feat: add release CI

.github/actions/github-release/Dockerfile

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+FROM node:slim
+
+COPY . /action
+WORKDIR /action
+
+RUN npm install --production
+
+ENTRYPOINT ["node", "/action/main.js"]

.github/actions/github-release/README.md

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+# github-release
+
+Copy-pasted from
+https://github.com/rust-lang/rust-analyzer/tree/2df30e1e07eafc1de0359566423f471920693a34/.github/actions/github-release
+
+An action used to publish GitHub releases for `wasmtime`.
+
+As of the time of this writing there's a few actions floating around which
+perform github releases but they all tend to have their set of drawbacks.
+Additionally nothing handles deleting releases which we need for our rolling
+`dev` release.
+
+To handle all this, this action rolls its own implementation using the
+actions/toolkit repository and packages published there. These run in a Docker
+container and take various inputs to orchestrate the release from the build.
+
+More comments can be found in `main.js`.
+
+Testing this is really hard. If you want to try though run `npm install` and
+then `node main.js`. You'll have to configure a bunch of env vars though to get
+anything reasonably working.

.github/actions/github-release/action.yml

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+name: 'wasmtime github releases'
+description: 'wasmtime github releases'
+inputs:
+  token:
+    description: ''
+    required: true
+  name:
+    description: ''
+    required: true
+  files:
+    description: ''
+    required: true
+runs:
+  using: 'docker'
+  image: 'Dockerfile'

.github/actions/github-release/main.js

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+const core = require('@actions/core');
+const path = require("path");
+const fs = require("fs");
+const github = require('@actions/github');
+const glob = require('glob');
+
+function sleep(milliseconds) {
+  return new Promise(resolve => setTimeout(resolve, milliseconds));
+}
+
+async function runOnce() {
+  // Load all our inputs and env vars. Note that `getInput` reads from `INPUT_*`
+  const files = core.getInput('files');
+  const name = core.getInput('name');
+  const token = core.getInput('token');
+  const slug = process.env.GITHUB_REPOSITORY;
+  const owner = slug.split('/')[0];
+  const repo = slug.split('/')[1];
+  const sha = process.env.HEAD_SHA;
+
+  core.info(`files: ${files}`);
+  core.info(`name: ${name}`);
+
+  const options = {
+    request: {
+      timeout: 30000,
+    }
+  };
+  const octokit = github.getOctokit(token, options);
+
+  // Delete the previous release since we can't overwrite one. This may happen
+  // due to retrying an upload or it may happen because we're doing the dev
+  // release.
+  const releases = await octokit.paginate("GET /repos/:owner/:repo/releases", { owner, repo });
+  for (const release of releases) {
+    if (release.tag_name !== name) {
+      continue;
+    }
+    const release_id = release.id;
+    core.info(`deleting release ${release_id}`);
+    await octokit.rest.repos.deleteRelease({ owner, repo, release_id });
+  }
+
+  // We also need to update the `dev` tag while we're at it on the `dev` branch.
+  if (name == 'nightly') {
+    try {
+      core.info(`updating nightly tag`);
+      await octokit.rest.git.updateRef({
+        owner,
+        repo,
+        ref: 'tags/nightly',
+        sha,
+        force: true,
+      });
+    } catch (e) {
+      core.error(e);
+      core.info(`creating nightly tag`);
+      await octokit.rest.git.createTag({
+        owner,
+        repo,
+        tag: 'nightly',
+        message: 'nightly release',
+        object: sha,
+        type: 'commit',
+      });
+    }
+  }
+
+  // Creates an official GitHub release for this `tag`, and if this is `dev`
+  // then we know that from the previous block this should be a fresh release.
+  core.info(`creating a release`);
+  const release = await octokit.rest.repos.createRelease({
+    owner,
+    repo,
+    name,
+    tag_name: name,
+    target_commitish: sha,
+    prerelease: name === 'nightly',
+  });
+  const release_id = release.data.id;
+
+  // Upload all the relevant assets for this release as just general blobs.
+  for (const file of glob.sync(files)) {
+    const size = fs.statSync(file).size;
+    const name = path.basename(file);
+
+    await runWithRetry(async function() {
+      // We can't overwrite assets, so remove existing ones from a previous try.
+      let assets = await octokit.rest.repos.listReleaseAssets({
+        owner,
+        repo,
+        release_id
+      });
+      for (const asset of assets.data) {
+        if (asset.name === name) {
+          core.info(`delete asset ${name}`);
+          const asset_id = asset.id;
+          await octokit.rest.repos.deleteReleaseAsset({ owner, repo, asset_id });
+        }
+      }
+
+      core.info(`upload ${file}`);
+      const headers = { 'content-length': size, 'content-type': 'application/octet-stream' };
+      const data = fs.createReadStream(file);
+      await octokit.rest.repos.uploadReleaseAsset({
+        data,
+        headers,
+        name,
+        url: release.data.upload_url,
+      });
+    });
+  }
+}
+
+async function runWithRetry(f) {
+  const retries = 10;
+  const maxDelay = 4000;
+  let delay = 1000;
+
+  for (let i = 0; i < retries; i++) {
+    try {
+      await f();
+      break;
+    } catch (e) {
+      if (i === retries - 1)
+        throw e;
+
+      core.error(e);
+      const currentDelay = Math.round(Math.random() * delay);
+      core.info(`sleeping ${currentDelay} ms`);
+      await sleep(currentDelay);
+      delay = Math.min(delay * 2, maxDelay);
+    }
+  }
+}
+
+async function run() {
+  await runWithRetry(runOnce);
+}
+
+run().catch(err => {
+  core.error(err);
+  core.setFailed(err.message);
+});

.github/actions/github-release/package.json

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+{
+  "name": "wasmtime-github-release",
+  "version": "0.0.0",
+  "main": "main.js",
+  "dependencies": {
+    "@actions/core": "^1.6",
+    "@actions/github": "^5.0",
+    "glob": "^7.1.5"
+  }
+}

.github/workflows/release.yml

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+name: release
+on:
+  workflow_dispatch:
+
+  push:
+    branches:
+      - 'release/**'
+
+env:
+  CARGO_INCREMENTAL: 0
+  CARGO_NET_RETRY: 10
+  RUSTFLAGS: "-D warnings -W unreachable-pub"
+  RUSTUP_MAX_RETRIES: 10
+  FETCH_DEPTH: 0 # pull in the tags for the version string
+  CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: aarch64-linux-gnu-gcc
+  CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_LINKER: arm-linux-gnueabihf-gcc
+
+jobs:
+  dist:
+    strategy:
+      matrix:
+        include:
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            code-target: win32-x64
+          - os: windows-latest
+            target: i686-pc-windows-msvc
+            code-target: win32-ia32
+          - os: windows-latest
+            target: aarch64-pc-windows-msvc
+            code-target: win32-arm64
+          - os: ubuntu-22.04
+            target: x86_64-unknown-linux-gnu
+            code-target: linux-x64
+          - os: ubuntu-22.04
+            target: aarch64-unknown-linux-gnu
+            code-target: linux-arm64
+          - os: ubuntu-22.04
+            target: arm-unknown-linux-gnueabihf
+            code-target: linux-armhf
+          - os: macos-12
+            target: x86_64-apple-darwin
+            code-target: darwin-x64
+          - os: macos-12
+            target: aarch64-apple-darwin
+            code-target: darwin-arm64
+
+    env:
+      LSP_AI_TARGET: ${{ matrix.target }}
+
+    name: dist (${{ matrix.target }})
+    runs-on: ${{ matrix.os }}
+    container: ${{ matrix.container }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: ${{ env.FETCH_DEPTH }}
+
+      - name: Install Rust toolchain
+        run: |
+          rustup update --no-self-update stable
+          rustup target add ${{ matrix.target }}
+          rustup component add rust-src
+
+      - name: Update apt repositories
+        if: contains(matrix.os, 'ubuntu')
+        run: sudo apt-get update -y
+
+      - name: Install AArch64 target toolchain
+        if: matrix.target == 'aarch64-unknown-linux-gnu'
+        run: sudo apt-get install gcc-aarch64-linux-gnu libc6-dev-arm64-cross  g++-aarch64-linux-gnu
+
+      - name: Install ARM target toolchain
+        if: matrix.target == 'arm-unknown-linux-gnueabihf'
+        run: sudo apt-get install gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
+
+      - name: Dist
+        run: cargo xtask dist
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist-${{ matrix.target }}
+          path: ./dist
+
+  dist-x86_64-unknown-linux-musl:
+    name: dist (x86_64-unknown-linux-musl)
+    runs-on: ubuntu-latest
+    env:
+      LLM_LS_TARGET: x86_64-unknown-linux-musl
+      # For some reason `-crt-static` is not working for clang without lld
+      RUSTFLAGS: "-C link-arg=-fuse-ld=lld -C target-feature=-crt-static"
+    container:
+      image: rust:alpine
+      volumes:
+        - /usr/local/cargo/registry:/usr/local/cargo/registry
+
+    steps:
+      - name: Install dependencies
+        run: apk add --no-cache git clang lld musl-dev nodejs npm openssl-dev pkgconfig g++
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: ${{ env.FETCH_DEPTH }}
+
+      - name: Dist
+        run: cargo xtask dist
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist-x86_64-unknown-linux-musl
+          path: ./dist
+
+  publish:
+    name: publish
+    runs-on: ubuntu-latest
+    needs: ["dist", "dist-x86_64-unknown-linux-musl"]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: ${{ env.FETCH_DEPTH }}
+
+      - run: echo "HEAD_SHA=$(git rev-parse HEAD)" >> $GITHUB_ENV
+      - run: 'echo "HEAD_SHA: $HEAD_SHA"'
+
+      - name: Split branch name
+        env:
+          BRANCH: ${{ github.ref_name }}
+        id: split
+        run: echo "tag=${BRANCH##*/}" >> $GITHUB_OUTPUT
+
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-aarch64-apple-darwin
+          path: dist
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-x86_64-apple-darwin
+          path: dist
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-x86_64-unknown-linux-gnu
+          path: dist
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-x86_64-unknown-linux-musl
+          path: dist
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-aarch64-unknown-linux-gnu
+          path: dist
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-arm-unknown-linux-gnueabihf
+          path: dist
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-x86_64-pc-windows-msvc
+          path: dist
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-i686-pc-windows-msvc
+          path: dist
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist-aarch64-pc-windows-msvc
+          path: dist
+      - run: ls -al ./dist
+
+      - name: Publish Release
+        uses: ./.github/actions/github-release
+        with:
+          files: "dist/*"
+          name: ${{ steps.split.outputs.tag }}
+          token: ${{ secrets.GITHUB_TOKEN }}