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path: root/pkgs/development/compilers/dotnet/print-hashes.sh
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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p curl jq

set -eu

release () {
  local content="$1"
  local version="$2"

  jq -r '.releases[] | select(."release-version" == "'"$version"'")' <<< "$content"
}

release_files () {
  local release="$1"
  local type="$2"

  jq -r '[."'"$type"'".files[] | select(.name | test("^.*.tar.gz$"))]' <<< "$release"
}

release_platform_attr () {
  local release_files="$1"
  local platform="$2"
  local attr="$3"

  jq -r '.[] | select(.rid == "'"$platform"'") | ."'"$attr"'"' <<< "$release_files"
}

platform_sources () {
  local release_files="$1"
  local platforms=( \
    "x86_64-linux   linux-x64" \
    "aarch64-linux  linux-arm64" \
    "x86_64-darwin  osx-x64" \
    "aarch64-darwin osx-arm64" \
  )

  echo "srcs = {"
  for kv in "${platforms[@]}"; do
    local nix_platform=${kv%% *}
    local ms_platform=${kv##* }

    local url=$(release_platform_attr "$release_files" "$ms_platform" url)
    local hash=$(release_platform_attr "$release_files" "$ms_platform" hash)

    [[ -z "$url" || -z "$hash" ]] && continue
    echo "      $nix_platform = {
        url     = \"$url\";
        sha512  = \"$hash\";
      }; "
    done
    echo "    };"
}

main () {
  pname=$(basename "$0")
  if [[ ! "$*" =~ ^.*[0-9]{1,}\.[0-9]{1,}.*$ ]]; then
    echo "Usage: $pname [sem-versions]
Get updated dotnet src (platform - url & sha512) expressions for specified versions

Examples:
  $pname 3.1.21 5.0.12    - specific x.y.z versions
  $pname 3.1 5.0 6.0      - latest x.y versions
" >&2
    exit 1
  fi

  for sem_version in "$@"; do
    patch_specified=false
    if [[ "$sem_version" =~ ^[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}$ ]]; then
        patch_specified=true
    elif [[ ! "$sem_version" =~ ^[0-9]{1,}\.[0-9]{1,}$ ]]; then
        continue
    fi

    major_minor=$(sed 's/^\([0-9]*\.[0-9]*\).*$/\1/' <<< "$sem_version")
    content=$(curl -sL https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/"$major_minor"/releases.json)
    major_minor_patch=$([ "$patch_specified" == true ] && echo "$sem_version" || jq -r '."latest-release"' <<< "$content")

    release_content=$(release "$content" "$major_minor_patch")
    aspnetcore_version=$(jq -r '."aspnetcore-runtime".version' <<< "$release_content")
    runtime_version=$(jq -r '.runtime.version' <<< "$release_content")
    sdk_version=$(jq -r '.sdk.version' <<< "$release_content")

    aspnetcore_files="$(release_files "$release_content" "aspnetcore-runtime")"
    runtime_files="$(release_files "$release_content" "runtime")"
    sdk_files="$(release_files "$release_content" "sdk")"

    major_minor_underscore=${major_minor/./_}
    channel_version=$(jq -r '."channel-version"' <<< "$content")
    support_phase=$(jq -r '."support-phase"' <<< "$content")
    echo "
  # v$channel_version ($support_phase)
  aspnetcore_$major_minor_underscore = buildAspNetCore {
    version = \"${aspnetcore_version}\";
    $(platform_sources "$aspnetcore_files")
  };

  runtime_$major_minor_underscore = buildNetRuntime {
    version = \"${runtime_version}\";
    $(platform_sources "$runtime_files")
  };

  sdk_$major_minor_underscore = buildNetSdk {
    version = \"${sdk_version}\";
    $(platform_sources "$sdk_files")
  }; "
  done
}

main "$@"