77 lines
1.6 KiB
Bash
Executable File
77 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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# slimy-update-snap.sh $old_snap $new_snap
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set -eux
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src="$(dirname "$(dirname "$(readlink -f "${0}")")")"
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old="$(readlink -f "${1}")"
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new="$(readlink -f "${2}")"
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tmpdir="$(mktemp -d)"
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cd "${tmpdir}"
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_MOUNTS=()
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do_mount_existing () {
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local mountpoint="${!#}"
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mount "$@"
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_MOUNTS=("${mountpoint}" "${_MOUNTS[@]+"${_MOUNTS[@]}"}")
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}
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do_mount () {
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local mountpoint="${!#}"
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mkdir "${mountpoint}"
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do_mount_existing "$@"
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}
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add_overlay() {
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local lower="$1"
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local mountpoint="$2"
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local work="$(mktemp -dp "${tmpdir}")"
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if [ -n "${3-}" ]; then
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local upper="${3}"
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else
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local upper="$(mktemp -dp "${tmpdir}")"
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fi
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chmod go+rx "${work}" "${upper}"
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do_mount -t overlay overlay \
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-o lowerdir="${lower}",upperdir="${upper}",workdir="${work}" \
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"${mountpoint}"
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}
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cleanup () {
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for m in "${_MOUNTS[@]+"${_MOUNTS[@]}"}"; do
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umount "${m}"
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done
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rm -rf "${tmpdir}"
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}
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trap cleanup EXIT
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do_mount $old old
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add_overlay old new
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rm -rf new/lib/python3.10/site-packages/curtin
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if [ -d new/lib/python3.10/site-packages/subiquity ] ; then
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subiquity_dest=new/lib/python3.10/site-packages
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elif [ -d new/bin/subiquity/subiquity ] ; then
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subiquity_dest=new/bin/subiquity
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else
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echo "unrecognized snap" >&2
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exit 1
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fi
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rm -rf "${subiquity_dest}/subiquity"
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rm -rf "${subiquity_dest}/subiquitycore"
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(cd "${src}" && ./scripts/update-part.py curtin)
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rsync -a --chown 0:0 $src/curtin/curtin new/lib/python3.10/site-packages
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rsync -a --chown 0:0 $src/subiquity $src/subiquitycore $subiquity_dest
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snapcraft pack new --output $new
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