[#80] add jira unassign and jira give ISSUE --default commands

commands.go

@@ -1040,8 +1040,18 @@ func (c *Cli) CmdLabels(action string, issue string, labels []string) error {
 func (c *Cli) CmdAssign(issue string, user string) error {
 	log.Debugf("assign called")
 
+	var userVal interface{} = user
+	// https://docs.atlassian.com/jira/REST/cloud/#api/2/issue-assign
+	// If the name is "-1" automatic assignee is used. A null name will remove the assignee.
+	if user == "" {
+		userVal = nil
+	}
+	if c.GetOptBool("default", false) {
+		userVal = "-1"
+	}
+
 	json, err := jsonEncode(map[string]interface{}{
-		"name": user,
+		"name": userVal,
 	})
 	if err != nil {
 		return err
@@ -1072,6 +1082,10 @@ func (c *Cli) CmdAssign(issue string, user string) error {
 	return nil
 }
 
+func (c *Cli) CmdUnassign(issue string) error {
+	return c.CmdAssign(issue, "")
+}
+
 // CmdExportTemplates will export the default templates to the template directory.
 func (c *Cli) CmdExportTemplates() error {
 	dir := c.opts["directory"].(string)

main/main.go

@@ -82,7 +82,8 @@ Usage:
   jira comment ISSUE [--noedit] <Edit Options>
   jira (set,add,remove) labels ISSUE [LABEL] ...
   jira take ISSUE
-  jira (assign|give) ISSUE ASSIGNEE
+  jira (assign|give) ISSUE [ASSIGNEE|--default]
+  jira unassign ISSUE
   jira fields
   jira issuelinktypes
   jira transmeta ISSUE
@@ -194,6 +195,7 @@ Command Options:
 		"rank":             "rank",
 		"worklog":          "worklog",
 		"addworklog":       "addworklog",
+		"unassign":         "unassign",
 	}
 
 	defaults := map[string]interface{}{
@@ -251,6 +253,7 @@ Command Options:
 		"Q|quiet":               setopt,
 		"unixproxy":             setopt,
 		"down":                  setopt,
+		"default":               setopt,
 	})
 
 	if err := op.ProcessAll(os.Args[1:]); err != nil {
@@ -503,8 +506,15 @@ Command Options:
 	case "export-templates":
 		err = c.CmdExportTemplates()
 	case "assign":
-		requireArgs(2)
-		err = c.CmdAssign(args[0], args[1])
+		requireArgs(1)
+		assignee := ""
+		if len(args) > 1 {
+			assignee = args[1]
+		}
+		err = c.CmdAssign(args[0], assignee)
+	case "unassign":
+		requireArgs(1)
+		err = c.CmdUnassign(args[0])
 	case "view":
 		requireArgs(1)
 		err = c.CmdView(args[0])