Initial commit

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

main.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/vbatts/git-validation/git"
+	_ "github.com/vbatts/git-validation/rules/dco"
+	"github.com/vbatts/git-validation/validate"
+)
+
+var (
+	flCommitRange = flag.String("range", "", "use this commit range instead")
+	flListRules   = flag.Bool("list-rules", false, "list the rules registered")
+	flRun         = flag.String("run", "", "comma delimited list of rules to run. Defaults to all.")
+	flVerbose     = flag.Bool("v", false, "verbose")
+)
+
+func main() {
+	flag.Parse()
+
+	if *flListRules {
+		for _, r := range validate.RegisteredRules {
+			fmt.Printf("%q -- %s\n", r.Name, r.Description)
+		}
+		return
+	}
+
+	var commitrange string
+	if *flCommitRange != "" {
+		commitrange = *flCommitRange
+	} else {
+		var err error
+		commitrange, err = git.FetchHeadCommit()
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	c, err := git.Commits(commitrange)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	results := validate.Results{}
+	for _, commit := range c {
+		fmt.Printf(" * %s %s ... ", commit["abbreviated_commit"], commit["subject"])
+		vr := validate.Commit(commit, validate.RegisteredRules)
+		results = append(results, vr...)
+		if _, fail := vr.PassFail(); fail == 0 {
+			fmt.Println("PASS")
+			if *flVerbose {
+				for _, r := range vr {
+					if r.Pass {
+						fmt.Printf("  - %s\n", r.Msg)
+					}
+				}
+			}
+		} else {
+			fmt.Println("FAIL")
+			// default, only print out failed validations
+			for _, r := range vr {
+				if !r.Pass {
+					fmt.Printf("  - %s\n", r.Msg)
+				}
+			}
+		}
+	}
+	_, fail := results.PassFail()
+	if fail > 0 {
+		fmt.Printf("%d issues to fix\n", fail)
+		os.Exit(1)
+	}
+}