no_comment

1 files changed, 68 insertions, 0 deletions

diff --git a/rpme b/rpme
new file mode 100644
index 00000000..a4a8cb99
--- /dev/null
+++ b/rpme
@@ -0,0 +1,68 @@
+#!/usr/bin/perl
+
+local $_ = join '', @ARGV;
+
+/-h/ || @ARGV == 0 and die "usage: rpme [-a] [--auto] <packages...>\n";
+
+$matches = /-a/;
+$auto = /-auto/;
+
+my $DIR = "/var/lib/urpmi";
+
+@l = grep { !/^-/ } @ARGV;
+if (!$matches) {
+    @m = map { chop; $_ } `rpm -q @l 2>&1`;
+    if ($?) {
+	$maymatch = "unknown package(s) " . join(", ", map { /package (\S+) is not installed/ ? $1 : () } @m) . "\n";
+	$auto || @l > 1 and die $maymatch;
+    }
+}
+if ($matches || $maymatch) {
+    my $match = join "|", @l;
+    @m = grep { /$match/ } map { chop; $_ } `rpm -qa`;
+
+    if ($maymatch) {
+	@m or die $maymatch;
+	print "Using $match as a substring, I found:\n@m\nRemove them all? (y/N) ";
+	<STDIN> =~ /y/i or exit 1;
+    }
+}
+
+load_provides();
+my %toremove; @toremove{$_, @{$provides{$_} || []}} = () foreach @m;
+my $changed = 1; while ($changed) { $changed = 0;
+    local *F;
+    open F, "rpm -e --test " . join(" ", keys %toremove) . " 2>&1 |";
+    foreach (<F>) {
+    	if (/package (\S+) is not installed/) {
+    	    delete $toremove{$1};
+    	} elsif (/is needed by (\S+)/ && ! exists $toremove{$1}) {
+    	    $toremove{$1} = 1;
+    	    $changed = 1;
+    	}
+    }
+}
+my @toremove = keys %toremove or die "nothing to remove\n";
+if (@toremove > @l && !$auto) {
+    my $sum = 0; map { $sum += $_ } `rpm -q --queryformat "%{SIZE}\n" @toremove`;
+    print "To satisfy dependencies, the following packages are going to be removed";
+    printf " (%d MB)", toMb($sum);
+    print ":\n@toremove\nIs it ok? (Y/n) ";
+    <STDIN> =~ /n/i and exit 0;
+}
+system("rpm", "-e", @toremove);
+
+
+sub load_provides {
+    local *F;
+    open F, "$DIR/depslist" or return;
+    foreach (<F>) {
+	my ($p, $size, @l) = split;
+	$size{$p} = $size;
+	push @{$provides{$_}}, $p foreach @l;
+    }
+}
+sub toMb {
+    my $nb = $_[0] / 1024 / 1024;
+    int $nb + 0.5;
+}