Extract install-action-manifest-schema and publish to crates-io

.github/.cspell/project-dictionary.txt

@@ -30,6 +30,7 @@ syft
 udeps
 wasmtime
 watchexec
+worktree
 xbuild
 xscale
 zigbuild

.github/workflows/manifest_sync.yml

@@ -0,0 +1,51 @@
+name: Manifest Synchronization
+
+permissions:
+  contents: read
+
+on:
+  release:
+    types: [released]
+
+env:
+  WORKSPACE: /tmp/workspace
+
+defaults:
+  run:
+    shell: bash --noprofile --norc -CeEuxo pipefail {0}
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: true
+
+      - name: Checkout manifest-schema branch
+        run: ./tools/ci/checkout-manifest-schema-branch.sh $WORKSPACE
+
+      - name: Copy over schema
+        run: cp ./manifests/* $WORKSPACE
+
+      - name: Stage changes
+        working-directory: ${{ env.WORKSPACE }}
+        run: git add .
+
+      - name: Show diff
+        working-directory: ${{ env.WORKSPACE }}
+        run: git diff HEAD
+
+      - name: Detect changes
+        id: changes
+        working-directory: ${{ env.WORKSPACE }}
+        run: |
+          # This output boolean tells us if the dependencies have actually changed
+          echo "count=$(git status --porcelain=v1 | wc -l)" >> $GITHUB_OUTPUT
+
+      - name: Commit and push
+        # Only push if changes exist
+        if: steps.changes.outputs.count > 0
+        working-directory: ${{ env.WORKSPACE }}
+        run: |
+          git commit -m "Update manifest schema" && git push origin HEAD

Cargo.toml

@@ -1,6 +1,6 @@
 [workspace]
 resolver = "2"
-members = ["tools/codegen"]
+members = ["tools/codegen", "tools/manifest-schema"]
 
 # This table is shared by projects under github.com/taiki-e.
 # It is not intended for manual editing.

tools/ci/checkout-manifest-schema-branch.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+
+set -euxo pipefail
+
+cd "$(dirname "$0")"
+
+schema_version="$(cargo metadata --format-version=1 --no-deps | jq -r '.packages[] | select(.name == "install-action-manifest-schema") | .version')"
+branch="manifest-schema-${schema_version}"
+
+git worktree add --force "${1?}"
+cd "$1"
+
+if git fetch origin "${branch}"; then
+    git checkout "origin/${branch}" -B "${branch}"
+elif ! git checkout "${branch}"; then
+    # New branch with no history. Credit: https://stackoverflow.com/a/13969482
+    git checkout --orphan "${branch}"
+    git rm -rf . || true
+    git config --local user.name github-actions
+    git config --local user.email [email protected]
+    git commit -m 'Initial commit' --allow-empty
+fi

tools/codegen/Cargo.toml

@@ -4,6 +4,7 @@ edition = "2021"
 default-run = "generate-manifest"
 
 [dependencies]
+install-action-manifest-schema = { path = "../manifest-schema" }
 anyhow = "1"
 flate2 = "1"
 fs-err = "3"