From e0b43acf42a9b4080dc2d4ab9c6c00aef62e8794 Mon Sep 17 00:00:00 2001
From: Gwilym Kuiper <gw@ilym.me>
Date: Wed, 12 Jan 2022 23:28:12 +0000
Subject: [PATCH] Move building the book to its own workflow since it takes
 forever to install mdbook

---
 .github/workflows/build-book.yml | 38 ++++++++++++++++++++++++++++++++
 .github/workflows/rust.yml       |  7 +-----
 2 files changed, 39 insertions(+), 6 deletions(-)
 create mode 100644 .github/workflows/build-book.yml

diff --git a/.github/workflows/build-book.yml b/.github/workflows/build-book.yml
new file mode 100644
index 00000000..53acff48
--- /dev/null
+++ b/.github/workflows/build-book.yml
@@ -0,0 +1,38 @@
+name: Build book
+
+on:
+  push:
+    branches: [ master ]
+    paths:
+      'book/**'
+  pull_request:
+    branches: [ master ]
+    paths:
+      'book/**'
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Set CARGO_TARGET_DIR
+      run: echo "CARGO_TARGET_DIR=$HOME/target" >> $GITHUB_ENV
+    - name: Install build tools
+      run: sudo apt-get update && sudo apt-get install build-essential binutils-arm-none-eabi libelf-dev zip -y
+    - uses: actions/checkout@v2
+    - name: Cache
+      uses: actions/cache@v2.1.7
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          ~/target
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Install mdbook
+      run: cargo install mdbook
+    - name: Build the book
+      run: mdbook build
+      working-directory: book
\ No newline at end of file
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ba70b868..363ff545 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -31,12 +31,7 @@ jobs:
       run: cargo install --path mgba-test-runner --verbose
     - name: Install gbafix
       run: cargo install gbafix
-    - name: Install mdbook
-      run: cargo install mdbook
     - name: Build and test all crates
       run: bash .github/scripts/run-branch-build.sh
     - name: Build example projects
-      run: bash .github/scripts/build-example-gba-files.sh
-    - name: Build the book
-      run: mdbook build
-      working-directory: book
\ No newline at end of file
+      run: bash .github/scripts/build-example-gba-files.sh
\ No newline at end of file