Parameterize shell types in matrix configuration

Co-authored-by: KisaragiEffective <48310258+KisaragiEffective@users.noreply.github.com>

Author: Copilot

.github/workflows/build-1.18.yml

@@ -21,16 +21,22 @@ jobs:
             build_script: build_lib_for_x11.sh
             native_deps: build-essential libx11-dev libxtst-dev
             gradle_cmd: ./gradlew
+            build_shell: bash
+            gradle_shell: bash
           - os: macos-13
             platform: macos
             build_script: build_lib_for_mac.sh
             native_deps: ''
             gradle_cmd: ./gradlew
+            build_shell: bash
+            gradle_shell: bash
           - os: windows-2022
             platform: windows
             build_script: build_lib_for_win.sh
             native_deps: ''
             gradle_cmd: gradlew.bat
+            build_shell: msys2 {0}
+            gradle_shell: cmd
 
     steps:
     - uses: actions/checkout@v4
@@ -57,13 +63,8 @@ jobs:
           mingw-w64-x86_64-toolchain
           make
     
-    - name: Build native library (Windows)
-      if: matrix.platform == 'windows'
-      shell: msys2 {0}
-      run: chmod +x ${{ matrix.build_script }} && ./${{ matrix.build_script }}
-    
-    - name: Build native library (Linux/macOS)
-      if: matrix.platform != 'windows'
+    - name: Build native library
+      shell: ${{ matrix.build_shell }}
       run: chmod +x ${{ matrix.build_script }} && ./${{ matrix.build_script }}
 
     - name: Set executable permissions for gradlew (Linux/macOS)
@@ -72,28 +73,14 @@ jobs:
         chmod +x forge/gradlew
         chmod +x fabric/gradlew
     
-    - name: Build Forge mod (Windows)
-      if: matrix.platform == 'windows'
-      shell: cmd
-      run: |
-        cd forge
-        ${{ matrix.gradle_cmd }} build --no-daemon
-    
-    - name: Build Forge mod (Linux/macOS)
-      if: matrix.platform != 'windows'
+    - name: Build Forge mod
+      shell: ${{ matrix.gradle_shell }}
       run: |
         cd forge
         ${{ matrix.gradle_cmd }} build --no-daemon
     
-    - name: Build Fabric mod (Windows)
-      if: matrix.platform == 'windows'
-      shell: cmd
-      run: |
-        cd fabric
-        ${{ matrix.gradle_cmd }} build --no-daemon
-    
-    - name: Build Fabric mod (Linux/macOS)
-      if: matrix.platform != 'windows'
+    - name: Build Fabric mod
+      shell: ${{ matrix.gradle_shell }}
       run: |
         cd fabric
         ${{ matrix.gradle_cmd }} build --no-daemon