12/7/2023 0 Comments Git reset to commit hash![]() This allows you to squash or fixup commits that are not adjacent chronologically. You may also change the order of the commits. You cannot use squash or fixup as there is no other commit to squash the commit into. I prefer to use the command fixup as this "squashes" the commit's changes into the commit on the line above and discards the commit's message.Īs the commit on line 1 is HEAD, in most cases you would leave this as pick. On any given line you can change the command from pick to a command of your choice. The documentation displayed is pretty clear. The lines starting with a # are comments/documentation. The most recent commit, HEAD, is displayed first on line 1. This constraint was determined by HEAD~3 when running the command git rebase -i HEAD~3. The interactive rebase editor shows the last three commits. The command will open the interactive rebase editor which then allows you to reorder, squash, reword, etc as per normal. This is handy as it works even when you are on a local branch with no tracking information/remote repo. Thanks to this handy blog post I found that you can use this command to squash the last 3 commits: git rebase -i HEAD~3 ![]() Update: the only real advantage of this method over the simpler git reset -soft HEAD~12 & git commit suggested by Chris Johnsen in his answer is that you get the commit message prepopulated with every commit message that you're squashing. The documentation for git merge describes the -squash option in more detail. # prepopulated with the commit messages of all the squashed commits: Git merge -squash Commit those squashed changes. ![]() # This command sets the state of the index to be as it would just # is where the branch was just before the previous command. Then: # Reset the current branch to the commit just before the last 12: WARNING: First make sure you commit your work-check that git status is clean (since git reset -hard will throw away staged and unstaged changes) Suppose you're on master and you want to squash the last 12 commits into one. ![]() You can use git merge -squash for this, which is slightly more elegant than git rebase -i. it already has all the changes from the commits that you are about to “throw away”). Neither the index nor the working tree are touched by the soft reset, leaving the index in the desired state for your new commit (i.e. The soft reset just re-points HEAD to the last commit that you do not want to squash. Git commit -edit -m"$(git log -format=%B -reverse of those methods squash the last three commits into a single new commit in the same way. similar to what a pick/squash/squash/…/squash git rebase -i instruction list would start you with), then you need to extract those messages and pass them to git commit: git reset -soft HEAD~3 & If you want to start editing the new commit message with a concatenation of the existing commit messages (i.e. If you want to write the new commit message from scratch, this suffices: git reset -soft HEAD~3 & In this example, we'll squash the last 3 commits. You can do this fairly easily without git rebase or git merge -squash. ![]()
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