Do not build the book during test (#432)

Avoid spurious changes in the build output directory.

Author: xermicus

.github/workflows/book.yml

@@ -25,9 +25,12 @@ jobs:
       - uses: actions/checkout@v4
         with: { fetch-depth: 0 }
 
-      - name: Install mdBook
+      - name: Install and test the mdBook
         run: make test-book
 
+      - name: Build book
+        run: mdbook build book
+
       - name: Build book to tmp
         run: mdbook build book -d docs-tmp
 

Makefile

@@ -92,7 +92,6 @@ test-llvm-builder:
 test-book:
 	cargo install mdbook --version 0.5.1 --locked
 	mdbook test book
-	mdbook build book
 
 bench: install-bin
 	cargo criterion --all --all-features --message-format=json \