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Up to [LON-CAPA] / loncom / build

minor change to fix the incorrect targetting of symbolic links -Scott

#!/usr/bin/perl

# Scott Harrison, September 30
# Automatically generate RPM listing files
# from file listing.

# GNU General Public License, Version 2, June 1991
# See http://www.gnu.org/copyleft/gpl.html.

# This script does actually "build" the RPM.

# This script also generates and then deletes temporary
# files (and binary root directory tree) to build an RPM with.

# I still need to implement the CONFIGURATION_FILES and
# DOCUMENTATION_FILES portion of the command line interface to this
# script.

# Take in a file list (from standard input), 
# a description tag and version tag from command line argument
# and temporarily generate a:
#      RPM .spec file
#      RPM Makefile
#      SourceRoot

# A resulting .rpm file is generated.

unless (-e "/usr/lib/rpm/rpmrc") {
    print <<END;
ERROR: This script only works with a properly installed RPM builder application.  
Cannot find /usr/lib/rpm/rpmrc, so cannot generate customized rpmrc file.
Script aborting.
END
}

my ($tag,$version,$configuration_files,$documentation_files,$pathprefix)=@ARGV;
@ARGV=();

if (!$version) {
    print "Usage: <TAG> <VERSION> [CONFIGURATION_FILES] [DOCUMENTATION] [PATHPREFIX]\n";
    print "Standard input provides the list of files to work with.\n";
    print "TAG, required descriptive tag.  For example, a kerberos software package might be tagged as \"krb4\".\n";
    print "VERSION, required version.  Needed to generate version information for the RPM.  This should be in the format N.M where N and M are integers.\n";
    print "CONFIGURATION_FILES, optional comma-separated listing of files to be treated as configuration files by RPM (and thus subject to saving during RPM upgrades).\n";
    print "DOCUMENTATION, optional comma-separated listing of files to be treated as documentation files by RPM (and thus subject to being placed in the /usr/doc/RPM-NAME directory during RPM installation).\n";
    print "PATHPREFIX, optional path to be removed from file listing.  This is in case you are building an RPM from files elsewhere than root-level.  Note, this still depends on a root directory hierarchy after PATHPREFIX.\n";
    exit;
}

mkdir $tag,0755;
mkdir "$tag/BuildRoot",0755;
mkdir "$tag/SOURCES",0755;
mkdir "$tag/SOURCES/LON-CAPA-$tag-$version",0755;
mkdir "$tag/SPECS",0755;
mkdir "$tag/BUILD",0755;
mkdir "$tag/SRPMS",0755;
mkdir "$tag/RPMS",0755;
mkdir "$tag/RPMS/i386",0755;

my $file;
my $binaryroot="$tag/BinaryRoot";
my ($type,$size,$octalmode,$user,$group);

$currentdir=`pwd`; chop $currentdir; $invokingdir=$currentdir; $currentdir.="/$tag";

open (IN,"</usr/lib/rpm/rpmrc") or die("Can't open /usr/lib/rpm/rpmrc");
@lines=<IN>;
close IN;

open (RPMRC,">$tag/SPECS/rpmrc");
foreach $line (@lines) {
    if ($line=~/^macrofiles/) {
	chop $line;
	$line.=":./rpmmacros\n";
    }
    print RPMRC $line;
}
close RPMRC;

open (RPMMACROS,">$tag/SPECS/rpmmacros");
print RPMMACROS <<END;
\%_topdir $currentdir
\%__spec_install_post    \\
    /usr/lib/rpm/brp-strip \\
    /usr/lib/rpm/brp-strip-comment-note \\
\%{nil}
END
close RPMMACROS;

open (SPEC,">$tag/SPECS/LON-CAPA-$tag-$version.spec");

print SPEC <<END;
Summary: Files for the $tag component of LON-CAPA.
Name: LON-CAPA-$tag
Version: $version
Release: 1
Vendor: Laboratory for Instructional Technology Education, Division of Science and Mathematics Education, Michigan State University.
BuildRoot: $currentdir/BuildRoot
Copyright: GNU General Public License. Version 2, June 1991.  Michigan State University patents may apply.
Group: Utilities/System
Source: LON-CAPA-$tag-$version.tar.gz
AutoReqProv: no
# requires: filesystem
\%description
This package is automatically generated by the make_rpm.pl perl
script (written by the LON-CAPA development team, www.lon-capa.org,
Scott Harrison). This implements the $tag component for LON-CAPA.
For more on the LON-CAPA project, visit http://www.lon-capa.org/.

\%prep
\%setup

\%build
rm -Rf "$currentdir/BuildRoot"

\%install
make ROOT="\$RPM_BUILD_ROOT" SOURCE="$currentdir/BinaryRoot" directories
make ROOT="\$RPM_BUILD_ROOT" SOURCE="$currentdir/BinaryRoot" files
make ROOT="\$RPM_BUILD_ROOT" SOURCE="$currentdir/BinaryRoot" links

\%pre
echo "***********************************************************************"
echo "LON-CAPA  LearningOnline with CAPA"
echo "http://www.lon-capa.org/"
echo "Gerd Kortemeyer, et al"
echo "Laboratory for Instructional Technology Education"
echo "Michigan State University"
echo "General Public License, Version 2, June 1991"
echo "** Michigan State University patents may apply **"
echo " "
echo "This installation assumes an installation of Redhat 6.2"
echo " "
echo "The server computer should be currently connected to the ethernet"
echo " "
echo "The files in this package are only those for the $tag component."
echo "Configuration files are sometimes part of the LON-CAPA-base RPM."
echo "***********************************************************************"

\%post
\%postun

\%files
END

foreach $file (<>) {
    chop $file;
    my $comment="";
    if ($file=~/\s+\#(.*)$/) {
	$file=~s/\s+\#(.*)$//;
	$comment=$1;
    }
    my $config="";
    if ($comment=~/config/i) {
	$config="\%config ";
    }
    if (($type,$size,$octalmode,$user,$group)=find_info($file)) {
	$octalmode="0" . $octalmode if length($octalmode)<4;
	if ($pathprefix) {
	    $file=~s/^$pathprefix//;
	}
	if ($type eq "files") {
	    push @{$BinaryRootMakefile{$type}},"\tinstall -D -m $octalmode $pathprefix$file $binaryroot$file\n";
	    push @{$Makefile{$type}},"\tinstall -D -m $octalmode \$(SOURCE)$file \$(ROOT)$file\n";
	    push @{$dotspecfile{$type}},"$config\%attr($octalmode,$user,$group) $file\n";
	}
	elsif ($type eq "directories") {
	    push @{$BinaryRootMakefile{$type}},"\tinstall -m $octalmode -d $binaryroot$file\n";
	    push @{$Makefile{$type}},"\tinstall -m $octalmode -d \$(SOURCE)$file \$(ROOT)$file\n";
	    push @{$dotspecfile{$type}},"\%dir \%attr($octalmode,$user,$group) $file\n";
	}
	elsif ($type eq "links") {
	    my $link=$size; # I use the size variable to pass the link value from the subroutine find_info
	    $link=~s/^$pathprefix//;
	    push @{$BinaryRootMakefile{$type}},"\tln -s $link $binaryroot$file\n";
	    push @{$Makefile{$type}},"\tln -s $link \$(ROOT)$file\n";
	    push @{$dotspecfile{$type}},"\%attr(-,$user,$group) $file\n";
	}
    }
}

open OUT, ">$tag/SOURCES/LON-CAPA-$tag-$version/Makefile";
open OUT2, ">$tag/BinaryRootMakefile";
foreach $type ("directories","files","links") {
    print OUT "$type\:\n";
    print OUT join("",@{$Makefile{$type}});
    print OUT "\n";
    print OUT2 "$type\:\n";
    print OUT2 join("",@{$BinaryRootMakefile{$type}});
    print OUT2 "\n";
    print SPEC join("",@{$dotspecfile{$type}});
}
close OUT2;
close OUT;


close SPEC;

`make -f $tag/BinaryRootMakefile directories`;
`make -f $tag/BinaryRootMakefile files`;
`make -f $tag/BinaryRootMakefile links`;

print `cd $currentdir/SOURCES; tar czvf LON-CAPA-$tag-$version.tar.gz LON-CAPA-$tag-$version`;
print `cd $currentdir/SPECS; rpm --rcfile=./rpmrc -ba LON-CAPA-$tag-$version.spec; cd ../RPMS/i386; cp LON-CAPA-$tag-$version-1.i386.rpm $invokingdir/.`;
print `cd $invokingdir; rm -Rf $tag`;

sub find_info {
    # only look for
    my ($file)=@_;
    my $line;
    if (($line=`find $file -type f -prune`)=~/^$file\n/) {
	$line=`find $file -type f -prune -printf "\%s\t\%m\t\%u\t\%g"`;
	return ("files",split(/\t/,$line));
    }
    elsif (($line=`find $file -type d -prune`)=~/^$file\n/) {
	$line=`find $file -type d -prune -printf "\%s\t\%m\t\%u\t\%g"`;
	return ("directories",split(/\t/,$line));
    }
    elsif (($line=`find $file -type l -prune`)=~/^$file\n/) {
	$line=`find $file -type l -prune -printf "\%l\t\%m\t\%u\t\%g"`;
	return ("links",split(/\t/,$line));
    }

}