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release: avoid sparse-file handling for container image layers

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This improves compatiblity with Podman. See
https://github.com/containers/podman/issues/25270 for details.

Differential Revision:  https://reviews.freebsd.org/D49821
This commit is contained in:
Doug Rabson
2025-04-15 22:00:50 +00:00
committed by Dave Cottlehuber
parent c594920250
commit 3a79ca6553
1 changed files with 7 additions and 2 deletions
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release/scripts/make-oci-image.sh
+7 -2
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@@ -95,8 +95,13 @@ commit_container() {
local image=$1; shift local image=$1; shift
local output=$1; shift local output=$1; shift
# Note: the diff_id (needed for image config) is the hash of the uncompressed tar # Note: the diff_id (needed for image config) is the hash of the
tar -C ${workdir}/rootfs --strip-components 1 -cf ${workdir}/rootfs.tar . # uncompressed tar.
#
# For compatibility with Podman, we must disable sparse-file
# handling. See https://github.com/containers/podman/issues/25270 for
# more details.
tar -C ${workdir}/rootfs --strip-components 1 --no-read-sparse -cf ${workdir}/rootfs.tar .
local diff_id=$(sha256 -q < ${workdir}/rootfs.tar) local diff_id=$(sha256 -q < ${workdir}/rootfs.tar)
gzip -f ${workdir}/rootfs.tar gzip -f ${workdir}/rootfs.tar
local create_time=$(date -u +%Y-%m-%dT%TZ) local create_time=$(date -u +%Y-%m-%dT%TZ)