From 106088ec7089a961767fb19d83e9dc09ae02e076 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Tue, 21 Nov 2006 18:10:03 +0000
Subject: create urpm::removable out of urpm.pm

---
 gurpmi2           |   4 +-
 urpm.pm           | 185 +--------------------------------------------------
 urpm/media.pm     |   9 +--
 urpm/removable.pm | 195 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 urpmi             |   4 +-
 urpmi.addmedia    |   2 +-
 urpmi.update      |   2 +-
 7 files changed, 207 insertions(+), 194 deletions(-)
 create mode 100644 urpm/removable.pm

diff --git a/gurpmi2 b/gurpmi2
index 0fe865b1..7a8172e5 100755
--- a/gurpmi2
+++ b/gurpmi2
@@ -220,7 +220,7 @@ sub do_install_3 () {
     $progressbar->set_size_request(300, -1);
     $vbox->pack_start($progressbar, 0, 0, 0);
     change_mainw($vbox);
-    $urpm->copy_packages_of_removable_media($list, \%sources, sub {
+    urpm::removable::copy_packages_of_removable_media($urpm, $list, \%sources, sub {
 	    my $w = Gtk2::MessageDialog->new($mainw, [qw(modal destroy-with-parent)], 'warning', 'ok-cancel',
 		N("Please insert the medium named \"%s\" on device [%s]", $_[0], $_[1])
 	    );
@@ -336,5 +336,5 @@ sub do_install_3 () {
     }
     urpm::sys::unlock_urpmi_db($urpm);
     urpm::sys::unlock_rpm_db($urpm);
-    $urpm->try_umounting_removables;
+    urpm::removable::try_umounting_removables($urpm);
 }
diff --git a/urpm.pm b/urpm.pm
index 565a9a45..efe60003 100644
--- a/urpm.pm
+++ b/urpm.pm
@@ -55,12 +55,6 @@ sub new {
     $self;
 }
 
-#- returns the removable device name if it corresponds to an iso image, '' otherwise
-sub is_iso {
-    my ($removable_dev) = @_;
-    $removable_dev && $removable_dev =~ /\.iso$/i;
-}
-
 sub protocol_from_url {
     my ($url) = @_;
     $url =~ m!^([^:_]*)[^:]*:! && $1;
@@ -100,60 +94,6 @@ sub remove_obsolete_headers_in_cache {
     }
 }
 
-sub try_mounting {
-    my ($urpm, $dir, $o_removable) = @_;
-    my %infos;
-
-    my $is_iso = is_iso($o_removable);
-    my @mntpoints = $is_iso
-	#- note: for isos, we don't parse the fstab because it might not be declared in it.
-	#- so we try to remove suffixes from the dir name until the dir exists
-	? ($dir = urpm::sys::trim_until_d($dir))
-	: urpm::sys::find_mntpoints($dir = reduce_pathname($dir), \%infos);
-    foreach (grep {
-	    ! $infos{$_}{mounted} && $infos{$_}{fs} ne 'supermount';
-	} @mntpoints)
-    {
-	$urpm->{log}(N("mounting %s", $_));
-	if ($is_iso) {
-	    #- to mount an iso image, grab the first loop device
-	    my $loopdev = urpm::sys::first_free_loopdev();
-	    sys_log("mount iso $_ on $o_removable");
-	    $loopdev and system('mount', $o_removable, $_, '-t', 'iso9660', '-o', "loop=$loopdev");
-	} else {
-	    sys_log("mount $_");
-	    system("mount '$_' 2>/dev/null");
-	}
-	$o_removable && $infos{$_}{fs} ne 'supermount' and $urpm->{removable_mounted}{$_} = undef;
-    }
-    -e $dir;
-}
-
-sub try_umounting {
-    my ($urpm, $dir) = @_;
-    my %infos;
-
-    $dir = reduce_pathname($dir);
-    foreach (reverse grep {
-	    $infos{$_}{mounted} && $infos{$_}{fs} ne 'supermount';
-	} urpm::sys::find_mntpoints($dir, \%infos))
-    {
-	$urpm->{log}(N("unmounting %s", $_));
-	sys_log("umount $_");
-	system("umount '$_' 2>/dev/null");
-	delete $urpm->{removable_mounted}{$_};
-    }
-    ! -e $dir;
-}
-
-sub try_umounting_removables {
-    my ($urpm) = @_;
-    foreach (keys %{$urpm->{removable_mounted}}) {
-	$urpm->try_umounting($_);
-    }
-    delete $urpm->{removable_mounted};
-}
-
 #- register local packages for being installed, keep track of source.
 sub register_rpms {
     my ($urpm, @files) = @_;
@@ -595,7 +535,7 @@ sub download_source_packages {
     my %error_sources;
 
     urpm::sys::lock_urpmi_db($urpm, 'exclusive') if !$options{nolock};
-    $urpm->copy_packages_of_removable_media($list, \%sources, $options{ask_for_medium}) or return;
+    urpm::removable::copy_packages_of_removable_media($urpm, $list, \%sources, $options{ask_for_medium}) or return;
     $urpm->download_packages_of_distant_media($list, \%sources, \%error_sources, %options);
     urpm::sys::unlock_urpmi_db($urpm) unless $options{nolock};
 
@@ -608,129 +548,6 @@ sub exlock_urpmi_db {
     urpm::sys::lock_urpmi_db($urpm, 'exclusive');
 }
 
-#- $list is a [ { pkg_id1 => url1, ... }, { ... }, ... ]
-#- where there is one hash for each medium in {media}
-sub copy_packages_of_removable_media {
-    my ($urpm, $list, $sources, $o_ask_for_medium) = @_;
-    my %removables;
-
-    #- make sure everything is correct on input...
-    $urpm->{media} or return;
-    @{$urpm->{media}} == @$list or return;
-
-    #- examine if given medium is already inside a removable device.
-    my $check_notfound = sub {
-	my ($id, $dir, $removable) = @_;
-	if ($dir) {
-	    $urpm->try_mounting($dir, $removable);
-	    -e $dir or return 2;
-	}
-	foreach (values %{$list->[$id]}) {
-	    chomp;
-	    my $dir_ = file_from_local_url($_) or next;
-	    $dir_ =~ m!/.*/! or next; #- is this really needed??
-	    unless ($dir) {
-		$dir = $dir_;
-		$urpm->try_mounting($dir, $removable);
-	    }
-	    -r $dir_ or return 1;
-	}
-	0;
-    };
-    #- removable media have to be examined to keep mounted the one that has
-    #- more packages than others.
-    my $examine_removable_medium = sub {
-	my ($id, $device) = @_;
-	my $medium = $urpm->{media}[$id];
-	if (my $dir = file_from_local_url($medium->{url})) {
-	    #- the directory given does not exist and may be accessible
-	    #- by mounting some other directory. Try to figure it out and mount
-	    #- everything that might be necessary.
-	    while ($check_notfound->($id, $dir, is_iso($medium->{removable}) ? $medium->{removable} : 'removable')) {
-		is_iso($medium->{removable}) || $o_ask_for_medium
-		    or $urpm->{fatal}(4, N("medium \"%s\" is not selected", $medium->{name}));
-		$urpm->try_umounting($dir);
-		system("/usr/bin/eject '$device' 2>/dev/null");
-		is_iso($medium->{removable})
-		    || $o_ask_for_medium->(remove_internal_name($medium->{name}), $medium->{removable})
-		    or $urpm->{fatal}(4, N("medium \"%s\" is not selected", $medium->{name}));
-	    }
-	    if (-e $dir) {
-		while (my ($i, $url) = each %{$list->[$id]}) {
-		    chomp $url;
-		    my ($filepath, $filename) = do {
-			my $f = file_from_local_url($url) or next;
-			$f =~ m!/.*/! or next; #- is this really needed??
-			dirname($f), basename($f);
-		    };
-		    if (-r $filepath) {
-			#- we should assume a possibly buggy removable device...
-			#- First, copy in partial cache, and if the package is still good,
-			#- transfer it to the rpms cache.
-			unlink "$urpm->{cachedir}/partial/$filename";
-			if (copy_and_own($filepath, "$urpm->{cachedir}/partial/$filename") &&
-			    URPM::verify_rpm("$urpm->{cachedir}/partial/$filename", nosignatures => 1))
-			{
-			    #- now we can consider the file to be fine.
-			    unlink "$urpm->{cachedir}/rpms/$filename";
-			    urpm::util::move("$urpm->{cachedir}/partial/$filename", "$urpm->{cachedir}/rpms/$filename");
-			    -r "$urpm->{cachedir}/rpms/$filename" and $sources->{$i} = "$urpm->{cachedir}/rpms/$filename";
-			}
-		    }
-		    unless ($sources->{$i}) {
-			#- fallback to use other method for retrieving the file later.
-			$urpm->{error}(N("unable to read rpm file [%s] from medium \"%s\"", $filepath, $medium->{name}));
-		    }
-		}
-	    } else {
-		$urpm->{error}(N("medium \"%s\" is not selected", $medium->{name}));
-	    }
-	} else {
-	    #- we have a removable device that is not removable, well...
-	    $urpm->{error}(N("inconsistent medium \"%s\" marked removable but not really", $medium->{name}));
-	}
-    };
-
-    foreach (0..$#$list) {
-	values %{$list->[$_]} or next;
-	my $medium = $urpm->{media}[$_];
-	#- examine non removable device but that may be mounted.
-	if ($medium->{removable}) {
-	    push @{$removables{$medium->{removable}} ||= []}, $_;
-	} elsif (my $dir = file_from_local_url($medium->{url})) {
-	    -e $dir || $urpm->try_mounting($dir) or
-	      $urpm->{error}(N("unable to access medium \"%s\"", $medium->{name})), next;
-	}
-    }
-    foreach my $device (keys %removables) {
-	next if $device =~ m![^a-zA-Z0-9_./-]!; #- bad path
-	#- Here we have only removable devices.
-	#- If more than one media uses this device, we have to sort
-	#- needed packages to copy the needed rpm files.
-	if (@{$removables{$device}} > 1) {
-	    my @sorted_media = sort { values(%{$list->[$a]}) <=> values(%{$list->[$b]}) } @{$removables{$device}};
-
-	    #- check if a removable device is already mounted (and files present).
-	    if (my ($already_mounted_medium) = grep { !$check_notfound->($_) } @sorted_media) {
-		@sorted_media = grep { $_ ne $already_mounted_medium } @sorted_media;
-		unshift @sorted_media, $already_mounted_medium;
-	    }
-
-	    #- mount all except the biggest one.
-	    my $biggest = pop @sorted_media;
-	    foreach (@sorted_media) {
-		$examine_removable_medium->($_, $device);
-	    }
-	    #- now mount the last one...
-	    $removables{$device} = [ $biggest ];
-	}
-
-	$examine_removable_medium->($removables{$device}[0], $device);
-    }
-
-    1;
-}
-
 # TODO verify that files are downloaded from the right corresponding media
 #- options: quiet, callback, 
 sub download_packages_of_distant_media {
diff --git a/urpm/media.pm b/urpm/media.pm
index e32ae406..c823a8d5 100644
--- a/urpm/media.pm
+++ b/urpm/media.pm
@@ -5,6 +5,7 @@ package urpm::media;
 use urpm 'file_from_local_url';
 use urpm::msg;
 use urpm::util;
+use urpm::removable;
 
 
 our @PER_MEDIA_OPT = qw(
@@ -334,7 +335,7 @@ sub probe_removable_device {
 	    $urpm->{log}(N("too many mount points for removable medium \"%s\"", $medium->{name}));
 	    $urpm->{log}(N("taking removable device as \"%s\"", join ',', map { $infos{$_}{device} } @mntpoints));
 	}
-	if (urpm::is_iso($medium->{removable})) {
+	if (urpm::removable::is_iso($medium->{removable})) {
 	    $urpm->{log}(N("Medium \"%s\" is an ISO image, will be mounted on-the-fly", $medium->{name}));
 	} elsif (@mntpoints) {
 	    if ($medium->{removable} && $medium->{removable} ne $infos{$mntpoints[-1]}{device}) {
@@ -663,7 +664,7 @@ sub add_distrib_media {
     my $distribconf;
 
     if (my $dir = file_from_local_url($url)) {
-	$urpm->try_mounting($dir)
+	urpm::removable::try_mounting($urpm, $dir)
 	    or $urpm->{error}(N("unable to mount the distribution medium")), return ();
 	$distribconf = MDV::Distribconf->new($dir, undef);
 	$distribconf->load
@@ -1272,11 +1273,11 @@ sub _update_medium__parse_if_unmodified__local {
 	#- the directory given does not exist and may be accessible
 	#- by mounting some other directory. Try to figure it out and mount
 	#- everything that might be necessary.
-	$urpm->try_mounting(
+	urpm::removable::try_mounting($urpm,
 	    !$options->{force_building_hdlist} && $medium->{with_hdlist}
 	      ? _hdlist_dir($medium) : $dir,
 	    #- in case of an iso image, pass its name
-	    urpm::is_iso($medium->{removable}) && $medium->{removable},
+	    urpm::removable::is_iso($medium->{removable}) && $medium->{removable},
 	) or $urpm->{error}(N("unable to access medium \"%s\",
 this could happen if you mounted manually the directory when creating the medium.", $medium->{name})), return 'unmodified';
     }
diff --git a/urpm/removable.pm b/urpm/removable.pm
new file mode 100644
index 00000000..783a2ba5
--- /dev/null
+++ b/urpm/removable.pm
@@ -0,0 +1,195 @@
+package urpm::removable;
+
+# $Id$
+
+use urpm::msg;
+use urpm::sys;
+use urpm::util;
+use urpm 'file_from_local_url';
+
+
+
+#- returns the removable device name if it corresponds to an iso image, '' otherwise
+sub is_iso {
+    my ($removable_dev) = @_;
+    $removable_dev && $removable_dev =~ /\.iso$/i;
+}
+
+sub try_mounting {
+    my ($urpm, $dir, $o_removable) = @_;
+    my %infos;
+
+    my $is_iso = is_iso($o_removable);
+    my @mntpoints = $is_iso
+	#- note: for isos, we don't parse the fstab because it might not be declared in it.
+	#- so we try to remove suffixes from the dir name until the dir exists
+	? ($dir = urpm::sys::trim_until_d($dir))
+	: urpm::sys::find_mntpoints($dir = reduce_pathname($dir), \%infos);
+    foreach (grep {
+	    ! $infos{$_}{mounted} && $infos{$_}{fs} ne 'supermount';
+	} @mntpoints)
+    {
+	$urpm->{log}(N("mounting %s", $_));
+	if ($is_iso) {
+	    #- to mount an iso image, grab the first loop device
+	    my $loopdev = urpm::sys::first_free_loopdev();
+	    sys_log("mount iso $_ on $o_removable");
+	    $loopdev and system('mount', $o_removable, $_, '-t', 'iso9660', '-o', "loop=$loopdev");
+	} else {
+	    sys_log("mount $_");
+	    system("mount '$_' 2>/dev/null");
+	}
+	$o_removable && $infos{$_}{fs} ne 'supermount' and $urpm->{removable_mounted}{$_} = undef;
+    }
+    -e $dir;
+}
+
+sub try_umounting {
+    my ($urpm, $dir) = @_;
+    my %infos;
+
+    $dir = reduce_pathname($dir);
+    foreach (reverse grep {
+	    $infos{$_}{mounted} && $infos{$_}{fs} ne 'supermount';
+	} urpm::sys::find_mntpoints($dir, \%infos))
+    {
+	$urpm->{log}(N("unmounting %s", $_));
+	sys_log("umount $_");
+	system("umount '$_' 2>/dev/null");
+	delete $urpm->{removable_mounted}{$_};
+    }
+    ! -e $dir;
+}
+
+sub try_umounting_removables {
+    my ($urpm) = @_;
+    foreach (keys %{$urpm->{removable_mounted}}) {
+	try_umounting($urpm, $_);
+    }
+    delete $urpm->{removable_mounted};
+}
+
+#- $list is a [ { pkg_id1 => url1, ... }, { ... }, ... ]
+#- where there is one hash for each medium in {media}
+sub copy_packages_of_removable_media {
+    my ($urpm, $list, $sources, $o_ask_for_medium) = @_;
+    my %removables;
+
+    #- make sure everything is correct on input...
+    $urpm->{media} or return;
+    @{$urpm->{media}} == @$list or return;
+
+    #- examine if given medium is already inside a removable device.
+    my $check_notfound = sub {
+	my ($id, $dir, $removable) = @_;
+	if ($dir) {
+	    try_mounting($urpm, $dir, $removable);
+	    -e $dir or return 2;
+	}
+	foreach (values %{$list->[$id]}) {
+	    chomp;
+	    my $dir_ = file_from_local_url($_) or next;
+	    $dir_ =~ m!/.*/! or next; #- is this really needed??
+	    unless ($dir) {
+		$dir = $dir_;
+		try_mounting($urpm, $dir, $removable);
+	    }
+	    -r $dir_ or return 1;
+	}
+	0;
+    };
+    #- removable media have to be examined to keep mounted the one that has
+    #- more packages than others.
+    my $examine_removable_medium = sub {
+	my ($id, $device) = @_;
+	my $medium = $urpm->{media}[$id];
+	if (my $dir = file_from_local_url($medium->{url})) {
+	    #- the directory given does not exist and may be accessible
+	    #- by mounting some other directory. Try to figure it out and mount
+	    #- everything that might be necessary.
+	    while ($check_notfound->($id, $dir, is_iso($medium->{removable}) ? $medium->{removable} : 'removable')) {
+		is_iso($medium->{removable}) || $o_ask_for_medium
+		    or $urpm->{fatal}(4, N("medium \"%s\" is not selected", $medium->{name}));
+		try_umounting($urpm, $dir);
+		system("/usr/bin/eject '$device' 2>/dev/null");
+		is_iso($medium->{removable})
+		    || $o_ask_for_medium->(remove_internal_name($medium->{name}), $medium->{removable})
+		    or $urpm->{fatal}(4, N("medium \"%s\" is not selected", $medium->{name}));
+	    }
+	    if (-e $dir) {
+		while (my ($i, $url) = each %{$list->[$id]}) {
+		    chomp $url;
+		    my ($filepath, $filename) = do {
+			my $f = file_from_local_url($url) or next;
+			$f =~ m!/.*/! or next; #- is this really needed??
+			dirname($f), basename($f);
+		    };
+		    if (-r $filepath) {
+			#- we should assume a possibly buggy removable device...
+			#- First, copy in partial cache, and if the package is still good,
+			#- transfer it to the rpms cache.
+			unlink "$urpm->{cachedir}/partial/$filename";
+			if (copy_and_own($filepath, "$urpm->{cachedir}/partial/$filename") &&
+			    URPM::verify_rpm("$urpm->{cachedir}/partial/$filename", nosignatures => 1))
+			{
+			    #- now we can consider the file to be fine.
+			    unlink "$urpm->{cachedir}/rpms/$filename";
+			    urpm::util::move("$urpm->{cachedir}/partial/$filename", "$urpm->{cachedir}/rpms/$filename");
+			    -r "$urpm->{cachedir}/rpms/$filename" and $sources->{$i} = "$urpm->{cachedir}/rpms/$filename";
+			}
+		    }
+		    unless ($sources->{$i}) {
+			#- fallback to use other method for retrieving the file later.
+			$urpm->{error}(N("unable to read rpm file [%s] from medium \"%s\"", $filepath, $medium->{name}));
+		    }
+		}
+	    } else {
+		$urpm->{error}(N("medium \"%s\" is not selected", $medium->{name}));
+	    }
+	} else {
+	    #- we have a removable device that is not removable, well...
+	    $urpm->{error}(N("inconsistent medium \"%s\" marked removable but not really", $medium->{name}));
+	}
+    };
+
+    foreach (0..$#$list) {
+	values %{$list->[$_]} or next;
+	my $medium = $urpm->{media}[$_];
+	#- examine non removable device but that may be mounted.
+	if ($medium->{removable}) {
+	    push @{$removables{$medium->{removable}} ||= []}, $_;
+	} elsif (my $dir = file_from_local_url($medium->{url})) {
+	    -e $dir || try_mounting($urpm, $dir) or
+	      $urpm->{error}(N("unable to access medium \"%s\"", $medium->{name})), next;
+	}
+    }
+    foreach my $device (keys %removables) {
+	next if $device =~ m![^a-zA-Z0-9_./-]!; #- bad path
+	#- Here we have only removable devices.
+	#- If more than one media uses this device, we have to sort
+	#- needed packages to copy the needed rpm files.
+	if (@{$removables{$device}} > 1) {
+	    my @sorted_media = sort { values(%{$list->[$a]}) <=> values(%{$list->[$b]}) } @{$removables{$device}};
+
+	    #- check if a removable device is already mounted (and files present).
+	    if (my ($already_mounted_medium) = grep { !$check_notfound->($_) } @sorted_media) {
+		@sorted_media = grep { $_ ne $already_mounted_medium } @sorted_media;
+		unshift @sorted_media, $already_mounted_medium;
+	    }
+
+	    #- mount all except the biggest one.
+	    my $biggest = pop @sorted_media;
+	    foreach (@sorted_media) {
+		$examine_removable_medium->($_, $device);
+	    }
+	    #- now mount the last one...
+	    $removables{$device} = [ $biggest ];
+	}
+
+	$examine_removable_medium->($removables{$device}[0], $device);
+    }
+
+    1;
+}
+
+1;
diff --git a/urpmi b/urpmi
index 01da1045..0431874d 100755
--- a/urpmi
+++ b/urpmi
@@ -592,7 +592,7 @@ unless ($local_sources || $list) {
 my %sources = %$local_sources;
 my %error_sources;
 
-$urpm->copy_packages_of_removable_media(
+urpm::removable::copy_packages_of_removable_media($urpm,
     $list, \%sources,
     (!$urpm->{options}{auto} || $allow_medium_change) && sub {
 	my $msg = N("Please insert the medium named \"%s\" on device [%s]", $_[0], $_[1]);
@@ -826,7 +826,7 @@ unless ($env || $nolock) {
     urpm::sys::unlock_rpm_db($urpm);
 
     #- try to umount removable device which may have been mounted.
-    $urpm->try_umounting_removables;
+    urpm::removable::try_umounting_removables($urpm);
 }
 
 #- restart urpmi if needed, keep command line for that.
diff --git a/urpmi.addmedia b/urpmi.addmedia
index 04b6fe71..1fbded3b 100755
--- a/urpmi.addmedia
+++ b/urpmi.addmedia
@@ -193,6 +193,6 @@ if ($options{distrib}) {
 }
 
 #- try to umount removable devices which may have been mounted.
-$urpm->try_umounting_removables;
+urpm::removable::try_umounting_removables($urpm);
 
 # vim:ts=8:sts=4:sw=4
diff --git a/urpmi.update b/urpmi.update
index 0ed9d6c4..e86f4013 100755
--- a/urpmi.update
+++ b/urpmi.update
@@ -101,5 +101,5 @@ if (defined $options{ignore}) {
 } else {
     urpm::media::update_media($urpm, %options, callback => \&urpm::download::sync_logger);
     #- try to umount removable device which may have been mounted.
-    $urpm->try_umounting_removables;
+    urpm::removable::try_umounting_removables($urpm);
 }
-- 
cgit v1.2.1