优化 Bun 安装脚本，简化代码结构

.gitea/workflows/package.yml

@@ -56,27 +56,27 @@ jobs:
 
       - name: Install Bun
         run: |
-            case "$(uname -m)" in
+          case "$(uname -m)" in
-              x86_64)
+            x86_64)
-                BUN_ARCH="x64"
+              BUN_ARCH="x64"
-                ;;
+              ;;
-              aarch64|arm64)
+            aarch64|arm64)
-                BUN_ARCH="aarch64"
+              BUN_ARCH="aarch64"
-                ;;
+              ;;
-              *)
+            *)
-                echo "Unsupported architecture: $(uname -m)"
+              echo "Unsupported architecture: $(uname -m)"
-                exit 1
+              exit 1
-                ;;
+              ;;
-            esac
+          esac
 
-            BUN_ASSET="bun-linux-${BUN_ARCH}.zip"
+          BUN_ASSET="bun-linux-${BUN_ARCH}.zip"
-            BUN_MIRROR_URL="https://ghproxy.net/https://github.com/oven-sh/bun/releases/latest/download/${BUN_ASSET}"
+          BUN_MIRROR_URL="https://ghproxy.net/https://github.com/oven-sh/bun/releases/latest/download/${BUN_ASSET}"
 
-            curl -fL --retry 3 --retry-delay 5 "$BUN_MIRROR_URL" -o /tmp/bun.zip
+          curl -fL --retry 3 --retry-delay 5 "$BUN_MIRROR_URL" -o /tmp/bun.zip
-            rm -rf "$HOME/.bun"
+          rm -rf "$HOME/.bun"
-            mkdir -p "$HOME/.bun/bin"
+          mkdir -p "$HOME/.bun/bin"
-            unzip -qo /tmp/bun.zip -d /tmp
+          unzip -qo /tmp/bun.zip -d /tmp
-            install -m 0755 "/tmp/bun-linux-${BUN_ARCH}/bun" "$HOME/.bun/bin/bun"
+          install -m 0755 "/tmp/bun-linux-${BUN_ARCH}/bun" "$HOME/.bun/bin/bun"
           echo "$HOME/.bun/bin" >> "$GITHUB_PATH"
 
       - name: Install dependencies