diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4901bce..93734aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,15 +2,11 @@ name: Continuous Integration
 on: 
   push:
     branches:
-     - main
+      - main
   pull_request:
 
 jobs:
-  test-job:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Successful test
-        run: echo "The job was automatically triggered by a ${{ github.event_name }} event."
+
   test-makefile:
     name: build and test makefile
     runs-on: ubuntu-latest
@@ -19,6 +15,25 @@ jobs:
       - uses: actions/setup-go@v6
         with:
           go-version: "1.23"
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y make tar diffutils bzip2 gzip curl git
       - name: run make
         run: make
 
+  test-fedora:
+    name: build and test on Fedora latest
+    runs-on: ubuntu-latest
+    container:
+      image: quay.io/fedora/fedora:latest
+      options: --user root
+    steps:
+      - name: Install dependencies
+        run: |
+          dnf update -y
+          dnf install -y golang make tar diffutils bzip2 gzip curl git which
+      - name: Check out repository
+        uses: actions/checkout@v6
+      - name: Build and test
+        run: make
diff --git a/.gitignore b/.gitignore
index b7cfcc3..3ac0386 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 cmd/tar-diff/tar-diff
 cmd/tar-patch/tar-patch
+.secrets
diff --git a/Makefile b/Makefile
index 64aa746..f357a38 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,20 @@
-.PHONY: all build clean fmt install lint test tools unit-test integration-test validate .install.gitvalidation .install.golangci-lint .gitvalidation
+.PHONY: all build clean fmt install lint test tools unit-test integration-test validate .install.golangci-lint
 
 export GOPROXY=https://proxy.golang.org
 
+
 GOBIN := $(shell go env GOBIN)
 ifeq ($(GOBIN),)
+GOPATH := $(shell go env GOPATH)
 GOBIN := $(GOPATH)/bin
 endif
 
-BUILDFLAGS :=
+GOFLAGS:=
+ifeq ($(GOFLAGS),)
+GOFLAGS := -buildvcs=false
+endif
 
-PACKAGES := $(shell go list $(BUILDFLAGS) ./...)
+PACKAGES := $(shell go list $(GOFLAGS) ./...)
 SOURCE_DIRS = $(shell echo $(PACKAGES) | awk 'BEGIN{FS="/"; RS=" "}{print $$4}' | uniq)
 
 PREFIX ?= ${DESTDIR}/usr
@@ -17,32 +22,27 @@ INSTALLDIR=${PREFIX}/bin
 
 export PATH := $(PATH):${GOBIN}
 
-all: tools tar-diff tar-patch test validate .gitvalidation
+all: tools tar-diff tar-patch test validate
 
 build:
-	go build $(BUILDFLAGS) ./...
+	go build $(GOFLAGS) ./...
 
 tar-diff:
-	go build $(BUILDFLAGS) ./cmd/tar-diff
+	go build $(GOFLAGS) ./cmd/tar-diff
 
 tar-patch:
-	go build $(BUILDFLAGS) ./cmd/tar-patch
+	go build $(GOFLAGS) ./cmd/tar-patch
 
 install: tar-diff tar-patch
 	install -d -m 755 ${INSTALLDIR}
 	install -m 755 tar-diff ${INSTALLDIR}/tar-diff
 	install -m 755 tar-patch ${INSTALLDIR}/tar-patch
 
-tools: .install.gitvalidation .install.golangci-lint
-
-.install.gitvalidation:
-	if [ ! -x "$(GOBIN)/git-validation" ]; then \
-		go install github.com/vbatts/git-validation@latest; \
-	fi
+tools: .install.golangci-lint
 
 .install.golangci-lint:
 	if [ ! -x "$(GOBIN)/golangci-lint" ]; then \
-		curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(GOBIN) latest; \
+		curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/main/install.sh | sh -s -- -b $(GOBIN) v1.62.2; \
 	fi
 
 clean:
@@ -52,7 +52,7 @@ integration-test: tar-diff tar-patch
 	tests/test.sh
 
 unit-test:
-	go test $(BUILDFLAGS) -cover ./...
+	go test $(GOFLAGS) -cover ./...
 
 test: unit-test integration-test
 
@@ -60,18 +60,8 @@ fmt:
 	@gofmt -l -s -w $(SOURCE_DIRS)
 
 validate: lint
-	@go vet ./...
+	@go vet $(GOFLAGS) ./...
 	@test -z "$$(gofmt -s -l . | tee /dev/stderr)"
 
 lint:
-	$(GOBIN)/golangci-lint run
-
-.gitvalidation:
-	@which $(GOBIN)/git-validation > /dev/null 2>/dev/null || (echo "ERROR: git-validation not found. Consider 'make clean && make tools'" && false)
-ifeq ($(GITHUB_ACTIONS),true)
-	$(GOBIN)/git-validation -q -run DCO,short-subject,dangling-whitespace
-else
-	git fetch -q "https://github.com/containers/tar-diff.git" "refs/heads/master"
-	upstream="$$(git rev-parse --verify FETCH_HEAD)" ; \
-		$(GOBIN)/git-validation -q -run DCO,short-subject,dangling-whitespace -range $$upstream..HEAD
-endif
+	GOFLAGS=$(GOFLAGS) $(GOBIN)/golangci-lint run