Merge pull request #187 from vbatts/version

*: move version from library to cmd, and generate it

Makefile

@@ -82,7 +82,7 @@ CLEAN_FILES += .cli.test .cli.test.tags
 build: $(BUILD)
 
 $(BUILD): $(SOURCE_FILES)
-	go build -mod=vendor -o $(BUILD) $(BUILDPATH)
+	go build -ldflags="-X 'main.Version=$(shell git describe --always --dirty)'" -mod=vendor -o $(BUILD) $(BUILDPATH)
 
 install.tools:
 	@go install -u github.com/fatih/color@latest ; \

cmd/gomtree/main.go

@@ -14,9 +14,12 @@ import (
 	"github.com/vbatts/go-mtree"
 )
 
+var Version string
+
 func main() {
 	app := cli.NewApp()
-	app.Name = mtree.AppName
+	app.Name = "gomtree"
+	app.Version = Version
 	app.Usage = "map a directory hierarchy"
 	app.Description = `The gomtree utility compares the file hierarchy rooted in
 the current directory against a specification read from file or standard input.
@@ -26,7 +29,6 @@ hierarchy or the specification.
 
 This tool is written in likeness to the BSD MTREE(6), with notable additions
 to support xattrs and interacting with tar archives.`
-	app.Version = mtree.Version
 	// cli docs --> https://github.com/urfave/cli/blob/master/docs/v2/manual.md
 	app.Flags = []cli.Flag{
 		// Flags common with mtree(8)