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| author |   Patrick Ohly <patrick.ohly@intel.com> | 2015-08-14 16:59:04 +0200 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2015-08-19 17:57:48 +0100 |
| commit | d8db122114f4d0600b662f79b3673108b4b6c0b7 (patch) | |
| tree | 12ec5b019bc6feeedba1f279216fd459d01c7bb0 | |
| parent | e6fee3ddb5600fc564243a96d6232b4ae097df32 (diff) | |
| download | openembedded-core-contrib-d8db122114f4d0600b662f79b3673108b4b6c0b7.tar.gz | |
image_types.bbclass: allow replacing tar command
Usually, the host's tar command is sufficient. However, special cases
like archiving xattrs depend on a modern GNU tar version. The new
IMAGE_CMD_TAR makes that possible, with xattrs given as example.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
| -rw-r--r-- | meta/classes/image_types.bbclass | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass index 35ceb7beaf..8547574a1d 100644 --- a/meta/classes/image_types.bbclass +++ b/meta/classes/image_types.bbclass @@ -71,7 +71,19 @@ IMAGE_CMD_btrfs () { IMAGE_CMD_squashfs = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs ${EXTRA_IMAGECMD} -noappend" IMAGE_CMD_squashfs-xz = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-xz ${EXTRA_IMAGECMD} -noappend -comp xz" IMAGE_CMD_squashfs-lzo = "mksquashfs ${IMAGE_ROOTFS} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.squashfs-lzo ${EXTRA_IMAGECMD} -noappend -comp lzo" -IMAGE_CMD_tar = "tar -cvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar -C ${IMAGE_ROOTFS} ." + +# By default, tar from the host is used, which can be quite old. If +# you need special parameters (like --xattrs) which are only supported +# by GNU tar upstream >= 1.27, then override that default: +# IMAGE_CMD_TAR = "tar --xattrs --xattrs-include=*" +# IMAGE_DEPENDS_tar_append = " tar-replacement-native" +# EXTRANATIVEPATH += "tar-native" +# +# The GNU documentation does not specify whether --xattrs-include is necessary. +# In practice, it turned out to be not needed when creating archives and +# required when extracting, but it seems prudent to use it in both cases. +IMAGE_CMD_TAR ?= "tar" +IMAGE_CMD_tar = "${IMAGE_CMD_TAR} -cvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar -C ${IMAGE_ROOTFS} ." do_rootfs[cleandirs] += "${WORKDIR}/cpio_append" IMAGE_CMD_cpio () { |