On Sat, Jan 30, 2021 at 7:02 PM Richard Purdie < richard.pur...@linuxfoundation.org> wrote:
> The tar output seems to vary depending on the version of tar used and > distro > configuration. Be explict about the output format to avoid this and be > determinstic. > Is it the tar format selection which isn't deterministic or something else when the format isn't set to gnu? I'm asking because gnu format isn't compatible with --xattrs used e.g. here: https://github.com/advancedtelematic/meta-updater/blob/d3a832f66e8802cb45536ff278d5c77f946d341d/classes/image_types_ostree.bbclass#L16 causing do_image_tar failing with: | tar: --xattrs can be used only on POSIX archives | Try 'tar --help' or 'tar --usage' for more information. I've already tested that --format=posix here would fix meta-updater, but not sure if it's still as deterministic as --format=gnu. Do you remember which distros were producing different output? Thanks > Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org> > --- > meta/classes/image_types.bbclass | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/meta/classes/image_types.bbclass > b/meta/classes/image_types.bbclass > index c937ae45384..76949d1051d 100644 > --- a/meta/classes/image_types.bbclass > +++ b/meta/classes/image_types.bbclass > @@ -110,7 +110,7 @@ IMAGE_CMD_squashfs-lz4 = "mksquashfs ${IMAGE_ROOTFS} > ${IMGDEPLOYDIR}/${IMAGE_NAM > > IMAGE_CMD_TAR ?= "tar" > # ignore return code 1 "file changed as we read it" as other tasks(e.g. > do_image_wic) may be hardlinking rootfs > -IMAGE_CMD_tar = "${IMAGE_CMD_TAR} --sort=name --numeric-owner -cf > ${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.tar -C ${IMAGE_ROOTFS} . > || [ $? -eq 1 ]" > +IMAGE_CMD_tar = "${IMAGE_CMD_TAR} --sort=name --format=gnu > --numeric-owner -cf ${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.tar > -C ${IMAGE_ROOTFS} . || [ $? -eq 1 ]" > > do_image_cpio[cleandirs] += "${WORKDIR}/cpio_append" > IMAGE_CMD_cpio () { > -- > 2.27.0 > > > > >
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