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