df: Rewrite virt-df in C.

[libguestfs.git] / df / run-df-locally

diff --git a/df/run-df-locally b/df/run-df-locally
new file mode 100755 (executable)
index 0000000..2456ab5
--- /dev/null
+++ b/df/run-df-locally
@@ -0,0 +1,52 @@
+#!/usr/bin/perl
+# Copyright (C) 2009 Red Hat Inc.
+#
+# 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, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# This script sets up the environment so you can run virt-* tools in
+# place without needing to do 'make install' first. You can also run
+# the tools by creating a symlink to this script and putting it in
+# your path.
+#
+# Use it like this:
+#   ./run-df-locally [usual virt-df args ...]
+
+use strict;
+use warnings;
+
+use File::Basename qw(dirname);
+use File::Spec;
+use Cwd qw(abs_path);
+
+my $path = $0;
+
+# Follow symlinks until we get to the real file
+while(-l $path) {
+    my $link = readlink($path) or die "readlink: $path: $!";
+    if(File::Spec->file_name_is_absolute($link)) {
+        $path = $link;
+    } else {
+        $path = File::Spec->catfile(dirname($path), $link);
+    }
+}
+
+# Get the absolute path of the parent directory
+$path = abs_path(dirname($path).'/..');
+
+$ENV{LD_LIBRARY_PATH} = $path.'/src/.libs';
+$ENV{LIBGUESTFS_PATH} = $path.'/appliance';
+
+#print (join " ", ("$path/df/virt-df", @ARGV), "\n");
+exec("$path/df/virt-df", @ARGV);