Add rust-toolchain.toml awareness

.github/workflows/ci.yml

@@ -1,44 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: [master]
-  pull_request:
-  schedule: [cron: "40 1 * * *"]
-
-permissions:
-  contents: read
-
-jobs:
-  install:
-    name: Rust ${{matrix.rust}} on ${{matrix.os == 'ubuntu' && 'Linux' || matrix.os == 'macos' && 'macOS' || matrix.os == 'windows' && 'Windows' || '???'}}
-    runs-on: ${{matrix.os}}-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu, macos, windows]
-        rust: [nightly, beta, stable, 1.62.0, stable 18 months ago, stable minus 8 releases]
-        include:
-          - os: ubuntu
-            rust: 1.0.0
-    timeout-minutes: 45
-    steps:
-      - uses: actions/checkout@v3
-      - uses: ./
-        name: Run dtolnay/rust-toolchain${{contains(matrix.rust, ' ') && ' for ' || '@'}}${{matrix.rust}}
-        id: toolchain
-        with:
-          toolchain: ${{matrix.rust}}
-      - name: echo ${{'${{steps.toolchain.outputs.cachekey}}'}}
-        run: echo '${{steps.toolchain.outputs.cachekey}}'
-      - name: check ${{'${{steps.toolchain.outputs.cachekey}}'}}
-        if: matrix.rust == '1.62.0'
-        run: cmp -s <(echo ${{steps.toolchain.outputs.cachekey}}) <(echo 20220627a831)
-        shell: bash
-      - run: rustc --version
-      - run: cargo init . --bin --name CI
-        if: matrix.rust == 'nightly' || matrix.rust == 'beta' || matrix.rust == 'stable'
-      - run: cargo add syn@1
-        if: matrix.rust == 'nightly' || matrix.rust == 'beta' || matrix.rust == 'stable'
-      - run: cargo check
-        if: matrix.rust == 'nightly' || matrix.rust == 'beta' || matrix.rust == 'stable'

.github/workflows/sync.yml

@@ -0,0 +1,12 @@
+name: Rebase Upstream
+on:
+  schedule:
+  - cron: "0 0 * * 0"  # run once a week
+  workflow_dispatch:   # run manually
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - uses: imba-tjd/rebase-upstream-action@master