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#! /usr/bin/env nix-shell
#! nix-shell -i bash -p bash curl jq
set -euo pipefail
LATEST_VERSION=$(curl -L -s https://download.sysdig.com/scanning/sysdig-cli-scanner/latest_version.txt)
SUPPORTED_OPERATING_SYSTEMS=("linux" "darwin")
SUPPORTED_ARCHITECTURES=("x86_64" "aarch64")
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
VERSIONS_FILE="${SCRIPT_DIR}/sysdig-cli-scanner.versions.nix"
main() {
echo "{" > "$VERSIONS_FILE"
echo " version = \"${LATEST_VERSION}\";" >> "$VERSIONS_FILE"
for os in "${SUPPORTED_OPERATING_SYSTEMS[@]}"; do
for arch in "${SUPPORTED_ARCHITECTURES[@]}"; do
formatted_arch=$(formatArchitectureForURL "$arch")
download_url="https://download.sysdig.com/scanning/bin/sysdig-cli-scanner/${LATEST_VERSION}/${os}/${formatted_arch}/sysdig-cli-scanner"
file_hash=$(fetchFileHash "$download_url")
appendToVersionsFile "$VERSIONS_FILE" "$arch" "$os" "$download_url" "$file_hash"
done
done
echo "}" >> "$VERSIONS_FILE"
}
formatArchitectureForURL() {
local architecture="$1"
case "$architecture" in
x86_64) echo "amd64" ;;
aarch64) echo "arm64" ;;
*) echo "Unsupported architecture: $architecture" >&2; return 1 ;;
esac
}
fetchFileHash() {
local url="$1"
nix store prefetch-file --json "$url" | jq -r .hash
}
appendToVersionsFile() {
local file="$1"
local architecture="$2"
local operating_system="$3"
local url="$4"
local hash="$5"
cat >> "$file" << EOF
${architecture}-${operating_system} = {
url = "$url";
hash = "$hash";
};
EOF
}
main
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