ci: split into linux/macOS workflows, dual README badges

Author: mx4

.github/workflows/ci.yml .github/workflows/ci-linux.yml.github/workflows/ci.yml renamed to .github/workflows/ci-linux.yml

@@ -1,4 +1,4 @@
-name: CI
+name: CI (Linux)
 
 on:
   push:
@@ -9,24 +9,15 @@ on:
 jobs:
   build:
 
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v4
-    - name: install packages (ubuntu)
-      if: runner.os == 'Linux'
+    - name: install packages
       run: >
         sudo apt-get update && sudo apt-get install -y
         pkg-config libleveldb-dev libsnappy-dev libcurl4-openssl-dev
         libssl-dev libncurses-dev libcjson-dev
-    - name: install packages (macOS)
-      if: runner.os == 'macOS'
-      run: brew install pkg-config openssl leveldb snappy curl ncurses cjson
     - name: build (debug)
       run: make
     - name: test (fuzz + gcs)
@@ -36,4 +27,4 @@ jobs:
     - name: build (release)
       run: make clean && make BUILD=release
     - name: build (asan+ubsan)
-      run: make clean && make BUILD=asan+ubsan
+      run: make clean && make BUILD=asan+ubsan

.github/workflows/ci-macos.yml

@@ -0,0 +1,27 @@
+name: CI (macOS)
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: install packages
+      run: brew install pkg-config openssl leveldb snappy curl ncurses cjson
+    - name: build (debug)
+      run: make
+    - name: test (fuzz + gcs)
+      run: make check
+    - name: build (strict warnings)
+      run: make clean && make STRICT=1
+    - name: build (release)
+      run: make clean && make BUILD=release
+    - name: build (asan+ubsan)
+      run: make clean && make BUILD=asan+ubsan

README.md

@@ -1,4 +1,5 @@
-[![CI](https://github.com/mx4/bitc/actions/workflows/ci.yml/badge.svg)](https://github.com/mx4/bitc/actions/workflows/ci.yml)
+[![CI (Linux)](https://github.com/mx4/bitc/actions/workflows/ci-linux.yml/badge.svg)](https://github.com/mx4/bitc/actions/workflows/ci-linux.yml)
+[![CI (macOS)](https://github.com/mx4/bitc/actions/workflows/ci-macos.yml/badge.svg)](https://github.com/mx4/bitc/actions/workflows/ci-macos.yml)
 
 ### BITC