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Git: Mastering Version Control by Jakub Narębski, Rasmus Voss, Aske Olsson, Ferdinando Santacroce

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Viewing the DAG

The history in Git is formed from the commit objects; as development advances, branches are created and merged, and the history will create a directed acyclic graph, the DAG, due to the way Git ties a commit to its parent commit. The DAG makes it easy to see the development of a project based on the commits. Please note that the arrows in the following diagram are dependency arrows, meaning that each commit points to its parent commit(s), hence the arrows point in the opposite direction of time:

Viewing the DAG

A graph of the example repository with abbreviated commit IDs

Viewing the history (the DAG) is built into Git by its git log command. There ...

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