cleaner version checking code and actually enabling it to run

.goreleaser.yml

@@ -11,7 +11,7 @@ builds:
       - -s -w -X github.com/ruelala/arconn/pkg/utils.binary=arconn
       - -s -w -X github.com/ruelala/arconn/pkg/utils.commit={{.Commit}}
       - -s -w -X github.com/ruelala/arconn/pkg/utils.date={{.Date}}
-      - -s -w -X github.com/ruelala/arconn/pkg/utils.version={{.Version}}
+      - -s -w -X github.com/ruelala/arconn/pkg/utils.version=v{{.Version}}
 
 changelog:
   sort: desc
@@ -25,4 +25,4 @@ changelog:
 archives:
   - id: default
     format: zip
-    name_template: "{{.ProjectName}}-{{.Version}}-{{.Os}}-{{.Arch}}"
+    name_template: "{{.ProjectName}}-v{{.Version}}-{{.Os}}-{{.Arch}}"

cmd/arconn/main.go

@@ -10,6 +10,7 @@ import (
 )
 
 func main() {
+	utils.IsLatest()
 	args := utils.ParseFlags()
 	target := utils.Target{}
 

go.mod

@@ -22,6 +22,7 @@ require (
 	github.com/twinj/uuid v1.0.0
 	github.com/xtaci/smux v1.5.24
 	golang.org/x/crypto v0.17.0
+	golang.org/x/mod v0.14.0
 	golang.org/x/sync v0.5.0
 	golang.org/x/sys v0.15.0
 )

go.sum

@@ -85,6 +85,8 @@ github.com/xtaci/smux v1.5.24 h1:77emW9dtnOxxOQ5ltR+8BbsX1kzcOxQ5gB+aaV9hXOY=
 github.com/xtaci/smux v1.5.24/go.mod h1:OMlQbT5vcgl2gb49mFkYo6SMf+zP3rcjcwQz7ZU7IGY=
 golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
 golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
+golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
 golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
 golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=

pkg/utils/utils.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/buger/jsonparser"
 	"github.com/integrii/flaggy"
+	"golang.org/x/mod/semver"
 )
 
 // these get passed in as ldflags by goreleaser
@@ -21,7 +22,7 @@ var binary string
 
 func IsLatest() {
 	var client http.Client
-	url := fmt.Sprintf("https://api.github.com/repos/RueLaLa/%s/releases/latest", BinaryName())
+	url := fmt.Sprintf("https://api.github.com/repos/RueLaLa/%s/releases/latest", binary)
 	resp, err := client.Get(url)
 	if err != nil {
 		return
@@ -37,9 +38,15 @@ func IsLatest() {
 	if err != nil {
 		return
 	}
-	fmt.Printf("v%s\n", version)
-	if latest != fmt.Sprintf("v%s", version) {
-		fmt.Printf("A new version of %s is available (%s), head to https://github.com/RueLaLa/%s/releases/latest to get the latest binary\n", binary, latest, binary)
+
+	// this function returns 0 for equality, 1 if left value is greater, and -1 if right value is greater
+	comparison := semver.Compare(latest, version)
+	html_url, err := jsonparser.GetString(bodyBytes, "html_url")
+	if err != nil {
+		return
+	}
+	if comparison == 1 {
+		fmt.Printf("A new version is available (%s), head to %s to get the latest binary\n", latest, html_url)
 	}
 }