For non-trivial reviews, when there are files with several changes, I tend to do the following in Git:
- Create local branch for the pr to review
- Squash if necessary to get everything in the one commit
- Soft reset, so all the changes are modifications in the working tree
- Go thru the modificiations “in situ” so to speak, so I get the entire context, with changes marked in the IDE, instead of just a few lines on either side.
Just curious if this is “a bit weird”, or something others do as well?
(ed: as others mentioned, a squash-merge and reset, or reset back without squashing, is the same, so step 2 isn’t necessary:))
In my experience, I prefer to review or contribute commits which are logical changes that are compartmentalized enough that if needed, they could be reverted without impacting something completely differently. This doesn’t mean 1 commit is always the right number of commits in a PR.
For example, if you have a feature addition which requires you to update the version of a dependency in the project, and this dependency update breaks existing code, I would have two commits, being:
When stepping through the commits in the PR or looking at a
git blame
, it’s clear which changes were needed because of the new dependency, and which were feature additions.Obviously this isn’t a one size fits all, but if someone submitted a PR with 12 commits of trial and error, and the overall changes are like +2 lines -3 lines, I’d ask them to clean that up before it gets merged.
You can squash merge so it goes into the main branch as one commit, that’s usually how I do it.
Right, for junior devs or trivial changes, that’s fine. My take is if I’m going to make someone take the time to review my work, I take the time to make sure that it’s cleaned up and would be something I would merge if I were reviewing it. Most of this comes from working on some larger Open Source projects which still require patches be submitted via email which I know is a real “back in my day” moment, but it did instil good practices which I try to carry on.