gnbug: Add edit sub-command.

* gnbug (main): Add edit sub-command.
* README.gmi (gnbug): Document it.

1 files changed, 7 insertions, 0 deletions

diff --git a/gnbug b/gnbug
index 9ec0e62..a617995 100755
--- a/gnbug
+++ b/gnbug
@@ -230,5 +230,12 @@ terminal."
                                                                                     ")")))))))))
                                rcount
                                (issues)))))
+    ((_ "edit" issue-number)
+     (unless (getenv "EDITOR")
+       (error "Please set the EDITOR environment variable to your favorite editor. For example,
+export EDITOR=emacsclient"))
+     (invoke (getenv "EDITOR")
+             (issue-file (list-ref (issues)
+                                   (1- (string->number issue-number))))))))
 
 (apply main (command-line))