Files
scylladb/tools/toolchain/prepare
Avi Kivity 43d3e91e56 tools: toolchain: prepare: use real bash associative array
When we translate from docker/go arch names to the kernel arch
names, we use an associative array hack using computed variable
names "{$!variable_name}". But it turns out bash has real
associative arrays, introduced with "declare -A". Use the to make
the code a little clearer.

Closes #11985
2022-11-16 08:17:47 +02:00

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#!/bin/bash -e
bv=$(buildah --version)
if (( $? != 0 )); then
echo install buildah 1.19.3 or later
exit 1
fi
# translate to array of version components
bv="${bv#buildah version }"
bv="${bv% (*}"
bv=(${bv//./ })
maj=${bv[0]}
min=${bv[1]}
patch=${bv[2]}
ok=$(( maj > 1 || ( maj == 1 && min > 19 ) || ( maj == 1 && min == 19 && patch >= 3 ) ))
if (( ! ok )); then
echo install buildah 1.19.3 or later
exit 1
fi
archs=(amd64 arm64 s390x)
# docker arch has a diffrent spelling than uname arch
declare -A arch_unames=(
[amd64]=x86_64
[arm64]=aarch64
[s390x]=s390x
)
for arch in "${archs[@]}"; do
# translate from docker arch to uname arch
arch_uname="${arch_unames[$arch]}"
if [[ "$(uname -m)" == "${arch_uname}" ]]; then
continue
fi
if [[ ! -f /proc/sys/fs/binfmt_misc/qemu-"${arch_uname}" ]]; then
echo install qemu-user-static
exit 1
fi
done
buildah bud "${archs[@]/#/--platform=linux/}" --jobs 0 --squash --no-cache --pull -f tools/toolchain/Dockerfile --manifest "$(<tools/toolchain/image)"
echo "Done building $(<tools/toolchain/image). You can now test it, and push with"
echo ""
echo " podman manifest push --all $(<tools/toolchain/image) docker://$(<tools/toolchain/image)"