1 files changed, 77 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..add400e4d0e8
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/rust/rust-analyzer/update.sh
@@ -0,0 +1,77 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl jq nix-prefetch libarchive
+set -euo pipefail
+cd "$(dirname "$0")"
+owner=rust-analyzer
+repo=rust-analyzer
+nixpkgs=../../../../..
+
+# Update lsp
+
+ver=$(
+    curl -s "https://api.github.com/repos/$owner/$repo/releases" |
+    jq 'map(select(.prerelease | not)) | .[0].tag_name' --raw-output
+)
+old_ver=$(sed -nE 's/.*\bversion = "(.*)".*/\1/p' ./default.nix)
+if grep -q 'cargoSha256 = ""' ./default.nix; then
+    old_ver='broken'
+fi
+if [[ "$ver" == "$old_ver" ]]; then
+    echo "Up to date: $ver"
+    exit
+fi
+echo "$old_ver -> $ver"
+
+sha256=$(nix-prefetch -f "$nixpkgs" rust-analyzer-unwrapped.src --rev "$ver")
+# Clear cargoSha256 to avoid inconsistency.
+sed -e "s#version = \".*\"#version = \"$ver\"#" \
+    -e "/fetchFromGitHub/,/}/ s#sha256 = \".*\"#sha256 = \"$sha256\"#" \
+    -e "s#cargoSha256 = \".*\"#cargoSha256 = \"sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\"#" \
+    --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-instantiate --eval --strict "$nixpkgs" -A vscode.version | tr -d '"')"
+if [[ "$(nix-instantiate --eval --strict -E "(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
+
+extension_ver=$(curl "https://github.com/rust-analyzer/rust-analyzer/releases/download/$ver/rust-analyzer.vsix" -L |
+    bsdtar -xf - --to-stdout extension/package.json | # Use bsdtar to extract vsix(zip).
+    jq --raw-output '.version')
+echo "Extension version: $extension_ver"
+
+build_deps="../../../../misc/vscode-extensions/rust-analyzer/build-deps"
+# We need devDependencies to build vsix.
+# `esbuild` is a binary package an is already in nixpkgs so we omit it here.
+jq '{ name, version: $ver, dependencies: (.dependencies + .devDependencies | del(.esbuild)) }' "$node_src/package.json" \
+    --arg ver "$extension_ver" \
+    >"$build_deps/package.json.new"
+
+old_deps="$(jq '.dependencies' "$build_deps"/package.json)"
+new_deps="$(jq '.dependencies' "$build_deps"/package.json.new)"
+if [[ "$old_deps" == "$new_deps" ]]; then
+    echo "package.json dependencies not changed, do simple version change"
+
+    sed -E '/^  "rust-analyzer-build-deps/,+3 s/version = ".*"/version = "'"$extension_ver"'"/' \
+        --in-place ../../../node-packages/node-packages.nix
+    mv "$build_deps"/package.json{.new,}
+
+else
+    echo "package.json dependencies changed, updating nodePackages"
+    mv "$build_deps"/package.json{.new,}
+
+    pushd "../../../node-packages"
+    ./generate.sh
+    popd
+fi