add version print option

arguments.go

@@ -9,6 +9,7 @@ import (
 // declare the struct that holds all the arguments
 type arguments struct {
 	paths     *[]string
+	version   *bool
 	all       *bool
 	bytes     *bool
 	mdate     *bool
@@ -34,6 +35,7 @@ type arguments struct {
 
 var args = arguments{
 	kingpin.Arg("paths", "the files(s) and/or folder(s) to display").Default(".").Strings(),
+	kingpin.Flag("version", "print version and exit").Short('v').Bool(),
 	kingpin.Flag("all", "show hidden files").Short('a').Bool(),
 	kingpin.Flag("bytes", "include size").Short('b').Bool(),
 	kingpin.Flag("mdate", "include modification date").Short('m').Bool(),

ls-go.go

@@ -19,6 +19,8 @@ import (
 	kingpin "gopkg.in/alecthomas/kingpin.v2"
 )
 
+const VERSION = "0.2.3"
+
 // DisplayItem wraps the file stat info and string to be printed
 type DisplayItem struct {
 	display  string
@@ -63,6 +65,12 @@ func main() {
 	// parse the arguments and populate the struct
 	kingpin.Parse()
 	argsPostParse()
+
+	if *args.version {
+		fmt.Println("v" + VERSION)
+		return
+	}
+
 	generateColors()
 
 	// separate the directories from the regular files

release.sh

@@ -7,8 +7,9 @@ if ! command -v gh >/dev/null; then
   exit 1
 fi
 
-TAG=0.2.2
+TAG=$(grep 'VERSION =' ls-go.go | grep -oE '\d+\.\d+.\d+')
 
+git tag --force latest
 git tag -a v$TAG -m "release v$TAG"
 
 git push origin master --tags