Information Technology Reference
In-Depth Information
Selecting any commit loads the corresponding state of the file into the viewer window. The left and right win-
dows use an identical system, so you can view any commit in either. To view the commits for a different file, se-
lect it in the Project Navigator in the usual way.
Instead of a list, you can display a time line—similar to a Time Machine time line—with a list of commits
between the two views. Select the clock/curved arrow icon in the gutter between the two jump bars. You see the
display shown in Figure 14.12. Each “button” in the time line indicates a commit. Older versions appear at the
top of the list, so the initial commit is always the first one from the top. Empty commit slots at the top of the list
appear in a darker gray.
The buttons are animated and expand as you mouse over them. Although you can click a button to select a
commit, it's not always clear in which window your selection will appear. To select a commit in a specific win-
dow, click in the gap to the right or left of the button. The triangle indicator for that window moves to the com-
mit you selected, and the corresponding version of the file is loaded and displayed. The base version at the bot-
tom of the list is the last commit. The local version is the last version after editing and is identical to the Local
Revision in the jump bar menus.
CAUTION
Arguably, the time line list is upside down. The initial commit is the top item, and the most recent edit appears at
the bottom of the time line. Whichever orientation makes more sense to you, it's important to understand that the
commits in the jump bar menu are listed in the opposite order to the time line.
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