example the file is read from the object database and not
the working directory.
+git gui blame --line=100 Makefile::
+
+ Loads annotations as described above and automatically
+ scrolls the view to center on line '100'.
+
git gui citool::
Make one commit and return to the shell when it is complete.
+ This command returns a non-zero exit code if the window was
+ closed in any way other than by making a commit.
+
+git gui citool --amend::
+
+ Automatically enter the 'Amend Last Commit' mode of
+ the interface.
+
+git gui citool --nocommit::
+
+ Behave as normal citool, but instead of making a commit
+ simply terminate with a zero exit code. It still checks
+ that the index does not contain any unmerged entries, so
+ you can use it as a GUI version of linkgit:git-mergetool[1]
git citool::