cmd/config.go

@@ -23,6 +23,7 @@ import (
 	go_git "gopkg.in/src-d/go-git.v4"
 
 	"github.com/go-gitea/yaml"
+	"github.com/hashicorp/go-version"
 )
 
 // Login represents a login to a gitea server, you even could add multiple logins for one gitea server
@@ -35,6 +36,28 @@ type Login struct {
 	Insecure bool   `yaml:"insecure"`
 }
 
+// Checks the logins server against a version constraint such as ">= 1.11.0+dev"
+func (l *Login) CheckServerVersionConstraint (constraint string) error {
+	c, err := version.NewConstraint(constraint)
+	if err != nil {
+		return err
+	}
+	serverVersionRaw, err := l.Client().ServerVersion()
+	if err != nil {
+		return err
+	}
+	serverVersion, err := version.NewVersion(serverVersionRaw)
+	if err != nil {
+		return err
+	}
+	if !c.Check(serverVersion) {
+		return fmt.Errorf("gitea server at %s does not satisfy version constraint %s", l.URL, constraint)
+	}
+
+	return nil
+}
+
+
 // Client returns a client to operate Gitea API
 func (l *Login) Client() *gitea.Client {
 	client := gitea.NewClient(l.URL, l.Token)

cmd/times.go

@@ -49,6 +49,10 @@ var CmdTrackedTimes = cli.Command{
 func runTrackedTimes(ctx *cli.Context) error {
 	login, owner, repo := initCommand()
 
+	if err := login.CheckServerVersionConstraint(">= 1.11"); err != nil {
+		return err
+	}
+
 	var times []*gitea.TrackedTime
 	var err error
 

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/araddon/dateparse v0.0.0-20190622164848-0fb0a474d195
 	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
 	github.com/go-gitea/yaml v0.0.0-20170812160011-eb3733d160e7
+	github.com/hashicorp/go-version v1.2.0
 	github.com/mattn/go-runewidth v0.0.4 // indirect
 	github.com/olekukonko/tablewriter v0.0.1
 	github.com/stretchr/testify v1.4.0