#!/usr/bin/perl
#
# Make a fetchmail release.  Must be run as root, to make RPMs.
# Dumps a release notice and diffs as a MIME multipart message 
# in RELEASE_NOTES
#
$version=`grep VERS= Makefile.in`;
$version =~ /VERS=(.*)/;
$version = $1;
$rcsid = $version;
$rcsid =~ tr/./-/;

open(ID, "rlog -h NEWS|");
while (<ID>) {
    last if /^symbolic names/;
}
while (<ID>) {
    if (/^\t(.*):/) {
	push(@versions, $1);
    }
}
close(ID);

if ($versions[0] eq $rcsid) {
    $rcsid = $versions[0];
    $oldid = $versions[1];
} else {
    $rcsid = '<workfile>';
    $oldid = $versions[0];
}

#$ENV{'PATH'} = "~esr/bin:/bin:/usr/bin";

print "Building $version release, RCS ID $rcsid, previous RCS ID $oldid\n";

print "Test-building the software...\n";
if (system("su -c 'make >/dev/null' esr")) {
	die("Compilation failure\n");
}

print "Building the distribution...\n";
if (system("su -c 'make dist >/dev/null' esr")) {
	die("Distribution-build failure\n");
}

print "Building the RPMs...\n";
if (system("make rpm >/dev/null 2>/dev/null && chown esr *.rpm")) {
	die("RPM-build failure\n");
}

open(REPORT, ">PREAMBLE.$$");

print REPORT <<EOF;
The $version release of fetchmail is now available at the usual locations,
including http://www.ccil.org/~esr/fetchmail.  Here are the release notes:

EOF

# Extract the current notes
open(NEWS, "NEWS");
while (<NEWS>) {
    if (/^fetchmail/) {
	print REPORT $_;
	last;
    }
}
while (<NEWS>) {
    if (/^fetchmail/) {
	last;
    }
    print REPORT $_;
}

$oldrcs = $oldid;
$oldrcs =~ tr/-/./;
print REPORT <<EOF;

By popular demand, diffs from the previous release have been omitted.
EOF
#Diffs from the previous ($oldrcs) release follow as a MIME attachment.

close(NEWS);

close(REPORT);

if ($rcsid eq '<workfile>') {
    system("rcsdiff -u -r$oldid          RCS/* 2>/dev/null >DIFFS.$$");
} else {
    system("rcsdiff -u -r$oldid -r$rcsid RCS/* 2>/dev/null >DIFFS.$$");
}

rename("PREAMBLE.$$", "RELEASE.NOTES");
system("chown esr RELEASE.NOTES");
# If we ever want to go back to enclosing diffs.
#system "metasend -b -D 'fetchmail-$rcsid announcement' -m 'text/plain' -e 7bit -f PREAMBLE.$$ -n -D 'diff -u between -$oldrcs $rcsid' -m 'text/plain' -e 7bit -f DIFFS.$$ -o RELEASE_NOTES";

unlink("PREAMBLE.$$");
unlink("DIFFS.$$");

# makerelease ends here