GNOME Bugzilla – Bug 760376
Leaving the first line empty in commit message hangs gitg
Last modified: 2016-01-10 12:29:38 UTC
As the summary says... pressing Enter by accident in the commit message popup hangs gitg.
This problem has been fixed in the unstable development version. The fix will be available in the next major software release. You may need to upgrade your Linux distribution to obtain that newer version.