Change the comment ID to use both bug and comment ID references.

Add comment edit command
This commit adds the comment edit command, which provides a CLI tool that allows a user to edit a comment.

3 files changed, 74 insertions, 1 deletions

diff --git a/commands/comment.go b/commands/comment.go
index d8995c3e..eb90624a 100644
--- a/commands/comment.go
+++ b/commands/comment.go
@@ -22,6 +22,7 @@ func newCommentCommand() *cobra.Command {
 	}
 
 	cmd.AddCommand(newCommentAddCommand())
+	cmd.AddCommand(newCommentEditCommand())
 
 	return cmd
 }
diff --git a/commands/comment_edit.go b/commands/comment_edit.go
new file mode 100644
index 00000000..61132967
--- /dev/null
+++ b/commands/comment_edit.go
@@ -0,0 +1,71 @@
+package commands
+
+import (
+	"github.com/spf13/cobra"
+
+	"github.com/MichaelMure/git-bug/input"
+)
+
+type commentEditOptions struct {
+	messageFile string
+	message     string
+}
+
+func newCommentEditCommand() *cobra.Command {
+	env := newEnv()
+	options := commentEditOptions{}
+
+	cmd := &cobra.Command{
+		Use:      "edit <commentid>",
+		Short:    "Edit an existing comment on a bug.",
+		Args:     cobra.ExactArgs(1),
+		PreRunE:  loadBackendEnsureUser(env),
+		PostRunE: closeBackend(env),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runCommentEdit(env, options, args)
+		},
+	}
+
+	flags := cmd.Flags()
+	flags.SortFlags = false
+
+	flags.StringVarP(&options.messageFile, "file", "F", "",
+		"Take the message from the given file. Use - to read the message from the standard input")
+
+	flags.StringVarP(&options.message, "message", "m", "",
+		"Provide the new message from the command line")
+
+	return cmd
+}
+
+func runCommentEdit(env *Env, opts commentEditOptions, args []string) error {
+	b, commentId, err := env.backend.ResolveComment(args[0])
+	if err != nil {
+		return err
+	}
+
+	if opts.messageFile != "" && opts.message == "" {
+		opts.message, err = input.BugCommentFileInput(opts.messageFile)
+		if err != nil {
+			return err
+		}
+	}
+
+	if opts.messageFile == "" && opts.message == "" {
+		opts.message, err = input.BugCommentEditorInput(env.backend, "")
+		if err == input.ErrEmptyMessage {
+			env.err.Println("Empty message, aborting.")
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+	}
+
+	_, err = b.EditComment(commentId, opts.message)
+	if err != nil {
+		return err
+	}
+
+	return b.Commit()
+}
diff --git a/commands/show.go b/commands/show.go
index 9ebd1926..10087f92 100644
--- a/commands/show.go
+++ b/commands/show.go
@@ -158,8 +158,9 @@ func showDefaultFormatter(env *Env, snapshot *bug.Snapshot) error {
 
 	for i, comment := range snapshot.Comments {
 		var message string
-		env.out.Printf("%s#%d %s <%s>\n\n",
+		env.out.Printf("%s%s #%d %s <%s>\n\n",
 			indent,
+			comment.Id().Human(),
 			i,
 			comment.Author.DisplayName(),
 			comment.Author.Email(),