[ci] Work towards setting up GHA

.github/workflows/ci.yml

@@ -0,0 +1,143 @@
+name: CI
+
+on:
+  push:
+    paths-ignore:
+      - '*.rst'
+      - NEWS
+  pull_request:
+    branches: master
+    paths-ignore:
+      - '*.rst'
+      - NEWS
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+##env:
+##global: MAKE=make
+##dist: xenial
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        include:
+        - name: "C distribution build"
+          CFLAGS_DIST_BUILD: '-O2 -Wall -W -std=c90 -Wdeclaration-after-statement -Werror'
+        - name: "C distribution build (clang)"
+          CFLAGS_DIST_BUILD: '-O2 -Wall -W -std=c90 -Wdeclaration-after-statement -Werror'
+          CC: clang
+        - name: "C"
+          c_tests: y
+          CFLAGS: '-O2 -Wall -W -std=c99 -Werror'
+        - name: "C (clang)"
+          c_tests: y
+          CFLAGS: '-O2 -Wall -W -std=c99 -Werror'
+          CC: clang
+        - name: java
+          JAVA: java
+          JAVAC: javac
+        - name: go
+          # 20.04: golang-1.13 14 16 18 20
+          # 22.04: golang-1.13 17 18 20
+          GO: go
+#    - language: node_js
+#      node_js: "node"
+#      env: NODE=node
+#    - language: rust
+#      rust:
+#        - stable
+#        - beta
+#      dist: bionic
+#      env: RUST=rust
+#    - language: csharp
+#      arch: amd64 # csharp doesn't seem to work on arm64
+#      env: MCS=mcs
+#      dist: bionic
+#    - name: Pascal
+#      env: FPC=fpc
+#      dist: bionic
+#      addons:
+#        apt:
+#          packages:
+#            - fpc
+#    # The pure Python versions run slowly so we need to thin the testdata
+#    # for languages such as Arabic where there's a lot, or else the build
+#    # hits the travis time limit.  With pypy, it's enough faster than we
+#    # can run the full tests.
+#    - language: python
+#      python: "3.9"
+#      env: PYTHON=python THIN_FACTOR=10
+#    - language: python
+#      python: "3.7"
+#      env: PYTHON=python THIN_FACTOR=10
+#    - language: python
+#      python: "3.6"
+#      env: PYTHON=python THIN_FACTOR=10
+#    - language: python
+#      python: "pypy3.7-7.3.5"
+#      env: PYTHON=python
+#      dist: bionic
+#    - name: "Ada"
+#      env: gprbuild=gprbuild
+#      dist: bionic
+#      addons:
+#        apt:
+#          packages:
+#            - gnat
+#            - gprbuild
+#    - os: windows
+#      language: c
+#      env: c_tests=y MAKE=mingw32-make
+#    - os: windows
+#      language: go
+#      env: GO=go MAKE=mingw32-make
+
+      fail-fast: false
+
+    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
+
+    #env:
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Checkout data
+      run: |
+        # Try to check out a branch of the same name from the snowball-data
+        # repo sibling of this snowball repo, so that PRs requiring changes to
+        # both can be CI tested easily.
+        #
+        # If that fails, just use the standard snowball-data repo's default
+        # branch.
+        git status
+        git remote -v
+        env|sort
+        GH_BRANCH=${TRAVIS_PULL_REQUEST_BRANCH:-$GITHUB_REF_NAME}
+        GH_REPO_SLUG=${TRAVIS_PULL_REQUEST_SLUG:-$GITHUB_REPOSITORY}
+        GH_REPO_URL=https://github.com/${GH_REPO_SLUG%%/*}/snowball-data.git
+        echo "Trying branch $GH_BRANCH from $GH_REPO_URL"
+        git clone --depth=1 -b "$GH_BRANCH" "$GH_REPO_URL" || git clone --depth=1 https://github.com/snowballstem/snowball-data.git
+    - name: Install CCache
+      uses: hendrikmuhs/ccache-action@v1
+      with:
+        key: ${{ matrix.name }}
+    - name: Build
+      run: |
+        # Ensure CC is set for building the compiler in non-C builds.
+        test -n "$CC" || export CC=gcc
+        test -n "$MAKE" || export MAKE=make
+        $MAKE CC="$CC"
+        test -z "$CFLAGS_DIST_BUILD" || { pip install setuptools && $MAKE dist && mkdir tmp && cd tmp && tar xf ../dist/libstemmer_c-*.tar.gz && cd libstemmer_c-* && $MAKE CFLAGS="$CFLAGS_DIST_BUILD" ; }
+        test -z "$c_tests" || $MAKE check CC="$CC" STEMMING_DATA=snowball-data
+        test -z "$PYTHON" || $MAKE check_python python="$PYTHON" STEMMING_DATA=snowball-data
+        test -z "$JAVA" -o -z "$JAVAC" || $MAKE check_java STEMMING_DATA=snowball-data
+        test -z "$MCS" || $MAKE check_csharp MCS="$MCS" STEMMING_DATA=snowball-data
+        test -z "$NODE" || $MAKE check_js STEMMING_DATA=snowball-data
+        test -z "$RUST" || $MAKE check_rust STEMMING_DATA=snowball-data
+        test -z "$RUST" || $MAKE check_rust STEMMING_DATA=snowball-data
+        test -z "$GO" || $MAKE check_go STEMMING_DATA=snowball-data
+        test -z "$FPC" || $MAKE check_pascal STEMMING_DATA=snowball-data
+        test -z "$gprbuild" || $MAKE check_ada STEMMING_DATA=snowball-data