Compile readme examples in CI

.github/workflows/main.yml

@@ -20,6 +20,19 @@ jobs:
     - name: Build
       run: go build -v ./...
 
+  build-readme:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.22'
+
+    - name: Build go snippets in readme
+      run: ./scripts/compile_readme_snippets.sh
+
   test:
     runs-on: ubuntu-latest
     steps:

.gitignore

@@ -1,3 +1,5 @@
+tmp/
+
 teeworlds_client
 teeworlds
 go-teeworlds-protocol

scripts/compile_readme_snippets.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+mkdir -p tmp
+awk '/^```go$/ {p=1}; p; /^```$/ {p=0;print"--- --- ---"}' README.md |
+	grep -vE '^```(go)?$' |
+	csplit \
+		-z -s -\
+		'/--- --- ---/' \
+		'{*}' \
+		--suppress-matched \
+		-f tmp/readme_snippet_ -b '%02d.go'
+
+for snippet in ./tmp/readme_snippet_*.go
+do
+	echo "building $snippet ..."
+	go build -v "$snippet" || exit 1
+done
+