1 files changed, 61 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/rust/rust-analyzer/update.sh b/nixpkgs/pkgs/development/tools/rust/rust-analyzer/update.sh
new file mode 100755
index 000000000000..929112542596
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/rust/rust-analyzer/update.sh
@@ -0,0 +1,61 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl jq nix-prefetch
+set -euo pipefail
+cd "$(dirname "$0")"
+owner=rust-analyzer
+repo=rust-analyzer
+nixpkgs=../../../../..
+
+# Update lsp
+
+rev=$(
+    curl -s "https://api.github.com/repos/$owner/$repo/releases" |
+    jq 'map(select(.prerelease | not)) | .[0].tag_name' --raw-output
+)
+old_rev=$(sed -nE 's/.*\brev = "(.*)".*/\1/p' ./default.nix)
+if grep -q 'cargoSha256 = ""' ./default.nix; then
+    old_rev='broken'
+fi
+if [[ "$rev" == "$old_rev" ]]; then
+    echo "Up to date: $rev"
+    exit
+fi
+echo "$old_rev -> $rev"
+
+sha256=$(nix-prefetch -f "$nixpkgs" rust-analyzer-unwrapped.src --rev "$rev")
+# Clear cargoSha256 to avoid inconsistency.
+sed -e "s/rev = \".*\"/rev = \"$rev\"/" \
+    -e "s/sha256 = \".*\"/sha256 = \"$sha256\"/" \
+    -e "s/cargoSha256 = \".*\"/cargoSha256 = \"\"/" \
+    --in-place ./default.nix
+node_src="$(nix-build "$nixpkgs" -A rust-analyzer.src --no-out-link)/editors/code"
+
+# Check vscode compatibility
+req_vscode_ver="$(jq '.engines.vscode' "$node_src/package.json" --raw-output)"
+req_vscode_ver="${req_vscode_ver#^}"
+cur_vscode_ver="$(nix eval --raw -f "$nixpkgs" vscode.version)"
+if [[ "$(nix eval "(builtins.compareVersions \"$req_vscode_ver\" \"$cur_vscode_ver\")")" -gt 0 ]]; then
+    echo "vscode $cur_vscode_ver is incompatible with the extension requiring ^$req_vscode_ver"
+    exit 1
+fi
+
+echo "Prebuilding for cargoSha256"
+cargo_sha256=$(nix-prefetch "{ sha256 }: (import $nixpkgs {}).rust-analyzer-unwrapped.cargoDeps.overrideAttrs (_: { outputHash = sha256; })")
+sed "s/cargoSha256 = \".*\"/cargoSha256 = \"$cargo_sha256\"/" \
+    --in-place ./default.nix
+
+# Update vscode extension
+
+build_deps="../../../../misc/vscode-extensions/rust-analyzer/build-deps"
+# We need devDependencies to build vsix.
+jq '{ name, version, dependencies: (.dependencies + .devDependencies) }' "$node_src/package.json" \
+    >"$build_deps/package.json"
+
+# FIXME: Lock the version of @type/vscode, the latest one (1.43.0) will cause build failure.
+vscode_lock_ver="$(jq '.dependencies."@types/vscode".version' --raw-output "$node_src/package-lock.json")"
+jq '.dependencies."@types/vscode" = "'$vscode_lock_ver'"' "$build_deps/package.json" >"$build_deps/package.json.new"
+mv "$build_deps"/package.json{.new,}
+
+pushd "../../../node-packages"
+./generate.sh
+popd