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path: root/pkgs/development/compilers/dotnet/source/update.sh
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#!/usr/bin/env nix-shell
#!nix-shell -I nixpkgs=./. -i bash -p curl jq nix yq gnupg
set -euo pipefail

updateSdk() {
  tag=${1-}

  if [[ -n $tag ]]; then
    query=$(cat <<EOF
            map(
                select(
                    (.tag_name == "$tag"))) |
            first
EOF
         )
  else
    sdkVersionPrefix=$channel.1

    query=$(cat <<EOF
            map(
                select(
                    .draft == false and
                    (.tag_name | startswith("v$sdkVersionPrefix")))) |
            first
EOF
         )
  fi

  query="$query "$(cat <<EOF
        | (
            .tag_name,
            (.assets |

      .[] |
                select(.name == "release.json") |
                .browser_download_url),
            (.assets |
                .[] |
                select(.name | endswith(".tar.gz.sig")) |
                .browser_download_url))
EOF
       )

  (
    curl -fsSL https://api.github.com/repos/dotnet/dotnet/releases | \
      jq -er "$query" \
      ) | (
    read tagName
    read releaseUrl
    read sigUrl

    release=${tagName#*.*.}
    band=${release:0:1}xx

    output="$(dirname "${BASH_SOURCE[0]}")"/../"$channel"

    if [[ $band != 1xx ]]; then
      output+=/$band
    fi

    mkdir -p "$output"

    [[ ! -e "$output"/release.json || $(jq -r .tag "$output"/release.json) != "$tagName" ]] || {
      >&2 echo "release is already $tagName"
      exit
    }

    # TMPDIR might be really long, which breaks gpg
    tmp="$(TMPDIR=/tmp mktemp -d)"
    trap 'rm -rf "$tmp"' EXIT

    cd "$tmp"

    curl -fsSL "$releaseUrl" -o release.json

    tarballUrl=https://github.com/dotnet/dotnet/archive/refs/tags/$tagName.tar.gz

    mapfile -t prefetch < <(nix-prefetch-url --print-path "$tarballUrl")
    tarballHash=$(nix-hash --to-sri --type sha256 "${prefetch[0]}")
    tarball=${prefetch[1]}

    # recent dotnet 10 releases don't have a signature for the github tarball
    if [[ ! $sigUrl = */dotnet-source-* ]]; then
      curl -fssL "$sigUrl" -o release.sig
      curl -fssLO https://dotnet.microsoft.com/download/dotnet/release-key-2023.asc
      echo '17aebc401e7999dd0642fa06d23780eba15bd916ebb118454f34db5c85f7194a  release-key-2023.asc' |
        sha256sum -c

      (
        export GNUPGHOME=$PWD/.gnupg
        mkdir -m 700 -p $GNUPGHOME
        trap 'gpgconf --kill all' EXIT
        gpg --no-autostart --batch --import release-key-2023.asc
        gpg --no-autostart --batch --verify release.sig "$tarball"
      )
    fi

    getProperty() {
      xq -er ".Project.PropertyGroup | add | .$1" "$2"
    }

    tar --strip-components=1 --no-wildcards-match-slash --wildcards -xzf "$tarball" \*/eng/Versions.props \*/global.json \*/prep\*.sh
    set +e
    artifactsVersion=$(getProperty PrivateSourceBuiltArtifactsVersion eng/Versions.props)
    rc=$?
    set -e

    if [[ $rc == 0 ]]; then
      artifactVar=$(grep ^defaultArtifactsRid= prep-source-build.sh)
      eval "$artifactVar"

      artifactsFile=Private.SourceBuilt.Artifacts.$artifactsVersion.$defaultArtifactsRid.tar.gz

      dotnetBuildUrl=https://builds.dotnet.microsoft.com/

      if [[ $major -ge 10 ]]; then
        dotnetBuildUrl+=dotnet/source-build
      else
        dotnetBuildUrl+=source-built-artifacts/assets
      fi

      artifactsUrl=$dotnetBuildUrl/$artifactsFile

      curl -fsSL "$artifactsUrl" --head || {
        [[ $? == 22 ]]
        artifactsUrl=https://ci.dot.net/public/source-build/$artifactsFile
      }
    elif [[ $rc == 1 ]]; then
      artifactsUrl=$(getProperty PrivateSourceBuiltArtifactsUrl eng/Versions.props)
      artifactsUrl="${artifactsUrl/dotnetcli.azureedge.net/builds.dotnet.microsoft.com}"
    else
      exit $rc
    fi

    artifactsHash=$(nix-prefetch-url "$artifactsUrl")
    artifactsHash=$(nix-hash --to-sri --type sha256 "$artifactsHash")

    sdkVersion=$(jq -er .tools.dotnet global.json)

    # below needs to be run in nixpkgs because toOutputPath uses relative paths
    cd -

    cp "$tmp"/release.json "$output"

    jq --null-input \
       --arg _0 "$tarballHash" \
       --arg _1 "$artifactsUrl" \
       --arg _2 "$artifactsHash" \
       '{
          "tarballHash": $_0,
          "artifactsUrl": $_1,
          "artifactsHash": $_2,
        }' > "$output"/release-info.json

    if [[ $band == 1xx ]]; then
      getBootstrap() {
        pkgs/development/compilers/dotnet/binary/update.sh \
          -o "$output"/bootstrap-sdk.nix --vmr-bootstrap --sdk "$1" >&2
      }

      getBootstrap "$sdkVersion" || if [[ $? == 2 ]]; then
        >&2 echo "WARNING: bootstrap sdk missing, attempting to bootstrap with self"
        getBootstrap "$(jq -er .sdkVersion "$tmp"/release.json)"
      else
        exit 1
      fi

      $(nix-build -A dotnetCorePackages.dotnet_$major.vmr.fetch-deps --no-out-link) >&2
    fi
  )
}

while [ $# -gt 0 ]; do
  channel="$1"
  shift

  major="${channel%.*}"

  if [[ $major -lt 8 ]]; then
    >&2 echo "dotnet $major has no vmr"
    continue
  fi

  curl -fsSL https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/"$channel"/releases.json |
    jq -r '.releases[0].sdks.[] | .version' | {
    while read sdk; do
      if [[ $major -lt 10 && $sdk != *.*.1* ]]; then
        >&2 echo "sdk $sdk has no vmr"
        continue
      fi

      updateSdk v"$sdk"
    done
  }
done