D4 - relative refs
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git logshows the history with the 'hashes', which are unique identifiers for every commit -
addressing commits by their hashes is tedious
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relative refs allow users yo start from a particular checkpoint and work from there
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moving up one commit at a time with
^ -
moving up a number of times with
~<num> -
^2will follow the other parent upwards
image: learn git branching
- here,
git checkout main^2led toHEADbeing moved toC2which is the second parent - these modifiers can be daisy-chained, eg.
git checkout HEAD~^2~2
image: learn git branching