UPSTREAM: <carry>: add commitchecker

Signed-off-by: dtfranz <[email protected]>

Author: dtfranz

openshift/Makefile

@@ -14,3 +14,14 @@ manifests: $(KUSTOMIZE) $(YQ)
 .PHONY: verify-manifests
 verify-manifests: manifests
 	git diff --exit-code
+
+COMMITCHECKER := $(DIR)/bin/commitchecker
+
+.PHONY: commitchecker
+$(COMMITCHECKER):
+	mkdir -p $(DIR)/bin
+	cd $(DIR) && go build -o $(COMMITCHECKER) ./commitchecker
+
+.PHONY: verify-commits
+verify-commits: $(COMMITCHECKER)
+	$(COMMITCHECKER) -start $(shell echo $${PULL_BASE_SHA:-main})

openshift/commitchecker/README.md

@@ -0,0 +1,2 @@
+Initial code copied
+from https://github.com/openshift/kubernetes/tree/0abcd84431df81ed9f2a1846b5045e46d9032cc1/openshift-hack/commitchecker.

openshift/commitchecker/commitchecker.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+)
+
+func main() {
+	var start, end string
+	flag.StringVar(&start, "start", "master", "The start of the revision range for analysis")
+	flag.StringVar(&end, "end", "HEAD", "The end of the revision range for analysis")
+	flag.Parse()
+
+	commits, err := CommitsBetween(start, end)
+	if err != nil {
+		if err == ErrNotCommit {
+			_, _ = fmt.Fprintf(os.Stderr, "WARNING: one of the provided commits does not exist, not a true branch\n")
+			os.Exit(0)
+		}
+		_, _ = fmt.Fprintf(os.Stderr, "ERROR: couldn't find commits from %s..%s: %v\n", start, end, err)
+		os.Exit(1)
+	}
+
+	var errs []string
+	for _, validate := range AllCommitValidators {
+		for _, commit := range commits {
+			errs = append(errs, validate(commit)...)
+		}
+	}
+
+	if len(errs) > 0 {
+		for _, e := range errs {
+			_, _ = fmt.Fprintf(os.Stderr, "%s\n\n", e)
+		}
+
+		os.Exit(2)
+	}
+}