Day 1. test build should work

Signed-off-by: Jeff Carr <jcarr@wit.com>

.gitignore

@@ -0,0 +1,7 @@
+*.swp
+go.mod
+go.sum
+/files/*
+/work/*
+
+going2git

Makefile

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+VERSION = $(shell git describe --tags)
+GUIVERSION = $(shell git describe --tags)
+BUILDTIME = $(shell date +%s)
+
+all: build
+
+build: goimports
+	GO111MODULE=off go build -v -x \
+		-ldflags "-X main.VERSION=${VERSION} -X main.BUILDTIME=${BUILDTIME} -X gui.GUIVERSION=${VERSION}"
+	./going2git -h
+
+vet:
+	GO111MODULE=off go vet
+
+goimports:
+	goimports -w *.go
+	# // to globally reset paths:
+	# // gofmt -w -r '"go.wit.com/gui/gadgets" -> "go.wit.com/lib/gadgets"' *.go
+
+install: goimports
+	GO111MODULE=off go install \
+		-ldflags "-X main.VERSION=${VERSION} -X main.BUILDTIME=${BUILDTIME} -X gui.GUIVERSION=${VERSION}"

argv.go

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+package main
+
+/*
+	this parses the command line arguements
+*/
+
+import (
+	"go.wit.com/dev/alexflint/arg"
+)
+
+var argv args
+
+type args struct {
+	Repo     string `arg:"--repo" default:"/etc/gowebd/repomap" help:"what .git repo to use?"`
+	Hostname string `arg:"--hostname" default:"go.wit.com" help:"hostname to use"`
+}
+
+func (args) Version() string {
+	return "going2git " + VERSION + "   Built on " + BUILDTIME
+}
+
+func init() {
+	arg.MustParse(&argv)
+}
+
+func (a args) Description() string {
+	return `
+This is a demo of git2go to show how it works.
+
+Actually, I don't know how to use libgit2 or git2go yet so really this is just
+an example of how to compile something against it.
+`
+}

message.go

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+package main
+
+import (
+	"fmt"
+
+	git "go.wit.com/lib/libgit2"
+	"go.wit.com/log"
+)
+
+// are sent via -ldflags at buildtime
+var VERSION string
+var BUILDTIME string
+
+func main() {
+	var input git.Trailer
+
+	input.Key = "Co-authored-by"
+	input.Value = "Alice <alice@example.com>"
+	/*
+		git2go.Trailer
+		git2go.Trailer{Key: "Signed-off-by", Value: "Bob <bob@example.com>"}}
+	*/
+
+	fmt.Printf("%s", input)
+	actual, err := git.MessageTrailers(input.Key)
+	log.Info("actual", actual, err)
+}