Have just 1 script which runs all the different parts of the build

.github/scripts/run-branch-build.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -e # Fail if any command fails
+
+CARGO_PROJECT_FILES=( agb-*/Cargo.toml agb/Cargo.toml examples/*/Cargo.toml book/games/*/Cargo.toml )
+
+for CARGO_PROJECT_FILE in "${CARGO_PROJECT_FILES[@]}"; do
+    PROJECT_DIR=$(dirname "$CARGO_PROJECT_FILE")
+
+    echo "Checking project $PROJECT_DIR"
+    (cd "$PROJECT_DIR" && cargo build)
+
+    if echo "$PROJECT_DIR" | grep -qE '^agb'; then
+        echo "Running clippy on $PROJECT_DIR"
+        (cd "$PROJECT_DIR" && cargo clippy)
+
+        echo "Testing $PROJECT_DIR in debug mode"
+        (cd "$PROJECT_DIR" && cargo test)
+
+        echo "Testing $PROJECT_DIR and release mode"
+        (cd "$PROJECT_DIR" && cargo test --release)
+    fi
+done