Add support to create a plugin (#255)

* Add support to create a plugin

* Use syscal instead of execute

* Add i18n entry

* Fix the mvn execution

* Add comment for PluginCreateOptions

app/cmd/plugin_create.go

+package cmd
+
+import (
+	"os"
+	"os/exec"
+	"syscall"
+
+	"github.com/jenkins-zh/jenkins-cli/app/i18n"
+
+	"github.com/spf13/cobra"
+)
+
+// PluginCreateOptions for the plugin create command
+type PluginCreateOptions struct {
+	Debug bool
+}
+
+var pluginCreateOptions PluginCreateOptions
+
+func init() {
+	pluginCmd.AddCommand(pluginCreateCmd)
+	pluginCreateCmd.Flags().BoolVar(&pluginCreateOptions.Debug, "debug-output", false,
+		i18n.T("If you want the maven output the debug info"))
+}
+
+var pluginCreateCmd = &cobra.Command{
+	Use:   "create",
+	Short: i18n.T("Create a plugin project from the archetypes"),
+	Long: i18n.T(`Create a plugin project from the archetypes
+Plugin tutorial is here https://jenkins.io/doc/developer/tutorial/`),
+	RunE: func(cmd *cobra.Command, _ []string) (err error) {
+		binary, err := exec.LookPath("mvn")
+		if err == nil {
+			env := os.Environ()
+
+			mvnArgs := []string{"mvn", "archetype:generate", "-U", `-Dfilter=io.jenkins.archetypes:`}
+			if pluginCreateOptions.Debug {
+				mvnArgs = append(mvnArgs, "-X")
+			}
+			err = syscall.Exec(binary, mvnArgs, env)
+		}
+		return
+	},
+}

app/i18n/jcli/zh_CN/LC_MESSAGES/jcli.po

@@ -24,7 +24,11 @@ msgstr ""
 
 #: app/cmd/plugin_check.go:27 app/cmd/plugin_check.go:28
 msgid "Check update center server"
-msgstr ""
+msgstr "检查插件更新中心"
+
+#: app/cmd/plugin_create.go:18
+msgid   "Create a plugin project from the archetypes"
+msgstr  "根据 Maven 骨架创建插件工程"
 
 #: app/cmd/center_download.go:44
 msgid "Download Jenkins from a mirror site. You can get more mirror sites from https://jenkins-zh.cn/tutorial/management/mirror/"
@@ -90,6 +94,11 @@ msgstr ""
 msgid "Input a job in your Jenkins"
 msgstr ""
 
+#: app/cmd/plugin_create.go:19
+msgid   "Create a plugin project from the archetypes\n"
+        "Plugin tutorial is here https://jenkins.io/doc/developer/tutorial/"
+msgstr  ""
+
 #: app/cmd/job_log.go:38
 msgid "Print the job's log of your Jenkins"
 msgstr "输出任务的日志"
@@ -228,7 +237,7 @@ msgstr  "设置更新中心为一个镜像地址"
 
 #: app/cmd/plugin_search.go:33 app/cmd/plugin_search.go:34
 msgid "Print the plugins of your Jenkins"
-msgstr "列出你的 Jenkins 中的插件"
+msgstr "搜索插件"
 
 #: app/cmd/plugin_upload.go:39
 msgid "Whether show the upload progress"