Adding side stream changes to Maemian. Working to integrate full upstream libraries...

[maemian] / nokia-lintian / collection / changelog-file

diff --git a/nokia-lintian/collection/changelog-file b/nokia-lintian/collection/changelog-file
new file mode 100755 (executable)
index 0000000..71ff88e
--- /dev/null
+++ b/nokia-lintian/collection/changelog-file
@@ -0,0 +1,129 @@
+#!/usr/bin/perl -w
+# changelog-file -- lintian collector script
+
+# Copyright (C) 1998 Richard Braakman
+#
+# 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 of the License, 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, you can find it on the World Wide
+# Web at http://www.gnu.org/copyleft/gpl.html, or write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+use strict;
+
+($#ARGV == 1) or fail("syntax: changelog-file <pkg> <type>");
+my $pkg = shift;
+my $type = shift;
+
+-f "fields/package" or fail("changelog-file invoked in wrong directory");
+
+unlink("changelog");
+
+# Pick the first of these files that exists.
+my @changelogs = ("unpacked/usr/share/doc/$pkg/changelog.Debian.gz",
+              "unpacked/usr/share/doc/$pkg/changelog.Debian",
+              "unpacked/usr/share/doc/$pkg/changelog.debian.gz",
+              "unpacked/usr/share/doc/$pkg/changelog.debian",
+              "unpacked/usr/share/doc/$pkg/changelog.gz",
+              "unpacked/usr/share/doc/$pkg/changelog",
+              "unpacked/usr/doc/$pkg/changelog.Debian.gz",
+              "unpacked/usr/doc/$pkg/changelog.Debian",
+              "unpacked/usr/doc/$pkg/changelog.debian.gz",
+              "unpacked/usr/doc/$pkg/changelog.debian",
+              "unpacked/usr/doc/$pkg/changelog.gz",
+              "unpacked/usr/doc/$pkg/changelog");
+
+my $chl;
+
+for (@changelogs) {
+    if (-l $_ || -f $_) {
+       $chl = $_;
+       last;
+    }
+}
+
+# If the changelog file we found was a symlink, we have to be careful.  It
+# could be a symlink to some file outside of the laboratory and we don't want
+# to end up reading that file by mistake.  Relative links within the same
+# directory or to a subdirectory we accept; anything else is replaced by an
+# intentinally broken symlink so that checks can do the right thing.
+if (defined ($chl) && -l $chl) {
+    my $link = readlink $chl or fail("cannot readlink $chl: $!");
+    if ($link =~ /\.\./ || ($link =~ m%/% && $link !~ m%^[^/]+(/+[^/]+)*\z%)) {
+       symlink('file-is-in-another-package', 'changelog')
+           or fail("cannot create changelog symlink: $!");
+       undef $chl;
+    } elsif (! -f $chl) {
+        undef $chl;
+    }
+}
+
+# If the changelog was a broken symlink, it will be undefined and we'll now
+# treat it the same as if we didn't find a changelog and do nothing.  If it
+# was a symlink, copy the file, since otherwise the relative symlinks are
+# going to break things.
+if (not defined $chl) {
+    # no changelog found
+} elsif ($chl =~ /\.gz$/) {
+    use lib "$ENV{'LINTIAN_ROOT'}/lib";
+    use Pipeline;
+
+    pipeline((sub { exec 'gzip', '-dc', $chl }), "changelog") == 0
+       or fail("error in gzip");
+} elsif (-f $chl && -l $chl) {
+    local $_;
+    open (CHL, '<', $chl) or fail("cannot open $chl: $!");
+    open (COPY, '>', 'changelog') or fail("cannot create changelog: $!");
+    print COPY while <CHL>;
+    close CHL;
+    close COPY;
+} else {
+    link($chl, "changelog")
+       or fail("cannot link $chl to changelog: $!");
+}
+
+# Extract NEWS.Debian files as well, with similar precautious.  Ignore any
+# symlinks to other packages here; in that case, we just won't check the file.
+my $news = "unpacked/usr/share/doc/$pkg/NEWS.Debian.gz";
+if (-f $news) {
+    if (-l $news) {
+        my $link = readlink $news or fail("cannot readlink $chl: $!");
+        if ($link =~ /\.\./ || ($link =~ m%/% && $link !~ m%^[^/]+(/+[^/]+)*\z%)) {
+            undef $news;
+        } elsif (! -f $news) {
+            undef $news;
+        }
+    }
+    if ($news) {
+        use lib "$ENV{'LINTIAN_ROOT'}/lib";
+        use Pipeline;
+
+        pipeline((sub { exec 'gzip', '-dc', $news }), "NEWS.Debian") == 0
+            or fail("error in gzip");
+    }
+}
+
+exit 0;
+
+# -----------------------------------
+
+sub fail {
+    if ($_[0]) {
+        print STDERR "internal error: $_[0]\n";
+    } elsif ($!) {
+        print STDERR "internal error: $!\n";
+    } else {
+        print STDERR "internal error.\n";
+    }
+    exit 1;
+}