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authorPatrick Ohly <patrick.ohly@intel.com>2016-03-07 15:51:14 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-03-09 16:36:31 +0000
commit588f14370372a66329b54606071175519ce88f1e (patch)
tree5301fde1dacad6e1c099fbd0c6d1ae59e762a203 /meta-selftest
parent0d02159c8d66bb136f7da2c10fda7d1a57f40cec (diff)
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image.bbclass: support chaining compression (aka conversion) commands
It makes sense to use the compression mechanism also for conversion, for example of a whole-disk image into .vdi (VirtualBox). That part already works, like this: COMPRESSIONTYPES_append = " vdi" COMPRESS_CMD_vdi = "qemu-img convert -O vdi ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type} ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type}.vdi" IMAGE_DEPENDS_vdi = "qemu-native" But then it also makes sense to allow compressing the resulting image, which only works after enhancing the image.bbclass. For example, suppose a custom image command produces "dsk" images. Then it becomes possible to set IMAGE_FSTYPES = " dsk.xz dsk.vdi.xz" and do_image_dsk will automatically produce the intermediate images, convert to dsk.xz resp. dsk.vdi -> dsk.vdi.xz and delete all intermediate images. Symlinks are also set correctly. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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