diff options
Diffstat (limited to 'urpm')
| -rw-r--r-- | urpm/md5sum.pm | 35 | ||||
| -rw-r--r-- | urpm/media.pm | 174 |
2 files changed, 68 insertions, 141 deletions
diff --git a/urpm/md5sum.pm b/urpm/md5sum.pm index 05176086..73870dba 100644 --- a/urpm/md5sum.pm +++ b/urpm/md5sum.pm @@ -4,48 +4,25 @@ use urpm; use urpm::util; use urpm::msg; +sub parse { + my ($md5sum_file) = @_; -#- parse an MD5SUM file from a mirror -sub from_MD5SUM { - my ($md5sum_file, $f) = @_; - my $basename = basename($f); - - my ($retrieved_md5sum) = map { + my %h = map { my ($md5sum, $file) = m|(\S+)\s+(?:\./)?(\S+)|; - $file && $file eq $basename ? $md5sum : @{[]}; + $file => $md5sum; } cat_($md5sum_file); - $retrieved_md5sum; + \%h; } sub from_MD5SUM__or_warn { my ($urpm, $md5sum_file, $basename) = @_; $urpm->{log}(N("examining %s file", $md5sum_file)); - my $retrieved_md5sum = from_MD5SUM($md5sum_file, $basename) + my $retrieved_md5sum = parse($md5sum_file)->{$basename} or $urpm->{log}(N("warning: md5sum for %s unavailable in MD5SUM file", $basename)); return $retrieved_md5sum; } -sub on_local_medium { - my ($urpm, $medium, $force) = @_; - if ($force) { - #- force downloading the file again, else why a force option has been defined ? - delete $medium->{md5sum}; - } else { - $medium->{md5sum} ||= compute_on_local_medium($urpm, $medium); - } - $medium->{md5sum}; -} - -sub compute_on_local_medium { - my ($urpm, $medium) = @_; - - require urpm::media; #- help perl_checker - my $f = urpm::media::statedir_synthesis($urpm, $medium); - $urpm->{log}(N("computing md5sum of existing source synthesis [%s]", $f)); - -e $f && compute($f); -} - sub compute { my ($file) = @_; eval { require Digest::MD5 }; diff --git a/urpm/media.pm b/urpm/media.pm index 1248ca9c..829962c3 100644 --- a/urpm/media.pm +++ b/urpm/media.pm @@ -139,13 +139,6 @@ sub read_config { } eval { require urpm::ldap; urpm::ldap::load_ldap_media($urpm) }; - - #- read MD5 sums (not in urpmi.cfg but in a separate file) - foreach (@{$urpm->{media}}) { - if (my $md5sum = urpm::md5sum::from_MD5SUM("$urpm->{statedir}/MD5SUM", statedir_synthesis($urpm, $_))) { - $_->{md5sum} = $md5sum; - } - } } #- if invalid, set {ignore} @@ -256,6 +249,10 @@ sub statedir_names { my ($urpm, $medium) = @_; $medium->{name} && "$urpm->{statedir}/names.$medium->{name}"; } +sub statedir_MD5SUM { + my ($urpm, $medium) = @_; + $medium->{name} && "$urpm->{statedir}/MD5SUM.$medium->{name}"; +} sub cachedir_with_synthesis { my ($urpm, $medium) = @_; _url_with_synthesis($medium) && "$urpm->{cachedir}/partial/" . _url_with_synthesis_basename($medium); @@ -312,21 +309,6 @@ sub probe_removable_device { } -sub write_MD5SUM { - my ($urpm) = @_; - - #- write MD5SUM file - my $fh = urpm::sys::open_safe($urpm, '>', "$urpm->{statedir}/MD5SUM") or return 0; - foreach my $medium (grep { $_->{md5sum} } @{$urpm->{media}}) { - my $s = basename(statedir_synthesis($urpm, $medium)); - print $fh "$medium->{md5sum} $s\n"; - } - - $urpm->{log}(N("wrote %s", "$urpm->{statedir}/MD5SUM")); - - delete $urpm->{md5sum_modified}; -} - #- Writes the urpmi.cfg file. sub write_urpmi_cfg { my ($urpm) = @_; @@ -355,7 +337,6 @@ sub write_config { my ($urpm) = @_; write_urpmi_cfg($urpm); - write_MD5SUM($urpm); } sub _tempignore { @@ -865,7 +846,6 @@ sub _parse_synthesis__virtual { delete $medium->{modified}; $medium->{really_modified} = 1; - $urpm->{md5sum_modified} = 1; _parse_synthesis_or_ignore($urpm, $medium); } @@ -890,20 +870,6 @@ sub generate_medium_names { } -sub _read_existing_synthesis_if_same_md5sum { - my ($urpm, $medium, $retrieved_md5sum) = @_; - - #- if an existing synthesis file has the same md5sum, we assume the - #- files are the same. - #- if local md5sum is the same as distant md5sum, this means there is no need to - #- download synthesis file again. - $retrieved_md5sum && $medium->{md5sum} eq $retrieved_md5sum or return; - - _read_existing_synthesis($urpm, $medium); - - 1; -} - sub _read_existing_synthesis { my ($urpm, $medium) = @_; @@ -1053,30 +1019,15 @@ sub get_synthesis__remote { } } -sub get_synthesis_and_check_md5sum__local { - my ($urpm, $medium, $retrieved_md5sum, $callback) = @_; - - get_synthesis__local($urpm, $medium, $callback) or return; - - #- keep checking md5sum of file just copied ! (especially on nfs or removable device). - if ($retrieved_md5sum) { - $urpm->{log}(N("computing md5sum of copied source synthesis")); - urpm::md5sum::compute(cachedir_with_synthesis($urpm, $medium)) eq $retrieved_md5sum or - $urpm->{error}(N("copy of [%s] failed (md5sum mismatch)", _url_with_synthesis($medium))), return; - } - - 1; -} -sub get_synthesis_and_check_md5sum__remote { - my ($urpm, $medium, $retrieved_md5sum, $callback, $quiet) = @_; - - get_synthesis__remote($urpm, $medium, $callback, $quiet) or return; +#- check copied/downloaded file has right signature. +sub check_synthesis_md5sum { + my ($urpm, $medium) = @_; - #- check downloaded file has right signature. - if ($retrieved_md5sum) { + my $wanted_md5sum = urpm::md5sum::from_MD5SUM__or_warn($urpm, "$urpm->{cachedir}/partial/MD5SUM", 'synthesis.hdlist.cz'); + if ($wanted_md5sum) { $urpm->{log}(N("computing md5sum of retrieved source synthesis")); - urpm::md5sum::compute(cachedir_with_synthesis($urpm, $medium)) eq $retrieved_md5sum or - $urpm->{error}(N("...retrieving failed: md5sum mismatch")), return; + urpm::md5sum::compute(cachedir_with_synthesis($urpm, $medium)) eq $wanted_md5sum or + $urpm->{error}(N("copy of [%s] failed (md5sum mismatch)", _url_with_synthesis($medium))), return; } 1; } @@ -1096,6 +1047,16 @@ sub _call_genhdlist2 { 1; } +sub _is_statedir_MD5SUM_uptodate { + my ($urpm, $medium, $new_MD5SUM) = @_; + + my $current_MD5SUM = statedir_MD5SUM($urpm, $medium); + + $urpm->{log}(N("comparing %s and %s", $new_MD5SUM, $current_MD5SUM)); + + cat_($new_MD5SUM) eq cat_($current_MD5SUM); +} + #- options: callback, force, nomd5sum, nopubkey, probe_with sub _update_medium__parse_if_unmodified__local { my ($urpm, $medium, $options) = @_; @@ -1139,45 +1100,38 @@ this could happen if you mounted manually the directory when creating the medium _call_genhdlist2($urpm, $medium) or return ''; 1; } elsif (_synthesis_dir($medium)) { - my ($retrieved_md5sum); - - if (!$options->{nomd5sum} && file_size(_synthesis_dir($medium) . '/MD5SUM') > 32) { - $retrieved_md5sum = urpm::md5sum::from_MD5SUM__or_warn($urpm, _synthesis_dir($medium) . '/MD5SUM', - _url_with_synthesis_basename($medium)); - if (urpm::md5sum::on_local_medium($urpm, $medium, $options->{force})) { - _read_existing_synthesis_if_same_md5sum($urpm, $medium, $retrieved_md5sum) - and return 'unmodified'; - } - } + my $new_MD5SUM = _synthesis_dir($medium) . '/MD5SUM'; + unlink "$urpm->{cachedir}/partial/MD5SUM"; - if (get_synthesis_and_check_md5sum__local($urpm, $medium, $retrieved_md5sum, $options->{callback})) { + if (!$options->{nomd5sum} && file_size($new_MD5SUM) > 32) { + if (!$options->{force} && _is_statedir_MD5SUM_uptodate($urpm, $medium, $new_MD5SUM)) { + _read_existing_synthesis($urpm, $medium) + and return 'unmodified'; + } - $medium->{md5sum} = $retrieved_md5sum if $retrieved_md5sum; + $urpm->{log}(N("copying MD5SUM file of \"%s\"...", $medium->{name})); + copy_and_own($new_MD5SUM, "$urpm->{cachedir}/partial/MD5SUM"); + } - if (!$options->{force}) { - _read_existing_synthesis($urpm, $medium) - and return 'unmodified'; - } - 1; - } else { - #- if copying synthesis has failed, try to build it directly. - if ($urpm->{options}{'build-hdlist-on-error'}) { - #- no available synthesis, try to build it from rpms - _call_genhdlist2($urpm, $medium) or return ''; - 1; - } else { - $urpm->{error}(N("unable to access synthesis file of \"%s\", medium ignored", $medium->{name})); - $medium->{ignore} = 1; - ''; - } - } + my $ok = get_synthesis__local($urpm, $medium, $options->{callback}); + $ok &&= !$options->{force} || check_synthesis_md5sum($urpm, $medium); + + if ($ok) { + 1; + } elsif ($urpm->{options}{'build-hdlist-on-error'}) { + #- if copying synthesis has failed, try to build it directly. + _call_genhdlist2($urpm, $medium) or return ''; + 1; + } else { + _ignore_medium_on_parse_error($urpm, $medium); + ''; + } } } #- options: callback, force, nomd5sum, nopubkey, probe_with, quiet sub _update_medium__parse_if_unmodified__remote { my ($urpm, $medium, $options) = @_; - my ($retrieved_md5sum); #- examine if a distant MD5SUM file is available. #- this will only be done if $with_synthesis is not empty in order to use @@ -1188,15 +1142,14 @@ sub _update_medium__parse_if_unmodified__remote { #- to be checked for being valid, nothing can be deduced if no MD5SUM #- file is present. - unlink "$urpm->{cachedir}/partial/MD5SUM"; + my $new_MD5SUM = "$urpm->{cachedir}/partial/MD5SUM"; + unlink $new_MD5SUM; if (!$options->{nomd5sum} && urpm::download::sync($urpm, $medium, [ reduce_pathname(_synthesis_dir($medium) . '/MD5SUM') ], - quiet => 1) && file_size("$urpm->{cachedir}/partial/MD5SUM") > 32) { - if (urpm::md5sum::on_local_medium($urpm, $medium, $options->{force} >= 2)) { - $retrieved_md5sum = urpm::md5sum::from_MD5SUM__or_warn($urpm, "$urpm->{cachedir}/partial/MD5SUM", - _url_with_synthesis_basename($medium)); - _read_existing_synthesis_if_same_md5sum($urpm, $medium, $retrieved_md5sum) + quiet => 1) && file_size($new_MD5SUM) > 32) { + if ($options->{force} < 2 && _is_statedir_MD5SUM_uptodate($urpm, $medium, $new_MD5SUM)) { + _read_existing_synthesis($urpm, $medium) and return 'unmodified'; } } @@ -1244,18 +1197,13 @@ sub _update_medium__parse_if_unmodified__remote { ) or $error->(N("...copying failed")), return; } } - if (get_synthesis_and_check_md5sum__remote($urpm, $medium, $retrieved_md5sum, $options->{callback}, $options->{quiet})) { - $options->{callback} and $options->{callback}('done', $medium->{name}); + my $ok = get_synthesis__remote($urpm, $medium, $options->{callback}, $options->{quiet}); + $ok &&= !$options->{force} || check_synthesis_md5sum($urpm, $medium); - $medium->{md5sum} = $retrieved_md5sum if $retrieved_md5sum; + $options->{callback} and $options->{callback}('done', $medium->{name}); - if (!$options->{force}) { - _read_existing_synthesis($urpm, $medium) - and return 'unmodified'; - } - } else { - $error->(N("unable to access synthesis file of \"%s\", medium ignored", $medium->{name})); - $medium->{ignore} = 1; + if (!$ok) { + _ignore_medium_on_parse_error($urpm, $medium); return; } } @@ -1349,7 +1297,6 @@ sub _update_medium_first_pass { } else { $urpm->{error}(N("unable to parse synthesis file of \"%s\"", $medium->{name})); $options{callback} and $options{callback}('failed', $medium->{name}); - delete $medium->{md5sum}; #- we have to read back the current synthesis file unmodified. _parse_synthesis_or_ignore($urpm, $medium); @@ -1362,15 +1309,21 @@ sub _update_medium_first_pass { } + #- use new files + unlink statedir_synthesis($urpm, $medium); - #- use newly created file. urpm::util::move(cachedir_with_synthesis($urpm, $medium), statedir_synthesis($urpm, $medium)); + unlink statedir_MD5SUM($urpm, $medium); + if (!$medium->{with_synthesis}) { # no MD5SUM when using with_synthesis, urpmi.update will update everytime! + urpm::util::move("$urpm->{cachedir}/partial/MD5SUM", + statedir_MD5SUM($urpm, $medium)) if -e "$urpm->{cachedir}/partial/MD5SUM"; + } + #- make sure to rebuild base files and clear medium modified state. $medium->{modified} = 0; $medium->{really_modified} = 1; - $urpm->{md5sum_modified} = 1; } 1; @@ -1461,9 +1414,6 @@ sub update_media { #- write config files in any case write_config($urpm); urpm::download::dump_proxy_config(); - } elsif ($urpm->{md5sum_modified}) { - #- NB: in case of $urpm->{modified}, write_MD5SUM is called in write_config above - write_MD5SUM($urpm); } $updates_result{error} == 0; |