163 lines
4.6 KiB
Bash
Executable file
163 lines
4.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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function usage() {
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{
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echo "${0} - query Azure CLI extension index"
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echo
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echo "The Azure CLI extension index contains all versions of all extensions. This"
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echo "script queries the index for the latest version of an extensions that is"
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echo "compatible with the specified version of the Azure CLI. Data for that extension"
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echo "is filtered for fields relevant to package the extension in Nix."
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echo
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echo "Usage:"
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echo " --cli-version=<version> version of azure-cli (required)"
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echo " --extension=<name> name of extension to query"
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echo " --file=<path> path to extension index file"
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echo " --download download extension index file"
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echo " --nix output Nix expression"
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echo " --requirements=<true/false> filter for extensions with/without requirements"
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} >&2
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}
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for arg in "$@"; do
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case "$arg" in
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--cli-version=*)
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cliVer="${arg#*=}"
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shift
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;;
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--extension=*)
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extName="${arg#*=}"
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shift
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;;
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--file=*)
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extensionFile="${arg#*=}"
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shift
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;;
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--download)
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download=true
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shift
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;;
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--nix)
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nix=true
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shift
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;;
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--requirements=*)
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requirements="${arg#*=}"
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shift
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;;
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--help)
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usage
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exit 0
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;;
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*)
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echo "Unknown argument: $arg" >&2
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exit 1
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;;
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esac
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done
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if [[ -z "${cliVer:-}" ]]; then
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echo "Missing --cli-version argument" >&2
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exit 1
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fi
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if [[ -z "${extensionFile:-}" && -z "${download:-}" ]]; then
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echo "Either --file or --download must be specified" >&2
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exit 1
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fi
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if [[ -n "${extName:-}" && -n "${requirements:-}" ]]; then
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echo "--requirements can only be used when listing all extensions" >&2
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exit 1
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fi
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if [[ "${download:-}" == true ]]; then
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extensionFile="$(mktemp)"
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echo "Downloading extensions index to ${extensionFile}" >&2
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curl -fsSL "https://azcliextensionsync.blob.core.windows.net/index1/index.json" > "${extensionFile}"
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fi
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# shellcheck disable=SC2016
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jqProgram='
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def opt(f):
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. as $in | try f catch $in
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;
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def version_to_array:
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sub("\\+.*$"; "")
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| capture("^(?<v>[^a-z-]+)(?:(?<p>.*))?") | [.v, .p // empty]
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| map(split(".")
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| map(opt(tonumber)))
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| flatten
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;
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def version_le($contstraint):
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version_to_array as $v
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| $contstraint | version_to_array as $c
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| $v[0] < $c[0] or
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($v[0] == $c[0] and $v[1] < $c[1]) or
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($v[0] == $c[0] and $v[1] == $c[1] and $v[2] < $c[2]) or
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($v[0] == $c[0] and $v[1] == $c[1] and $v[2] == $c[2] and $v[3] <= $c[3])
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;
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def max_constrained_version($constraint):
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[
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.[] | select(.metadata."azext.minCliCoreVersion" // "0.0.0" | version_le($cliVer))
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]
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| sort_by(.metadata.version | version_to_array)
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| last
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;
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def translate_struct:
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{
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pname : .metadata.name,
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description: .metadata.summary,
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version: .metadata.version,
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url: .downloadUrl,
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sha256: .sha256Digest,
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license: .metadata.license,
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requires: .metadata.run_requires.[0].requires
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}
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;
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def to_nix:
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[.].[] as $in
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| .version as $version
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| .description as $description
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| .url | sub($version;"${version}") as $url
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| $description |rtrimstr(".") as $description
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| $in.pname + " = mkAzExtension rec {\n" +
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" pname = \"" + $in.pname + "\";\n" +
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" version = \"" + $in.version + "\";\n" +
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" url = \"" + $url + "\";\n" +
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" sha256 = \"" + $in.sha256 + "\";\n" +
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" description = \"" + $description + "\";\n" +
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"};"
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;
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def main:
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.extensions
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| map(max_constrained_version($cliVer))
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| .[]
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| translate_struct
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| if $extName != "" then
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select(.pname == $extName)
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elif $requirements == "false" then
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select(.requires == null)
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elif $requirements == "true" then
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select(.requires != null)
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end
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| if $nix == "true" then
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to_nix
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end
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;
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main
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'
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jq -r \
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--arg cliVer "${cliVer}" \
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--arg extName "${extName:-}" \
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--arg nix "${nix:-}" \
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--arg requirements "${requirements:-}" \
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"$jqProgram" "${extensionFile}"
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