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} |
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} |
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} |
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|
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# - 6. clean up value > |
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$value=~s/^[ |\t]+//; # remove leading whitespaces and tabs |
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$value=~s/[ |\t]+$//; # remove trailing whitespaces and tabs |
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$value=~s/\t/ /g; # replace tabs with whitespaces |
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$value=~s/ {2,}/ /g; # replace 1+ whitespaces with 1 whitespace |
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|
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return $value; |
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} |
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|
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# Description: |
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# Returnvalue is the content of the given file. |
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# $filecontent = getFileContents($file); |
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sub getFileContents |
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{ |
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my $content = ""; |
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|
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open(FH,"<".$_[0]) || die("Cannot open file ".$_[0]); |
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while(<FH>) { $content.=$_; } |
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close(FH); |
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return $content; |
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} |
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|
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# Description: |
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# @listOfEbuilds = getAvailableEbuilds($PORTDIR, category/packagename); |
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sub getAvailableEbuilds |
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{ |
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my $PORTDIR = shift; |
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my $catPackage = shift; |
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my @packagelist = (); |
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|
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if (-e $PORTDIR."/".$catPackage) |
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{ |
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# - get list of ebuilds > |
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my $dh = new DirHandle($PORTDIR."/".$catPackage); |
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while (defined($_ = $dh->read)) |
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{ |
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if ($_ =~ m/(.+)\.ebuild$/) |
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{ |
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push(@packagelist,$_); |
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} |
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} |
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} |
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|
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return @packagelist; |
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} |
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|
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# Description: |
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# Returns version of an ebuild. (Without -rX string etc.) |
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# $version = getEbuildVersionSpecial("foo-1.23-r1.ebuild"); |
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sub getEbuildVersionSpecial |
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{ |
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my $ebuildVersion = shift; |
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$ebuildVersion=substr($ebuildVersion,0,length($ebuildVersion)-7); |
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$ebuildVersion =~ s/^([a-zA-Z0-9\-_\/\+]*)-([0-9\.]+[a-zA-Z]?)([\-r|\-rc|_alpha|_beta|_pre|_p]?)/$2$3/; |
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|
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return $ebuildVersion; |
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} |
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|
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sub getPortdir |
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{ |
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return getParamFromFile(getFileContents("/etc/make.globals").getFileContents("/etc/make.conf"),"PORTDIR","lastseen"); |
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} |
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|
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sub printHeader |
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{ |
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print "\n"; |
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print $green." perl-info".$reset." version ".$VERSION." - brought to you by the Gentoo perl-herd-maintainer ;-)\n"; |
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print " Distributed under the terms of the GPL-2\n"; |
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print "\n"; |
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} |
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|
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# Description: |
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# Returns useflag settings of the given (installed) package. |
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# @useflags = getUseSettingsOfPackage("dev-perl/perl-5.8.8-r3"); |
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sub getUseSettingsOfPackage |
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{ |
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my $package = shift; |
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my $packagepath = (searchInstalled($pkgdbdir,$package))[0]; |
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my $tmp_filecontents = ""; |
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my @package_IUSE = (); |
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my @package_USE = (); |
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my @USEs = (); |
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|
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$tmp_filecontents=getFileContents($pkgdbdir."/".$packagepath."/IUSE"); |
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$tmp_filecontents=~s/\n//g; |
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@package_IUSE = split(/ /,$tmp_filecontents); |
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$tmp_filecontents=getFileContents($pkgdbdir."/".$packagepath."/USE"); |
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$tmp_filecontents=~s/\n//g; |
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@package_USE = split(/ /,$tmp_filecontents); |
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|
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|
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foreach my $thisIUSE (@package_IUSE) |
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{ |
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my $hasuse = "-"; |
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foreach my $thisUSE (@package_USE) |
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{ |
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if ($thisIUSE eq $thisUSE) |
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{ |
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$hasuse=""; |
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last; |
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} |
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} |
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push(@USEs,$hasuse.$thisIUSE); |
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} |
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|
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return @USEs; |
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} |
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|
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# - Here comes the POD > |
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|
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=head1 NAME |
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|
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perl-info - gather systems perl info |
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|
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=head1 VERSION |
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|
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This document refers to version 0.10 of perl-info |
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|
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=head1 SYNOPSIS |
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|
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perl-info |
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|
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=head1 DESCRIPTION |
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|
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perl-info shall help developers getting sufficient information about the |
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users perl installation when needed. |
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|
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=head1 AGRUMENTS |
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|
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perl-info does not have any arguments yet. |
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|
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=head1 AUTHOR |
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|
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Christian Hartmann <ian@gentoo.org> |
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|
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=head1 TODO |
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|
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Put your stuff here and poke me. |
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|
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=head1 REPORTING BUGS |
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|
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Please report bugs via http://bugs.gentoo.org/ or https://bugs.gentoo.org/ |
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|
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=head1 LICENSE |
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|
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perl-info - gather systems perl info |
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Copyright (C) 2006 Christian Hartmann |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
| 430 |
the Free Software Foundation; either version 2 of the License, or |
| 431 |
(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 435 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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|
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=cut |
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