enable go cache for ci, coverage of ut testing is only available after merge of pr (#3011)

.github/workflows/build_and_test.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+coverage=$1
+
 # find all path that contains go.mod.
 for file in `find . -name go.mod`; do
     dirpath=$(dirname $file)
@@ -54,10 +56,15 @@ for file in `find . -name go.mod`; do
     cd $dirpath
     go mod tidy
     go build ./...
-    go test ./... -race -coverprofile=coverage.out -covermode=atomic -coverpkg=./...,github.com/gogf/gf/... || exit 1
+    # check coverage
+    if [ "${coverage}" = "coverage" ]; then
+      go test ./... -race -coverprofile=coverage.out -covermode=atomic -coverpkg=./...,github.com/gogf/gf/... || exit 1
 
-    if grep -q "/gogf/gf/.*/v2" go.mod; then
+      if grep -q "/gogf/gf/.*/v2" go.mod; then
         sed -i "s/gogf\/gf\(\/.*\)\/v2/gogf\/gf\/v2\1/g" coverage.out
+      fi
+    else
+      go test ./... -race || exit 1
     fi
 
     cd -

.github/workflows/gf.yml

@@ -190,14 +190,18 @@ jobs:
       uses: actions/setup-go@v4
       with:
         go-version: ${{ matrix.go-version }}
-        cache: false
-        cache-dependency-path: '**/go.sum'
+        cache-dependency-path: '**/go.sum' 
 
     - name: Before Script
       run:  bash .github/workflows/before_script.sh
 
     - name: Build & Test
-      run:  bash .github/workflows/build_and_test.sh
+      if: ${{ (github.event_name == 'push' && github.ref != 'refs/heads/master') || github.event_name == 'pull_request' }}
+      run: bash .github/workflows/build_and_test.sh
+
+    - name: Build & Test & Coverage
+      if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
+      run: bash .github/workflows/build_and_test.sh coverage
 
     - name: Stop Redis Cluster Containers
       run:  docker-compose -f ".github/workflows/redis/docker-compose.yml" down
@@ -213,6 +217,6 @@ jobs:
 
     - name: Report Coverage
       uses: codecov/codecov-action@v3
+      if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
       with:
         flags: go-${{ matrix.go-version }}-${{ matrix.goarch }}
-