Git Merge vs Git Rebase
2 min readJan 12, 2021
TLDR
Both git rebase and git merge are used to synchronise changes between branches. The difference is git rebase will revise the commits but keep a clean organised history, while git merge will keep all the original commits and add ones automatically but gives out a circuit board like history.
Real world scenarios
Image you have two branches: feature and master. feature is from master, after some time, for some reason, master has some changes which feature doesn't have
Git merge
What git merge do:
- Wouldn’t change the commit timestamp
- Wouldn’t change the commit hash
- Will create a new commit automatically
- When there are many people are using the git merge in a project, it will cause commits across each other in history, in the end it will show the commits like a Circuit board.
How to do git merge:
- Step 1:
git checkout feature - Step 2:
git merge master, might need to resolve some conflicts while doing this step
Git Rebase
What git rebase do:
- Change the commit timestamp
- Change the commit hash
- Not introduce any new commit automatically
- Generate nice and organised git history, like the one in the following:
git rebase will move the current changes to upmost, and keep the current change history.
How to do git rebase:
- Step 1:
git checkout feature - Step 2:
git rebase master, might need to resolve some conflicts while doing this step. Here we might rebase the code multiple times. So it is a good idea to squash all the commits into one.
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Reference
Originally published at https://needone.app on January 12, 2021.
