ci: major overhaul

- Simplify some workflow steps and auxiliary scripts
- Build library using cmake when not cross-compiling
- Try to fetch fixtures from cache first
- Use `actions-rust-lang/setup-rust-toolchain`

Author: ObserverOfTime

.github/actions/cache/action.yml

@@ -1,24 +1,23 @@
-name: 'Cache'
-description: "This action caches fixtures"
+name: Cache
+
+description: This action caches fixtures
+
 outputs:
   cache-hit:
-    description: 'Cache hit'
-    value: ${{ steps.cache_output.outputs.cache-hit }}
+    description: Cache hit
+    value: ${{ steps.cache.outputs.cache-hit }}
+
 runs:
-  using: "composite"
+  using: composite
   steps:
     - uses: actions/cache@v4
-      id: cache_fixtures
+      id: cache
       with:
         path: |
           test/fixtures/grammars
           target/release/tree-sitter-*.wasm
         key: fixtures-${{ join(matrix.*, '_') }}-${{ hashFiles(
-          'cli/src/generate/**',
-          'script/generate-fixtures*',
+          'cli/generate/src/**',
+          'xtask/src/*',
           'test/fixtures/grammars/*/**/src/*.c',
           '.github/actions/cache/action.yml') }}
-
-    - run: echo "cache-hit=${{ steps.cache_fixtures.outputs.cache-hit }}" >> $GITHUB_OUTPUT
-      shell: bash
-      id: cache_output

.github/scripts/cross.sh

@@ -1,17 +1,3 @@
-#!/bin/bash
+#!/bin/bash -eu
 
-# set -x
-set -e
-
-if [ "$BUILD_CMD" != "cross" ]; then
-    echo "cross.sh - is a helper to assist only in cross compiling environments" >&2
-    echo "To use this tool set the BUILD_CMD env var to the \"cross\" value" >&2
-    exit 111
-fi
-
-if [ -z "$CROSS_IMAGE" ]; then
-    echo "The CROSS_IMAGE env var should be provided" >&2
-    exit 111
-fi
-
-docker run --rm -v /home/runner:/home/runner -w "$PWD" "$CROSS_IMAGE" "$@"
+exec docker run --rm -v /home/runner:/home/runner -w "$PWD" "$CROSS_IMAGE" "$@"

.github/scripts/make.sh

@@ -1,19 +1,9 @@
-#!/bin/bash
+#!/bin/bash -eu
 
-# set -x
-set -e
+tree_sitter="$ROOT"/target/"$TARGET"/release/tree-sitter
 
-if [ "$BUILD_CMD" == "cross" ]; then
-    if [ -z "$CC" ]; then
-        echo "make.sh: CC is not set" >&2
-        exit 111
-    fi
-    if [ -z "$AR" ]; then
-        echo "make.sh: AR is not set" >&2
-        exit 111
-    fi
-
-    cross.sh make CC=$CC AR=$AR "$@"
+if [[ $BUILD_CMD == cross ]]; then
+  cross.sh make CC="$CC" AR="$AR" "$@"
 else
-    make "$@"
+  exec make "$@"
 fi

.github/scripts/tree-sitter.sh

@@ -1,28 +1,9 @@
-#!/bin/bash
-
-# set -x
-set -e
-
-if [ -z "$ROOT" ]; then
-    echo "The ROOT env var should be set to absolute path of a repo root folder" >&2
-    exit 111
-fi
-
-if [ -z "$TARGET" ]; then
-    echo "The TARGET env var should be equal to a \`cargo build --target <TARGET>\` command value" >&2
-    exit 111
-fi
+#!/bin/bash -eu
 
 tree_sitter="$ROOT"/target/"$TARGET"/release/tree-sitter
 
-if [ "$BUILD_CMD" == "cross" ]; then
-    if [ -z "$CROSS_RUNNER" ]; then
-        echo "The CROSS_RUNNER env var should be set to a CARGO_TARGET_*_RUNNER env var value" >&2
-        echo "that is available in a docker image used by the cross tool under the hood" >&2
-        exit 111
-    fi
-
-    cross.sh $CROSS_RUNNER "$tree_sitter" "$@"
+if [[ $BUILD_CMD == cross ]]; then
+  cross.sh "$CROSS_RUNNER" "$tree_sitter" "$@"
 else
-    "$tree_sitter" "$@"
+  exec "$tree_sitter" "$@"
 fi

.github/workflows/backport.yml

@@ -1,26 +1,29 @@
-name: backport
+name: Backport Pull Request
+
 on:
   pull_request_target:
     types: [closed, labeled]
+
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   backport:
-    permissions:
-      contents: write
-      pull-requests: write
-    name: Backport Pull Request
     if: github.event.pull_request.merged
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v4
 
-      - uses: actions/create-github-app-token@v1
+      - name: Create app token
+        uses: actions/create-github-app-token@v1
         id: app-token
         with:
           app-id: ${{ vars.BACKPORT_APP }}
           private-key: ${{ secrets.BACKPORT_KEY }}
 
       - name: Create backport PR
-        id: backport
         uses: korthout/backport-action@v3
         with:
           pull_title: "${pull_title}"