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authorFrancois Pons <fpons@mandriva.com>2000-03-13 18:28:03 +0000
committerFrancois Pons <fpons@mandriva.com>2000-03-13 18:28:03 +0000
commit9266168309a593e84c47cc59edb2a6ccd49e4686 (patch)
tree826858473eae15b943e73ba3980af2417378bf08 /tools/syncrpms
parentf39f307ded336dddb9a4767b1128b82471446412 (diff)
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+#!/usr/bin/perl
+
+#- Synchronize mulitple RPMS/SRPMS directories.
+#- Copyright (C) 1999 MandrakeSoft (fpons@mandrakesoft.com)
+#-
+#- This program is free software; you can redistribute it and/or modify
+#- it under the terms of the GNU General Public License as published by
+#- the Free Software Foundation; either version 2, or (at your option)
+#- any later version.
+#-
+#- This program is distributed in the hope that it will be useful,
+#- but WITHOUT ANY WARRANTY; without even the implied warranty of
+#- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+#- GNU General Public License for more details.
+#-
+#- You should have received a copy of the GNU General Public License
+#- along with this program; if not, write to the Free Software
+#- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+use strict qw(subs vars refs);
+
+#- get basename for a file.
+sub basename { $_[0] =~ /([^\/]*)$/ ? $1 : $_[0]; }
+
+#- compare a version string.
+sub version_compare {
+ my ($a, $b) = @_;
+ local $_;
+
+ while ($a && $b) {
+ my ($sb, $sa) = map { $1 if $a =~ /^\W*\d/ ? s/^\W*0*(\d+)// : s/^\W*(\D+)// } ($b, $a);
+ $_ = length($sa) cmp length($sb) || $sa cmp $sb and return $_;
+ }
+}
+
+#- system functions.
+sub cp {
+ my $pid;
+ if ($pid = fork()) {
+ waitpid($pid, 0);
+ } else {
+ exec '/bin/cp', @_;
+ }
+}
+sub rm {
+ my $pid;
+ if ($pid = fork()) {
+ waitpid($pid, 0);
+ } else {
+ exec '/bin/rm', '-f', @_;
+ }
+}
+
+#- get a hash on name of srpms/rpms in a directory.
+sub get_rpms {
+ my ($dir, $rpms, $flag) = @_;
+
+ opendir D, $dir or die "cannot open directory $dir\n";
+ map {
+ if (/([^\/]*?)-([^-]*)-([^-]*)\.([^-]*)(?:\.src)?\.rpm$/) {
+ if ($rpms->{$1}) {
+ if (version_compare($rpms->{$1}{version}, $2) > 0 ||
+ version_compare($rpms->{$1}{version}, $2) == 0 && version_compare($rpms->{$1}{release}, $3) > 0) {
+ if ($flag->{clean}) {
+ print "removing obseleted $rpms->{$1}{file} by $_ in $rpms->{$1}{dir}\n" if $flag->{verbose};
+ rm("$rpms->{$1}{dir}/$rpms->{$1}{file}");
+ }
+ $rpms->{$1} = { name => $1,
+ version => $2,
+ release => $3,
+ arch => $4,
+ dir => $dir,
+ file => $_,
+ };
+ } else {
+ if ($flag->{clean}) {
+ print "removing older or equal $_ by $rpms->{$1}{file} in $dir\n" if $flag->{verbose};
+ rm("$dir/$_");
+ }
+ }
+ } else {
+ $rpms->{$1} = { name => $1,
+ version => $2,
+ release => $3,
+ arch => $4,
+ dir => $dir,
+ file => $_,
+ };
+ }
+ } else {
+ print STDERR "unable to parse filename $_\n";
+ }
+ } grep { /\.rpm$/ } readdir D;
+ closedir D;
+}
+
+#- sync two hashes of rpms, update rpms and printer newer version that are not taken into account.
+sub sync_rpms {
+ my ($source, $target, $flag) = @_;
+
+ #- search in source part.
+ foreach (keys %$source) {
+ unless ($target->{$_}) {
+ if ($flag->{verbose}) {
+ print "adding $source->{$_}{file}" . (-d $flag->{add} ? " to $flag->{add}\n" : " is neccessary!\n");
+ }
+ if (-d $flag->{add}) {
+ cp("$source->{$_}{dir}/$source->{$_}{file}", $flag->{add});
+ }
+ }
+ }
+
+ #- search in both part.
+ foreach (keys %$source) {
+ if ($target->{$_}) {
+ if (version_compare($source->{$_}{version}, $target->{$_}{version}) > 0 ||
+ version_compare($source->{$_}{version}, $target->{$_}{version}) == 0 &&
+ version_compare($source->{$_}{release}, $target->{$_}{release}) > 0) {
+ if ($flag->{verbose}) {
+ print "updating $target->{$_}{dir}/$target->{$_}{file} with newer version $source->{$_}{file}\n";
+ }
+ if ($flag->{update}) {
+ cp("$source->{$_}{dir}/$source->{$_}{file}", $target->{$_}{dir});
+ unless (-e "$target->{$_}{dir}/$source->{$_}{file}") {
+ die "unable to copy $source->{$_}{file} from $source->{$_}{dir} into $target->{$_}{dir}\n";
+ }
+ rm("$target->{$_}{dir}/$target->{$_}{file}");
+ }
+ } elsif (version_compare($source->{$_}{version}, $target->{$_}{version}) != 0 ||
+ version_compare($source->{$_}{release}, $target->{$_}{release}) != 0) {
+ if ($flag->{verbose}) {
+ print STDERR "keeping more up-to-date version $target->{$_}{dir}/$source->{$_}{file} against $source->{$_}{dir}/$source->{$_}{file}, check your repository !\n";
+ }
+ } #- say nothing if source is equal to target.
+ }
+ }
+
+ #- search in target part.
+ foreach (keys %$target) {
+ unless ($source->{$_}) {
+ if ($flag->{verbose}) {
+ print "removing $target->{$_}{file}" . ($flag->{remove} ? " from $target->{$_}{dir}\n" : " is neccessary!\n")
+ }
+ if ($flag->{remove}) {
+ rm("$target->{$_}{dir}/$target->{$_}{file}");
+ }
+ }
+ }
+}
+
+#- main program.
+sub main {
+ my @from_rpms;
+ my @to_rpms;
+ my $target_rpms;
+ my %flag;
+ my %source;
+ my %target;
+
+ foreach (@_) {
+ if (/^--(\w*)$/) {
+ if ($1 eq 'verbose' || $1 eq 'update' || $1 eq 'remove' || $1 eq 'clean') {
+ $flag{$1} = 1;
+ } elsif ($1 eq 'add') {
+ $flag{add} = undef;
+ } elsif ($1 eq 'from') {
+ $target_rpms = \@from_rpms;
+ } elsif ($1 eq 'to') {
+ $target_rpms = \@to_rpms;
+ } else {
+ die "unknown option: $1\n";
+ }
+ } else {
+ if (exists $flag{add} && ! $flag{add}) {
+ $flag{add} = $_;
+ die "cannot add to non-directory: $_\n" unless -d $flag{add};
+ } else {
+ die "unknown parameter: $_\n" unless $target_rpms;
+ push @$target_rpms, $_;
+ }
+ }
+ }
+
+ die "usage: syncrpms [--update] [--remove] [--clean] [--add <dir>] --from <dir_sources> --to <dir_target>\n"
+ unless scalar(@from_rpms) > 0 && scalar(@to_rpms) > 0;
+
+ #- parse directory structures.
+ get_rpms($_, \%source, \%flag) foreach @from_rpms;
+ get_rpms($_, \%target, \%flag) foreach @to_rpms;
+
+ print STDERR "reading " . scalar(keys %source) . " packages as source rpms from\n";
+ print STDERR " $_\n" foreach @from_rpms;
+ print STDERR "reading " . scalar(keys %target) . " packages as target rpms from\n";
+ print STDERR " $_\n" foreach @to_rpms;
+
+ sync_rpms(\%source, \%target, \%flag);
+}
+
+main(@ARGV);