Select "show history", the table that is displayed has entries for all changes to that file on all branches, but there is no indication what branch a particular changeset was applied to.
Alternatively, a selection box (or something) to control which branch is displayed in the table also seems fine.
Select "show history", the table that is displayed has entries for all changes to that file on all branches, but there is no indication what branch a particular changeset was applied to.
Alternatively, a selection box (or something) to control which branch is displayed in the table also seems fine.