Add checks for gofmt

Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>

.github/workflows/go-tests.yml

@@ -18,19 +18,20 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y libbtrfs-dev
+          sudo apt-get install -y libbtrfs-dev build-essential
 
       - uses: actions/setup-go@v3
+        with:
+          go-version: 'stable'
       - uses: actions/checkout@v3
       - uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.49.0
           skip-cache: true
           args: --timeout=8m --build-tags testing
-      - name: Verify go vendor and go modules
+      - name: Verify go vendor, go modules and gofmt
         run: |
           sudo apt-get install -y jq
-          make verify-vendor
+          make verify
 
   go-tests:
     runs-on: ubuntu-latest

Makefile

@@ -21,6 +21,9 @@ build-static:
 test:
 	go test -race -mod=vendor -tags testing -v $(TEST_ARGS) -timeout=15m -parallel=4 -count=1 ./...
 
+fmtcheck:
+	@gofmt -l -s $$(go list ./... | sed 's|garm/||g') | grep ".*\.go"; if [ "$$?" -eq 0 ]; then echo "gofmt check failed; please tun gofmt -w -s"; exit 1;fi
+
 verify-vendor: ## verify if all the go.mod/go.sum files are up-to-date
 	$(eval TMPDIR := $(shell mktemp -d))
 	@cp -R ${ROOTDIR} ${TMPDIR}
@@ -28,3 +31,4 @@ verify-vendor: ## verify if all the go.mod/go.sum files are up-to-date
 	@diff -r -u -q ${ROOTDIR} ${TMPDIR}/garm
 	@rm -rf ${TMPDIR}
 
+verify: verify-vendor fmtcheck