Gong comment is implemented

README.md

@@ -51,15 +51,15 @@ While working on a branch that matches the gong regular expression (look
 above), you can type `gong browse` and it will open up a browser opened on the
 issue automatically.
 
-## Upcoming features
-
-### gong comment
+### `gong comment`
 
 While working on a branch that matches the gong regular expression, you can
 type `gong comment "some comment"` and it will send a comment on the ticket. 
 
 This is a perfect way to streamline communication
 
+## Upcoming features
+
 ### gong slack
 
 Send a message to a slack channel, tagging the issue you are working on

cmd/gong/main.go

@@ -126,6 +126,48 @@ func main() {
 				return nil
 			},
 		},
+
+		{
+			Name:  "comment",
+			Usage: "Comment on the issue you are working on, accepts an argument or STDIN",
+			Action: func(c *cli.Context) error {
+				comment := c.Args()[0]
+
+				cmd := "git"
+				args := []string{"rev-parse", "--abbrev-ref", "HEAD"}
+
+				out, err := exec.Command(cmd, args...).Output()
+
+				if err != nil {
+					return err
+				}
+
+				branchName := string(out)
+
+				issueID, err := gong.GetIssueID(branchName)
+
+				if err != nil {
+					return err
+				}
+
+				jiraClient, err := gong.GetAuthenticatedClient()
+				if err != nil {
+					fmt.Println(err)
+					return err
+				}
+
+				err = gong.AddComment(jiraClient, issueID, comment)
+
+				if err != nil {
+					fmt.Println(err)
+					return err
+				}
+
+				fmt.Println("Comment added to the jira ticket")
+
+				return nil
+			},
+		},
 	}
 	app.Run(os.Args)
 }

issue_details.go

@@ -18,6 +18,15 @@ func GetIssueID(branchName string) (string, error) {
 	return matches[0], nil
 }
 
+func AddComment(jiraClient *jira.Client, issueID string, commentBody string) error {
+	comment := &jira.Comment{
+		Body: commentBody,
+	}
+	_, _, err := jiraClient.Issue.AddComment(issueID, comment)
+
+	return err
+}
+
 func GetBranchName(jiraClient *jira.Client, issueId string, issueType string) string {
 	issue, _, _ := jiraClient.Issue.Get(issueId, nil)