Squash ebfd367 Jekyll has become self-aware. Squash 6340aaa Moving license into its own file So, changing the first four lines of the file to this will do the trick: pick 01d1124 Adding license You have plenty of options available to you from this screen, but right now we’re just going to squash everything into one commit. Git has now put me into an editor with the above text in it, and a little explanation of what can be done. First of all, I told Git that I wanted to rebase using the last four commits from where the HEAD is with HEAD~4. # However, if you remove everything, the rebase will be aborted. # If you remove a line here THAT COMMIT WILL BE LOST. # s, squash = use commit, but meld into previous commit # e, edit = use commit, but stop for amending Pick 30e0ccb Changed the tagline in the binary, too. Pick ebfd367 Jekyll has become self-aware. Pick 6340aaa Moving license into its own file The last 4 commits would be much happier if they were wrapped up together, so let’s do just that through interactive rebasing: $ git rebase -i HEAD~4 Our repository’s history currently looks like this: So let’s say you’ve just made a few small commits, and you want to make one larger commit out of them. Just don’t rewrite your history if it’s been shared with others. If others have based work off of the commits that you’re going to delete, plenty of conflicts can occur. We’re going to go over how you can do this easily.Ī word of caution: Only do this on commits that haven’t been pushed an external repository. What this does is take smaller commits and combine them into larger ones, which could be useful if you’re wrapping up the day’s work or if you just want to package your changes differently. The rebase command has some awesome options available in its -interactive (or -i) mode, and one of the most widely used is the ability to squash commits. If you have already pushed them somewhere, rewriting the history will actually make a branch! This is what you actually get for a rebase: The old ones are not longer reachable by any refs, so are not shown in the history but they are still there! When you rebase, you are actually creating new commits. They can be pruned, made not reachable, cloned but not changed. In order to transform the history as shown in the very first example, you have to run something like git rebase -i HEAD~4Ĭhange the "commands" to squash for all the commits apart from the first one, and then close your editor. In your case, you don't want to rebase into another branch, but rather into a previous commit. If you close the editor and no merge conflicts are found, you end up with this history: You can omit commits, or you can squash them.Īll you have to do is to change the first word to squash. The nice thing about this list is that it is editable. I didn't name the commits, but these four ones are intended to be the commits from Start to Head You would end up with a file that lists the commits that will be rebased pick ae3. If you run this command: git rebase -i branch Simplifying when you rebase a set of commits into a branch B, you apply all the changes introduced by those commits as they were done, starting from B instead of their original ancestor.Īn interactive rebase let you choose how commits should be rebased. In Git squashing is achieved with a Rebase, of a special form called Interactive Rebase. You may notice that the new commit has a slightly darker shade of blue. Visually, if you started your work at the commit tagged Start, you want this If you repeat this process multiple times, you can reduce n commit to a single one. Squashing a commit means, from an idiomatic point of view, to move the changes introduced in said commit into its parent so that you end up with one commit instead of two (or more). The principal reason for doing this is that a lot of such history is relevant only for the developer who generated it, so it must be simplified, or made more nice, before submitting it to a shared repository. One very nice feature of Git is the ability to rewrite the history of commits. You can think of Git as an advanced database of snapshots of your working directory(ies).
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