.github/ISSUE_TEMPLATE/bug_report.md

@@ -13,18 +13,11 @@ For hints on what information is helpful, see: https://clangd.llvm.org/troublesh
 If you can, provide a minimal chunk of code that shows the problem (either inline, or attach it if larger).
 
 **Logs**
-
 Please attach the clangd stderr log if you can. (Usually available from the editor)
 If possible, run with `--log=verbose` - note that the logs will include the contents of open files!
 If this is a crash, try to put `llvm-symbolizer` on your PATH per the troubleshooting instructions.
-(If you're using Windows, place the associated PDB file (debug symbols) in the same directory as
-clangd.exe and rerun again. For official releases, download symbols from the
-[release page](https://github.com/clangd/clangd/releases).)
 
 **System information**
-
 Output of `clangd --version`:
-
 Editor/LSP plugin:
-
 Operating system:

.github/ISSUE_TEMPLATE/config.yml

@@ -1,4 +0,0 @@
-contact_links:
-   - name: Questions and discussions
-     url: https://github.com/clangd/clangd/discussions
-     about: Usage questions, ideas and proposals

.github/ISSUE_TEMPLATE/release_cherrypick.md

@@ -1,13 +0,0 @@
----
-name: Cherry-pick for release
-about: Nominate a bug fix to be backported to the current release branch
-title: 'Cherrypick: '
-labels: cherrypick
-assignees: ''
-
----
-
-Commit:
--  llvm/llvm-project@
-
-Why is this important or safe?

.github/actions/pick/action.yml

@@ -0,0 +1,15 @@
+name: 'Pick commit'
+description: 'Pick last successful commit from a repo'
+inputs:
+  repo:
+    description: 'Github repository e.g. llvm/llvm-project'
+    required: true
+  token:
+    description: 'Github auth token'
+    required: true
+outputs:
+  sha:
+    description: 'The SHA1 of the picked commit'
+runs:
+  using: 'node12'
+  main: 'index.js'

.github/actions/pick/index.js

@@ -0,0 +1,18 @@
+const core = require('@actions/core');
+const last = require('last-successful-gh-commit').default;
+try {
+  var parts = core.getInput('repo').split('/', 2);
+  last({
+    owner: parts[0],
+    name: parts[1],
+    token: core.getInput('token'),
+  })
+  .then(commit => core.setOutput('sha', commit.node.oid))
+  .catch(error => {
+    console.error(error);
+    core.setFailed(error.message);
+  });
+} catch (error) {
+  console.error(error);
+  core.setFailed(error.message);
+}

.github/actions/pick/package-lock.json

@@ -0,0 +1,56 @@
+{
+  "name": "pick",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@actions/core": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.2.tgz",
+      "integrity": "sha512-IbCx7oefq+Gi6FWbSs2Fnw8VkEI6Y4gvjrYprY3RV//ksq/KPMlClOerJ4jRosyal6zkUIc8R9fS/cpRMlGClg=="
+    },
+    "axios": {
+      "version": "0.16.2",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.16.2.tgz",
+      "integrity": "sha1-uk+S8XFn37q0CYN4VFS5rBScPG0=",
+      "requires": {
+        "follow-redirects": "^1.2.3",
+        "is-buffer": "^1.1.5"
+      }
+    },
+    "debug": {
+      "version": "3.2.6",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+      "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+      "requires": {
+        "ms": "^2.1.1"
+      }
+    },
+    "follow-redirects": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.10.0.tgz",
+      "integrity": "sha512-4eyLK6s6lH32nOvLLwlIOnr9zrL8Sm+OvW4pVTJNoXeGzYIkHVf+pADQi+OJ0E67hiuSLezPVPyBcIZO50TmmQ==",
+      "requires": {
+        "debug": "^3.0.0"
+      }
+    },
+    "is-buffer": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
+      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
+    },
+    "last-successful-gh-commit": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/last-successful-gh-commit/-/last-successful-gh-commit-1.0.1.tgz",
+      "integrity": "sha1-8Mn8HfEvb764g/5vrcy3W4p5EVo=",
+      "requires": {
+        "axios": "^0.16.2"
+      }
+    },
+    "ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+    }
+  }
+}

.github/actions/pick/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "pick",
+  "version": "1.0.0",
+  "description": "Pick the last successful commit from a github repo",
+  "main": "index.js",
+  "scripts": {},
+  "keywords": [],
+  "author": "sam.mccall@gmail.com",
+  "license": "Apache-2.0",
+  "dependencies": {
+    "@actions/core": "^1.2.2",
+    "last-successful-gh-commit": "^1.0.1"
+  }
+}

.github/workflows/autobuild.yaml

@@ -1,205 +1,78 @@
-# Workflow to build binaries and release them.
-# Triggered by the schedule or manual dispatch, which might include
-# `<owner/llvm-project>@<full-sha>`.
+# Workflow to build binaries for a release.
+# Triggered by release creation, which should include `llvm-project@<full-sha>`.
 #
 # Because the build takes more than an hour, our GITHUB_TOKEN credentials may
 # expire. A token `secrets.RELEASE_TOKEN` must exist with public_repo scope.
 name: Build release binaries
-env:
-  ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
 on:
-  # Run weekly on sunday at 21:37 UTC (arbitrary)
-  schedule:
-  - cron: '37 21 * * SUN'
-  workflow_dispatch:
-    inputs:
-      commit:
-        description: 'Commit to build from'
-        required: true
-      repo:
-        description: 'Repository to build from'
-        required: true
-        default: 'llvm/llvm-project'
-      release_name:
-        description: 'Release name'
-        required: true
-      tag:
-        description: 'Tag name'
-        required: true
-      description:
-        description: 'Release description'
-        required: true
+  release:
+    types: created
 jobs:
-  schedule_environment:
-    name: Create default build environment
+  prepare:
     runs-on: ubuntu-latest
-    if: ${{ github.event_name == 'schedule' }}
     steps:
-    - name: Install deps
+    - name: Find LLVM commit
       run: |
-        sudo apt-get install jq
-    - name: Clone scripts
-      uses: actions/checkout@v2
-    # Choose the commit to build a release from.
-    #
-    # We want to avoid unbuildable revisions: choose the last green from CI.
-    # FIXME: The criteria should be some consistent set of buildbots passing.
-    # Use clangd/actions/pick after
-    # https://github.com/ramasilveyra/last-successful-gh-commit/issues/2 has
-    # been addressed.
-    - name: Get commit hash for LLVM head
+        grep -m 1 -o "llvm-project@[[:xdigit:]]\{40,\}" << EOF | cut -f 2 -d@ > commit
+        ${{ github.event.release.body }}
+        EOF
+    - name: Mark as draft
       run: >
-        COMMIT=$(curl --fail --show-error
-        "https://api.github.com/repos/llvm/llvm-project/commits/main" |
-        jq ".sha" -r)
-
-        echo "LLVM_COMMIT=$COMMIT" >> $GITHUB_ENV
-    - name: Compute release info
-      run: |
-        echo "RELEASE_COMMIT_SHORT=$(printf '%.12s' ${{ env.LLVM_COMMIT }})" >> $GITHUB_ENV
-        echo "RELEASE_DATE=$(date -u +%Y%m%d)" >> $GITHUB_ENV
-        echo "LLVM_REPO=llvm/llvm-project" >> commit.env
-        echo "LLVM_COMMIT=${{ env.LLVM_COMMIT }}" >> commit.env
-    - name: Use date as the tag name
-      run: >
-        echo "TAG_NAME=snapshot_${{ env.RELEASE_DATE }}" >> commit.env
-    - name: Use date and release commit as release name
-      run: >
-        echo "RELEASE_NAME=${{ env.RELEASE_DATE }} @${{ env.RELEASE_COMMIT_SHORT }}" >> commit.env
-    - name: Generate default release description
-      run: >
-        echo "RELEASE_DESCRIPTION=Unstable snapshot of clangd on ${{ env.RELEASE_DATE }}." >> commit.env
-    - name: Upload result
-      uses: actions/upload-artifact@v4
-      with:
-        name: env
-        path: commit.env
-  workflow_dispatch_environment:
-    name: Use inputs to create build environment
-    runs-on: ubuntu-latest
-    if: ${{ github.event_name == 'workflow_dispatch' }}
-    steps:
-    - name: Use repo and commit from the inputs
-      run: |
-        echo "LLVM_REPO=${{ github.event.inputs.repo }}" >> commit.env
-        echo "LLVM_COMMIT=${{ github.event.inputs.commit }}" >> commit.env
-        echo "TAG_NAME=${{ github.event.inputs.tag }}" >> commit.env
-        echo "RELEASE_NAME=${{ github.event.inputs.release_name }}" >> commit.env
-        echo "RELEASE_DESCRIPTION=${{ github.event.inputs.description }}" >> commit.env
-    - name: Upload result
-      uses: actions/upload-artifact@v4
-      with:
-        name: env
-        path: commit.env
-  create_release:
-    name: Create release
-    runs-on: ubuntu-latest
-    needs: [schedule_environment, workflow_dispatch_environment]
-    # Use always() and manually check results here since GitHub Actions do not
-    # support conditionally skipping jobs and there is no way to "exit with
-    # success" from a job.
-    if: always() && (needs.schedule_environment.result == 'success' || needs.workflow_dispatch_environment.result == 'success')
-    steps:
-    - name: Fetch environment variables
-      uses: actions/download-artifact@v4
-      with:
-        name:
-          env
-        path:
-          env
-    - name: Set environment variables
-      run: |
-        cat env/commit.env >> $GITHUB_ENV
-    - name: Create release
-      uses: actions/create-release@master
-      id: create_release
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        tag_name: ${{ env.TAG_NAME }}
-        release_name: ${{ env.RELEASE_NAME }}
-        body: |
-          ${{ env.RELEASE_DESCRIPTION }}
-
-          Built from ${{ env.LLVM_REPO }}@${{ env.LLVM_COMMIT }}.
-        prerelease: true
-        draft: true
-    - name: Preserve release info
-      run: |
-        echo "UPLOAD_URL=${{ steps.create_release.outputs.upload_url }}" >> release.env
-        echo "TAG_NAME=${{ env.TAG_NAME }}" >> release.env
-        echo "RELEASE_ID=${{ steps.create_release.outputs.id }}" >> release.env
-    - name: Upload result
-      uses: actions/upload-artifact@v4
+        curl --fail --show-error -XPATCH
+        "-HAuthorization: Bearer ${{ secrets.RELEASE_TOKEN }}"
+        "https://api.github.com/repos/${{ github.repository }}/releases/${{ github.event.release.id }}"
+        "-d" '{"draft": true}'
+    - name: Persist release info
+      uses: actions/upload-artifact@v1
       with:
         name: release
-        path: release.env
+        path: commit
   # Build clangd using CMake/Ninja.
   #
   # This step is a template that runs on each OS, build config varies slightly.
   # Uploading releases needs a per-job token that expires after an hour.
   build:
     name: Build ${{ matrix.config.name }}
-    needs: create_release
-    if: always() && needs.create_release.result == 'success'
+    needs: prepare
+    runs-on: ${{ matrix.config.os }}
     strategy:
       fail-fast: false
       matrix:
         config:
         - name: windows
-          os: windows-2022
-          preinstall: choco install ninja nasm
-          vcvars: C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat
-          cflags: /O2 /DNDEBUG
-          cmake: >-
+          os: windows-latest
+          preinstall: choco install ninja
+          vcvars: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat
+          # FIXME: remove ALLOW_OLD_TOOLCHAIN once VS 16.5 is available.
+          cmake: >
             "-DCMAKE_C_COMPILER=cl"
             "-DCMAKE_CXX_COMPILER=cl"
+            "-DCMAKE_CXX_FLAGS_RELEASE=/O2 /DNDEBUG"
+            "-DCMAKE_C_FLAGS_RELEASE=/O2 /DNDEBUG"
             "-DLLVM_ENABLE_ZLIB=OFF"
-            "-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded"
-            "-DLLVM_ENABLE_PDB=ON"
-            "-DLLVM_PARALLEL_LINK_JOBS=1"
-          grpc_cmake: >-
-            "-DgRPC_MSVC_STATIC_RUNTIME=ON"
-          binary_extension: ".exe"
+            "-DLLVM_USE_CRT_RELEASE=MT"
+            "-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON"
         - name: mac
-          os: macos-13
+          os: macos-latest
           preinstall: brew install ninja zlib p7zip
-          cflags: -O3 -gline-tables-only -DNDEBUG
-          cmake: >-
+          cmake: >
             "-DCMAKE_C_COMPILER=clang"
             "-DCMAKE_CXX_COMPILER=clang++"
+            "-DCMAKE_C_FLAGS_RELEASE=-O3 -gline-tables-only -DNDEBUG"
+            "-DCMAKE_CXX_FLAGS_RELEASE=-O3 -gline-tables-only -DNDEBUG"
             "-DLLVM_ENABLE_ZLIB=FORCE_ON"
-            "-DCMAKE_OSX_ARCHITECTURES=x86_64;arm64"
-            "-DCMAKE_OSX_DEPLOYMENT_TARGET=10.13"
-          # BoringSSL doesn't support universal binaries when building with ASM.
-          grpc_cmake: >-
-            "-DOPENSSL_NO_ASM=ON"
         - name: linux
           os: ubuntu-latest
-          container: ubuntu:20.04
-          preinstall: >-
-            apt-get update &&
-            apt-get install -y ninja-build libz-dev libc-ares-dev wget clang-10
-            software-properties-common p7zip-full curl &&
-            add-apt-repository ppa:git-core/ppa &&
-            wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | apt-key add - &&
-            apt-add-repository 'deb https://apt.kitware.com/ubuntu/ bionic main' &&
-            apt-get update &&
-            apt-get install -y git cmake python3.8 python3.8-dev
-          cflags: -O3 -gline-tables-only -DNDEBUG -include $GITHUB_WORKSPACE/.github/workflows/lib_compat.h
-          cmake: >-
-            "-DCMAKE_C_COMPILER=clang-10"
-            "-DCMAKE_CXX_COMPILER=clang++-10"
+          preinstall: sudo apt-get install ninja-build libz-dev
+          cmake: >
+            "-DCMAKE_C_COMPILER=clang"
+            "-DCMAKE_CXX_COMPILER=clang++"
+            "-DCMAKE_CXX_FLAGS_RELEASE=-O3 -gline-tables-only -DNDEBUG"
+            "-DCMAKE_C_FLAGS_RELEASE=-O3 -gline-tables-only -DNDEBUG"
             "-DCMAKE_EXE_LINKER_FLAGS_RELEASE=-static-libgcc -Wl,--compress-debug-sections=zlib"
             "-DLLVM_STATIC_LINK_CXX_STDLIB=ON"
             "-DLLVM_ENABLE_ZLIB=FORCE_ON"
-            "-DCMAKE_PROJECT_INCLUDE=$GITHUB_WORKSPACE/.github/workflows/linux-static-deps.cmake"
-          # Using c-ares as a module prevents dynamic linking of unneeded
-          # libraries. All other gRPC dependencies can be built from sources.
-          grpc_cmake: >-
-            "-DgRPC_CARES_PROVIDER=package"
-    runs-on: ${{ matrix.config.os }}
-    container: ${{ matrix.config.container }}
+            "-DZLIB_LIBRARY=/usr/lib/x86_64-linux-gnu/libz.a"
     steps:
     - name: Clone scripts
       uses: actions/checkout@v2
@@ -215,65 +88,20 @@ jobs:
       run: |
         cmd /c "`"${{ matrix.config.vcvars }}`">NUL && set" | Foreach-Object {
           $name, $value = $_ -split '=', 2
-          if ($value) {
-            echo "$($name)=$($value)" >> $env:GITHUB_ENV
-          }
+          if ($value) { echo "::set-env name=$($name)::$($value)" }
         }
-    - name: Clone gRPC
-      uses: actions/checkout@v2
-      with:
-        repository: grpc/grpc
-        path: grpc
-        # We use the same version of gRPC for LLVM's clangd-ubuntu-tsan
-        # buildbot.
-        # https://github.com/llvm/llvm-zorg/blob/main/buildbot/google/docker/buildbot-clangd-ubuntu-clang/Dockerfile
-        ref: v1.36.3
-        submodules: recursive
-    - name: Build gRPC
-      run: >
-        mkdir $HOME/grpc-installation
-
-        mkdir grpc-build
-
-        cmake -G Ninja -S grpc -B grpc-build
-        "-DgRPC_INSTALL=ON"
-        "-DCMAKE_INSTALL_PREFIX=$HOME/grpc-installation"
-        "-DCMAKE_BUILD_TYPE=Release"
-        "-DCMAKE_C_FLAGS_RELEASE=${{ matrix.config.cflags }}"
-        "-DCMAKE_CXX_FLAGS_RELEASE=${{ matrix.config.cflags }}"
-        ${{ matrix.config.grpc_cmake }} ${{ matrix.config.cmake }}
-
-        ninja -C grpc-build install
     - name: Fetch target commit
-      uses: actions/download-artifact@v4
-      with:
-        name:
-          env
-        path:
-          env
-    - name: Fetch release info
-      uses: actions/download-artifact@v4
-      with:
-        name:
-          release
-        path:
-          release
-    - name: Put release info into env
+      uses: actions/download-artifact@v1
+      with: { name: release }
+    - name: Set target commit
       run: |
-        cat env/commit.env >> $GITHUB_ENV
-        cat release/release.env >> $GITHUB_ENV
-      shell: bash
-      # Use environment variables set above to create a directory. This needs
-      # to be a separate step because they are not in the context yet when
-      # being set.
-    - name: Set build directory
-      run: |
-        echo "CLANGD_DIR=clangd_${{ env.TAG_NAME }}" >> $GITHUB_ENV
+        echo ::set-env name=LLVM_COMMIT::$(cat release/commit)
+        echo ::set-env name=CLANGD_DIR::clangd_${{ github.event.release.tag_name }}
       shell: bash
     - name: Clone LLVM
       uses: actions/checkout@v2
       with:
-        repository: ${{ env.LLVM_REPO }}
+        repository: llvm/llvm-project
         path: llvm-project
         ref: ${{ env.LLVM_COMMIT }}
     - name: CMake
@@ -283,98 +111,43 @@ jobs:
         cp llvm-project/llvm/LICENSE.TXT ${{ env.CLANGD_DIR }}
 
         cmake -G Ninja -S llvm-project/llvm -B ${{ env.CLANGD_DIR }}
-        "-DLLVM_ENABLE_PROJECTS=clang;clang-tools-extra;openmp"
+        "-DLLVM_ENABLE_PROJECTS=clang;clang-tools-extra"
         "-DLLVM_ENABLE_ASSERTIONS=OFF"
         "-DLLVM_ENABLE_BACKTRACES=ON"
         "-DLLVM_ENABLE_TERMINFO=OFF"
         "-DCMAKE_BUILD_TYPE=Release"
         "-DCLANG_PLUGIN_SUPPORT=OFF"
         "-DLLVM_ENABLE_PLUGINS=OFF"
-        "-DCMAKE_C_FLAGS_RELEASE=${{ matrix.config.cflags }}"
-        "-DCMAKE_CXX_FLAGS_RELEASE=${{ matrix.config.cflags }}"
-        "-DCLANGD_ENABLE_REMOTE=ON"
-        "-DLLVM_ENABLE_ZSTD=OFF"
-        "-DGRPC_INSTALL_PATH=$HOME/grpc-installation"
         ${{ matrix.config.cmake }}
     - name: Ninja
-      run: >
-        ninja -C ${{ env.CLANGD_DIR }} clangd clangd-indexer clangd-index-server
-        clangd-index-server-monitor
-    - name: Install OpenMP headers
-      shell: bash
-      run: >
-        cp ${{ env.CLANGD_DIR }}/projects/openmp/runtime/src/omp{,-tools}.h ${{ env.CLANGD_DIR }}/lib/clang/*/include
-        || true # Don't let the non-existing omp headers block the release.
-    - name: Archive clangd
+      run: ninja -C ${{ env.CLANGD_DIR }} clangd
+    - name: Archive
       run: >
         7z a clangd.zip
         ${{ env.CLANGD_DIR }}/LICENSE.TXT
-        ${{ env.CLANGD_DIR }}/bin/clangd${{ matrix.config.binary_extension }}
+        ${{ env.CLANGD_DIR }}/bin/clangd*
         ${{ env.CLANGD_DIR }}/lib/clang
-    - name: Archive clangd PDB symbols
-      if: matrix.config.name == 'windows'
-      run: >
-        7z a clangd-pdb.7z -t7z -m0=LZMA2
-        ${{ env.CLANGD_DIR }}/LICENSE.TXT
-        ${{ env.CLANGD_DIR }}/bin/clangd.pdb
-    - name: Archive indexing-tools
-      run: >
-        7z a indexing-tools.zip
-        ${{ env.CLANGD_DIR }}/LICENSE.TXT
-        ${{ env.CLANGD_DIR }}/bin/clangd-indexer${{ matrix.config.binary_extension }}
-        ${{ env.CLANGD_DIR }}/bin/clangd-index-server${{ matrix.config.binary_extension }}
-        ${{ env.CLANGD_DIR }}/bin/clangd-index-server-monitor${{ matrix.config.binary_extension }}
-        ${{ env.CLANGD_DIR }}/lib/clang
-    - name: Upload clangd asset
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
+    - name: Upload artifact
+      uses: actions/upload-artifact@v1
       with:
-        upload_url: ${{ env.UPLOAD_URL }}
-        asset_name: clangd-${{ matrix.config.name }}-${{ env.TAG_NAME }}.zip
+        name: ${{ matrix.config.name }}
+        path: clangd.zip
+    - name: Upload asset
+      uses: actions/upload-release-asset@v1.0.1
+      env: { GITHUB_TOKEN: "${{ secrets.RELEASE_TOKEN }}" }
+      with:
+        upload_url: ${{ github.event.release.upload_url }}
+        asset_name: clangd-${{ matrix.config.name }}-${{ github.event.release.tag_name }}.zip
         asset_path: clangd.zip
         asset_content_type: application/zip
-    - name: Upload clangd PDB asset
-      if: matrix.config.name == 'windows'
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
-      with:
-        upload_url: ${{ env.UPLOAD_URL }}
-        asset_name: clangd-debug-symbols-${{ matrix.config.name }}-${{ env.TAG_NAME }}.7z
-        asset_path: clangd-pdb.7z
-        asset_content_type: application/zip
-    - name: Upload indexing-tools asset
-      uses: actions/upload-release-asset@v1.0.1
-      env:
-        GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
-      with:
-        upload_url: ${{ env.UPLOAD_URL }}
-        asset_name: clangd_indexing_tools-${{ matrix.config.name }}-${{ env.TAG_NAME }}.zip
-        asset_path: indexing-tools.zip
-        asset_content_type: application/zip
-    - name: Check binary compatibility
-      if: matrix.config.name == 'linux'
-      run: .github/workflows/lib_compat_test.py --lib=GLIBC_2.18 "$CLANGD_DIR/bin/clangd"
   # Create the release, and upload the artifacts to it.
   finalize:
     runs-on: ubuntu-latest
     needs: build
-    if: always() && needs.build.result == 'success'
     steps:
-    - name: Fetch release info
-      uses: actions/download-artifact@v4
-      with:
-        name:
-          release
-        path:
-          release
-    - name: Update the env variables
-      run: >
-        cat release/release.env >> $GITHUB_ENV
     - name: Publish release
       run: >
         curl -XPATCH
         "-HAuthorization: Bearer ${{ secrets.RELEASE_TOKEN }}"
-        "https://api.github.com/repos/${{ github.repository }}/releases/${{ env.RELEASE_ID }}"
+        "https://api.github.com/repos/${{ github.repository }}/releases/${{ github.event.release.id }}"
         "-d" '{"draft": false}'

.github/workflows/lib_compat.h

@@ -1,21 +0,0 @@
-// This header forces the use of a particular version of glibc symbols.
-// This can make the resulting binary portable to systems with older glibcs.
-//
-// It must be included in each TU, with CFLAGS="-include glibc_compat.h" etc.
-//
-// We only list symbols known to be used. This is paired with a test enforcing
-// the max glibc symbol version. If the test fails, the list should be extended.
-// Find the old alternatives version to target with e.g.:
-//   objdump -T /lib/x86_64-linux-gnu/lib{c,m,pthread,rt}.so.* | grep "\bexpf\b"
-
-#define FORCE_SYMBOL_VERSION(sym, version) \
-  __asm__(".symver " #sym "," #sym "@" #version)
-
-FORCE_SYMBOL_VERSION(exp2, GLIBC_2.2.5);
-FORCE_SYMBOL_VERSION(expf, GLIBC_2.2.5);
-FORCE_SYMBOL_VERSION(log, GLIBC_2.2.5);
-FORCE_SYMBOL_VERSION(log2, GLIBC_2.2.5);
-FORCE_SYMBOL_VERSION(pow, GLIBC_2.2.5);
-FORCE_SYMBOL_VERSION(exp, GLIBC_2.2.5);
-
-#undef FORCE_SYMBOL_VERSION

.github/workflows/lib_compat_test.py

@@ -1,89 +0,0 @@
-#!/usr/bin/env python3
-
-# Verifies a binary uses only dynamic symbols from whitelisted library versions.
-# Prints the disallowed symbols and their versions on failure.
-# Usage: lib_compat_test.py bin/clangd --lib=GLIBC_2.18
-
-import argparse
-import subprocess
-import sys
-
-parser = argparse.ArgumentParser()
-parser.add_argument("binary")
-parser.add_argument(
-    "--lib",
-    action="append",
-    default=[],
-    help="Whitelist a library, e.g. GLIBC_2.18 or GLIBC",
-)
-parser.add_argument(
-    "--sym", action="append", default=[], help="Whitelist a symbol, e.g. crc32"
-)
-args = parser.parse_args()
-
-# Parses GLIBC_2.3 into ("GLIBC", [2,3])
-# Parses GLIBC into ("GLIBC", None)
-def parse_version(version):
-    parts = version.rsplit("_", 1)
-    if len(parts) == 1:
-        return (version, None)
-    try:
-        return (parts[0], [int(p) for p in parts[1].split(".")])
-    except ValueError:
-        return (version, None)
-
-
-lib_versions = dict([parse_version(v) for v in args.lib])
-
-# Determines whether all symbols with version 'lib' are acceptable.
-# A versioned library is name_x.y.z by convention.
-def accept_lib(lib):
-    (lib, ver) = parse_version(lib)
-    if not lib in lib_versions:  # Non-whitelisted library.
-        return False
-    if lib_versions[lib] is None:  # Unrestricted version
-        return True
-    if ver is None:  # Lib has non-numeric version, library restricts version.
-        return False
-    return ver <= lib_versions[lib]
-
-
-# Determines whether an optionally-versioned symbol is acceptable.
-# A versioned symbol is symbol@version as output by nm.
-def accept_symbol(sym):
-    if sym in args.sym:
-        return True
-    split = sym.split("@", 1)
-    return (split[0] in args.sym) or (len(split) == 2 and accept_lib(split[1]))
-
-
-# Run nm to find the undefined symbols, and check whether each is acceptable.
-nm = subprocess.run(
-    ["nm", "-uD", "--with-symbol-version", args.binary],
-    stdout=subprocess.PIPE,
-    universal_newlines=True,
-)
-nm.check_returncode()
-status = 0
-for line in nm.stdout.splitlines():
-    # line = "       U foo@GLIBC_2.3"
-    parts = line.split()
-    if len(parts) != 2:
-        print("Unparseable nm output: ", line, file=sys.stderr)
-        status = 2
-        continue
-    if parts[0] == "w":  # Weak-undefined symbol, not actually required.
-        continue
-    if not accept_symbol(parts[1]):
-        print(parts[1])
-        status = 1
-if status == 1:
-    print(
-        "Binary depends on disallowed symbols above. Use some combination of:\n"
-        " - relax the whitelist by adding --lib and --sym flags to this test\n"
-        " - force older symbol versions by updating lib_compat.h\n"
-        " - avoid dynamic dependencies by changing CMake configuration\n"
-        " - remove bad dependencies from the code",
-        file=sys.stderr,
-    )
-sys.exit(status)

.github/workflows/linux-static-deps.cmake

@@ -1,3 +0,0 @@
-# Convince find_package() to link against libz.a instead of libz.so.
-# The default is ".so;.a", meaning dynamic libraries are preferred.
-set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")

.github/workflows/periodic.yaml

@@ -0,0 +1,55 @@
+# Workflow to create an auto-buildable release periodically.
+#
+# Releases created with automation credentials don't trigger workflows.
+# Therefore a token `secrets.RELEASE_TOKEN` must exist with public_repo scope.
+name: Periodic release
+on:
+  # Run weekly on sunday at 21:37 UTC (arbitrary)
+  schedule:
+  - cron: '37 21 * * SUN'
+  # Allow triggering manually:
+  # curl -XPOST -d '{"event_type":"periodic"}' \
+  #  "-HAuthorization: Bearer <token>" \
+  #   https://api.github.com/repos/clangd/clangd/dispatches
+  repository_dispatch: { types: periodic }
+jobs:
+  # Choose the commit to build a release from.
+  #
+  # We want to avoid unbuildable revisions: choose the last green from CI.
+  # FIXME: the criteria should be some consistent set of buildbots passing.
+  pick:
+    name: Create draft release
+    runs-on: ubuntu-latest
+    steps:
+    - name: Clone scripts
+      uses: actions/checkout@v2
+    - name: Install NPM dependencies
+      run: npm install --prefix .github/actions/pick
+    - name: Pick last successful commit
+      id: pick
+      uses: ./.github/actions/pick
+      with:
+        repo: llvm/llvm-project
+        token: ${{ secrets.GITHUB_TOKEN }}
+    - name: Compute release info
+      run: |
+        echo ::set-env name=RELEASE_COMMIT_SHORT::$(printf "%.12s" ${{ steps.pick.outputs.sha }})
+        echo ::set-env name=RELEASE_DATE::$(date -u +%Y%m%d)
+    - name: Create release
+      uses: actions/create-release@master
+      id: release
+      env: { GITHUB_TOKEN: "${{ secrets.RELEASE_TOKEN }}" }
+      with:
+        tag_name: snapshot_${{ env.RELEASE_DATE }}
+        release_name: ${{ env.RELEASE_DATE }} @${{ env.RELEASE_COMMIT_SHORT }}
+        body: |
+          Unstable snapshot of clangd on ${{ env.RELEASE_DATE }}.
+
+          Built from llvm/llvm-project@${{ steps.pick.outputs.sha }}.
+        prerelease: true
+        # It would be nice to use draft releases, to hide them from users.
+        # But drafts don't fire events to trigger the autobuild workflow.
+        # Instead, that workflow marks the release as draft until it's built.
+        # As a result, the empty release will be briefly visible to users.
+        draft: false
+

README.md

@@ -5,7 +5,7 @@ This is not its documentation.
 
 - the **website** is https://clangd.llvm.org/.
 - the **bug tracker** is in this repository: https://github.com/clangd/clangd/issues
-- the **source code** is hosted at https://github.com/llvm/llvm-project/tree/main/clang-tools-extra/clangd.
+- the **source code** is hosted at https://github.com/llvm/llvm-project/tree/master/clang-tools-extra/clangd.
 - the **website source code** is at https://github.com/llvm/clangd-www/
 
 ### Communication channels

releases.md

@@ -8,8 +8,7 @@ is being able to cut releases easily whenever we want.
 The releases are just a zip archive containing the `clangd` binary, and the
 clang builtin headers. They should be runnable immediately after extracting the
 archive. The linux binary has `libstdc++` and other dependencies statically
-linked for maximum portability, and requires glibc 2.18 (the first version with
-`thread_local` support).
+linked for maximum portability.
 
 ## Creating a release manually
 

scripts/compile_flags_json.py

@@ -1,27 +0,0 @@
-#!/usr/bin/env python
-import os, sys, json
-
-EXTS = ('.c','.C','.cpp','.cc','.cxx','.m','.mm'
-        '.h','.H','.hpp','.hh','.hxx')
-
-input = sys.argv[1] if len(sys.argv) > 1 else 'compile_flags.txt'
-driver = sys.argv[2] if len(sys.argv) > 2 else 'clang'
-with open(input) as f:
-    flags = [line.strip() for line in f]
-
-dir = os.path.dirname(os.path.abspath(input))
-
-entries = []
-
-for root, dirs, files in os.walk(dir):
-    for file in files:
-        ext = os.path.splitext(file)[1]
-        if ext in EXTS:
-            entries.append({
-                'directory': dir,
-                'file': os.path.join(dir, file),
-                'arguments': [driver] + flags + [os.path.join(dir, file)]})
-
-with open(os.path.join(dir, 'compile_commands.json'), 'w') as file:
-    json.dump(entries, file, indent=2)
-