feat: enhance GitHub Actions test workflow and update version

- Add manual trigger support with workflow_dispatch
- Implement Go version matrix testing (1.20, 1.21)
- Add comprehensive caching for Go modules
- Upgrade actions/setup-go to v5
- Add multi-OS testing matrix (Ubuntu, Windows, macOS)
- Update Makefile version to match latest release (1.0.2)
- Ensure consistent testing across environments

Author: rajamohan-rj

.github/workflows/test.yml

@@ -5,19 +5,26 @@ on:
     branches: [ main ]
   pull_request:
     branches: [ main ]
+  workflow_dispatch:
+    # Enables manual triggering
 
 jobs:
   test:
     runs-on: ubuntu-latest
-    
+
+    strategy:
+      matrix:
+        go-version: [ '1.20', '1.21' ]
+
     steps:
-    - uses: actions/checkout@v4
-    
+    - name: Checkout code
+      uses: actions/checkout@v4
+
     - name: Set up Go
-      uses: actions/setup-go@v4
+      uses: actions/setup-go@v5
       with:
-        go-version: '1.21'
-    
+        go-version: ${{ matrix.go-version }}
+
     - name: Cache Go modules
       uses: actions/cache@v3
       with:
@@ -27,41 +34,45 @@ jobs:
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
         restore-keys: |
           ${{ runner.os }}-go-
-    
+
+    - name: Download dependencies
+      run: go mod download
+
     - name: Run tests
       run: go test -v ./...
-    
+
     - name: Run go vet
       run: go vet ./...
-    
+
     - name: Run go fmt
       run: |
         if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then
           echo "The following files are not formatted:"
           gofmt -s -l .
           exit 1
         fi
-    
+
     - name: Build
       run: go build -v .
 
   test-multiple-os:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-        go-version: ['1.21', '1.22']
-    
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+        go-version: [ '1.21', '1.22' ]
+
     steps:
-    - uses: actions/checkout@v4
-    
+    - name: Checkout code
+      uses: actions/checkout@v4
+
     - name: Set up Go
-      uses: actions/setup-go@v4
+      uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
-    
+
     - name: Build
       run: go build -v .
-    
+
     - name: Test
       run: go test -v ./...

Makefile

@@ -1,5 +1,5 @@
 APP=kdiff
-VERSION=0.1.0
+VERSION=1.0.2
 COMMIT=$(shell git rev-parse --short HEAD 2>/dev/null || echo "none")
 DATE=$(shell date -u +%Y-%m-%dT%H:%M:%SZ)