wic: Add --compress-with command line option

Added -c/--compress-with command line option to 'wic create'
subcommand. This option is used to specify compressor
utility to compress the image produced by wic. gzip, bzip2 and
xz compressors are supported in this implementation.

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>

diff --git a/scripts/lib/image/help.py b/scripts/lib/image/help.py
index fe66548f0fbd9f3abfd4850ab1e4320f0e85638a..c8b2fab6d8c49cd28e4f3fbd5eaa25d57693e7aa 100644 (file)
--- a/scripts/lib/image/help.py
+++ b/scripts/lib/image/help.py
@@ -152,6 +152,7 @@ SYNOPSIS
         [-e | --image-name] [-s, --skip-build-check] [-D, --debug]
         [-r, --rootfs-dir] [-b, --bootimg-dir]
         [-k, --kernel-dir] [-n, --native-sysroot] [-f, --build-rootfs]
+        [-c, --compress-with]
 
 DESCRIPTION
     This command creates an OpenEmbedded image based on the 'OE
@@ -218,6 +219,9 @@ DESCRIPTION
     The -o option can be used to place the image in a directory with a
     different name and location.
 
+    The -c option is used to specify compressor utility to compress
+    an image. gzip, bzip2 and xz compressors are supported.
+
     The set of properties available for a given image type can be
     listed using the 'wic list' command.
 """

diff --git a/scripts/wic b/scripts/wic
index 7b0c3b2aa86136402880fe4113240a6faa404e41..8869fba0483b81a2703353f73bae99047fb1fdba 100755 (executable)
--- a/scripts/wic
+++ b/scripts/wic
@@ -105,6 +105,9 @@ def wic_create_subcommand(args, usage_str):
     parser.add_option("-p", "--skip-build-check", dest="build_check",
                       action="store_false", default=True, help="skip the build check")
     parser.add_option("-f", "--build-rootfs", action="store_true", help="build rootfs")
+    parser.add_option("-c", "--compress-with", choices=("gzip", "bzip2", "xz"),
+                      dest='compressor',
+                      help="compress image with specified compressor")
     parser.add_option("-D", "--debug", dest="debug", action="store_true",
                       default=False, help="output debug information")