1 files changed, 41 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/dotnet-modules/python-language-server/updater.sh b/nixpkgs/pkgs/development/dotnet-modules/python-language-server/updater.sh
new file mode 100755
index 000000000000..3e82ad842132
--- /dev/null
+++ b/nixpkgs/pkgs/development/dotnet-modules/python-language-server/updater.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p gnused jq common-updater-scripts nuget-to-nix dotnet-sdk_3 nix-prefetch-git
+set -eo pipefail
+cd "$(dirname "${BASH_SOURCE[0]}")"
+
+deps_file="$(realpath ./deps.nix)"
+
+nix-prefetch-git https://github.com/microsoft/python-language-server --quiet > repo_info
+new_version="$(jq -r ".date" < repo_info | cut -d"T" -f1)"
+new_hash="$(jq -r ".sha256" < repo_info)"
+new_rev="$(jq -r ".rev" < repo_info)"
+rm repo_info
+
+old_rev="$(sed -nE 's/\s*rev = "(.*)".*/\1/p' ./default.nix)"
+
+if [[ $new_rev == $old_rev ]]; then
+  echo "Already up to date!"
+  exit 0
+fi
+
+pushd ../../../..
+
+update-source-version python-language-server "$new_version" "$new_hash" --rev="$new_rev"
+store_src="$(nix-build -A python-language-server.src --no-out-link)"
+src="$(mktemp -d /tmp/pylang-server-src.XXX)"
+cp -rT "$store_src" "$src"
+chmod -R +w "$src"
+
+pushd "$src"
+
+export DOTNET_NOLOGO=1
+export DOTNET_CLI_TELEMETRY_OPTOUT=1
+
+mkdir ./nuget_pkgs
+dotnet restore src/LanguageServer/Impl/Microsoft.Python.LanguageServer.csproj --packages ./nuget_pkgs
+
+nuget-to-nix ./nuget_pkgs > "$deps_file"
+
+trap ''
+  rm -r "$src"
+'' EXIT