[livecd-tools] Document the lzo compressor can be used.

[Bruno Wolff III]

commit cf6a3c0ddf6b38ec7cfbe7d66b2ce5e6c7072a66
Author: Bruno Wolff III <bruno at wolff.to>
Date:   Tue Sep 21 01:06:27 2010 -0500

    Document the lzo compressor can be used.

 livecd-tools.spec |    2 ++
 lzo.patch         |   26 ++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 0 deletions(-)
---
diff --git a/livecd-tools.spec b/livecd-tools.spec
index ce5764c..b5b8080 100644
--- a/livecd-tools.spec
+++ b/livecd-tools.spec
@@ -20,6 +20,7 @@ Patch1: regex.patch
 Patch2: menulabel.patch
 Patch3: devloop.patch
 Patch4: livecd-tools-034-newpath.patch
+Patch5: lzo.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 Requires: python-imgcreate = %{version}-%{release}
 Requires: mkisofs
@@ -69,6 +70,7 @@ like live image or appliances.
 %patch2 -p1
 %patch3 -p1
 %patch4 -p1
+%patch5 -p1
 
 %build
 make
diff --git a/lzo.patch b/lzo.patch
new file mode 100644
index 0000000..78c2077
--- /dev/null
+++ b/lzo.patch
@@ -0,0 +1,26 @@
+diff --git a/docs/livecd-creator.pod b/docs/livecd-creator.pod
+index e80a119..2c78892 100644
+--- a/docs/livecd-creator.pod
++++ b/docs/livecd-creator.pod
+@@ -43,7 +43,7 @@ Defines the file system label. The default is based on the configuration name.
+ =item --compression-type=COMPRESSOR
+ 
+ Specify a compressor recognized by mksquashfs. The default is gzip. lzma
+-currently requires a custom kernel to produce a functional image. If gzip
++currently requires a custom kernel to produce a functional image. lzo works with 2.6.36+ kernels, but will generally take up more space than using gzip. If gzip
+ is used, the -comp option is not passed to mksquashfs to allow the use of
+ older versions of mksquashfs.
+ 
+diff --git a/tools/livecd-creator b/tools/livecd-creator
+index d1727c5..d352d74 100755
+--- a/tools/livecd-creator
++++ b/tools/livecd-creator
+@@ -42,7 +42,7 @@ def parse_options(args):
+     imgopt.add_option("-f", "--fslabel", type="string", dest="fs_label",
+                       help="File system label (default based on config name)")
+     imgopt.add_option("", "--compression-type", type="string", dest="compress_type",
+-                      help="Compression type recognized by mksquashfs (default gzip, lzma needs custom kernel)",
++                      help="Compression type recognized by mksquashfs (default gzip, lzma needs custom kernel, lzo needs a 2.6.36+ kernel)",
+                       default="gzip")
+     parser.add_option_group(imgopt)
+