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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p bash gh gnugrep gnused
# shellcheck shell=bash
set -euo pipefail
dir="$(CDPATH="" cd "$(dirname "$0")" && pwd)"
pkg="$dir/package.nix"
if ! [ -e "$pkg" ]; then
echo "Unable to find package.nix"
exit 1
fi
old_vsn="$(grep --only-matching --perl-regexp 'version = "\K[^"]+' "$pkg")"
new_vsn="$(gh api repos/docker/sbx-releases/releases/latest --jq .tag_name | \
grep --only-matching --perl-regexp '\d+\.\d+\.\d+')"
if [ "$old_vsn" = "$new_vsn" ]; then
echo "No new version available, skipping"
exit 0
fi
echo "docker-sbx: $old_vsn -> $new_vsn"
fetch_arch () {
local vsn="$1" plat="$2" url hash
url="https://github.com/docker/sbx-releases/releases/download/v${vsn}/DockerSandboxes-${plat}.tar.gz"
hash="$(nix-prefetch-url --type sha256 "$url")";
nix-hash --to-sri --type sha256 "$hash"
}
declare -A hashes
declare -A platNames=(
["linux-amd64"]="x86_64-linux"
["linux-arm64"]="aarch64-linux"
["darwin"]="aarch64-darwin"
)
declare -a platforms=(
"linux-amd64"
"linux-arm64"
"darwin"
)
for plat in "${platforms[@]}"; do
hashes[$plat]="$(fetch_arch "$new_vsn" "$plat")"
done
declare -a sedArgs=(
-e 's:version = "'"$old_vsn"'":version = "'"$new_vsn"'":'
)
for plat in "${platforms[@]}"; do
p="${platNames[$plat]}"
sedArgs+=(
-e '0,/"'"$p"'" = / s:"'"$p"'" = .*;:"'"$p"'" = "'"${hashes[$plat]}"'";:'
)
done
sed -i "${sedArgs[@]}" "$pkg"
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