Git MERGE vs REBASE
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- Опубліковано 8 чер 2024
- Understand the differences between MERGE and REBASE and learn how to efficiently use these commands in your projects!
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Git REBASE - official docs: git-scm.com/book/de/v2/Git-Br...
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This is a great video for explaining the difference between merge and rebase. The only thing that seemed "weird" to me was rebasing feature branch on master. I like to use rebase to keep a feature branch up to par with master, but then use merge to move feature changes into master (once development is finished on the feature).
When Manu switched to master and typed "git rebase feature" what he actually did was literally as he would do "git merge feature" because he just pulled the commits from feature branch into the master branch. This is why it seems weird at first glance. Actually the examples Manu showed in this video are not likely to be used in real world because no one merges directly into their master branch but it was a really nice example of how these two commands work :) I don't know if you are familiar with interactive rebasing. If you are not google how "git rebase -i " command work :)
I'm totally with you on this one. Rebasing should *never* happen on common branches like `master` or `develop`. It should only happen on feature branches.
Yea, rebasing a feature branch with master is just a bad example. It looks straightforward here without a conflict, but it can be huge pain when such rebasing results in conflicts. Not to mention the effort it would take to undo a problematic rebase. I personally use merge commits for the same exact reason, that way I can easily revert to a good commit when things go south
Quick example: 0:30
In the project: 2:00
Merge a 'summarized' new feature: 4:25
git merge --squash branch-name : 5:50
Adding the new 'merge' commit: 6:30
Second way with rebase: 8:00
git rebase master: 9:20
Explanation: 10:25
Playlist:
Git & GitHub - Managing Your Code:
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Great comment
I’ve been trying to wrap my head around this git stuff for a month now and things like this have just alluded me. But this demonstration was perfectly and concisely clear. Thank you for opening my eyes.
I’ve watched tons of git videos as I try to increase my understanding of keeping history clean when merging code. This is one of the best I’ve seen, hands down. The example was clear and you explained exactly what the different options would produce in terms of history/commits. Thank you, this is a huge help.
Thank you very much Mark!
x2. Ive been watching several videos on this and this one was the one that helped me get it. Thank you!
I think the golden rule is you should merge to master branch and rebase the feature branches
*rule ? :P
@@fexsort Corrected, thank you. :)
Abdelhak Marouane Almost... The golden rule is: Never rebase a public branch. So if your feature branch is shared... Don’t rebase that, either. (Can drop your teammate’s commits if they push while you are rebasing...) Use ‘- force-with-lease' for safety.
Also: Don’t rebase your feature branch if you’ve already merged master in. In that case, it can get very messy when you feature rebase + rebase PR merge... Rebase rewrites history, and now you might re-apply “new” commits that are actually an old state of master.
@@CourtneySchwartz I don't get this point. How does rebasing drop my teammate's commits ? Doesn't rebasing keep original commits ?
Oh I finally understand why it's called rebase, because you are effectively changing the m2 commit feature is based off of to the m3 commit. You have effectively rebased it! thanks!
I felt like I just wanted to reach into the screen, go back in time and give this guy a great big hug 😁
Such a good explanation 👏🏾
Excellent. Best source (written or video) that I've ever come across that simply shows you how to use rebase to your advantage when working on a feature branch.
Today I learned about git merge --squash! Thank you!
Happy to read that Rafael :)
This is a really good video because you slowed things down and thoroughly went through and explained stuff, repeating the key important points over and over. This is important information to understand basic of git. Thank you!
Good to know. So far I only used merge.
So when I'm on a long-living feature branch I sometimes merged the master branch from time to time in, to get the latest updates and to make merging into the master easier later. Now I will use rebase for this
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Could you please make another video when different developers touched the same file in different branches? For merging and rebase concepts. Thank you.
Worth mentioning that when doing 'git rebase master' while being in the feature branch, the original f1 commit was rewinded on top of the feature branch with a new commit id. Whereas when doing 'git rebase feature' while being in the feature branch, there was nothing really to be rewinded (there were no new commits on master) so master branch was just fast forwarded i.e. none of the commit ids changed.
In short,
When in feature branch with feature branch ahead, commits in master will have same ids, but feature commits will have new ids
When in master branch with feature branch ahead, commits in master will have same ids, and it will same feature commit ids to master branch
thanks for the really clear tutorial
Awesome explanation. As a beginner i was struggling through it and now understood the concept of rebase just in 16 minutes :)
Finally a explanation about rebase that actually make sense. Thanks a lot. Great work.
FINALLY someone explained it fully with examples and conflicts, rather than just reading out the commands
Coming back to this video on a yearly basis since 2018
I would be happier if this covered normal merge (with merge commit) versus rebase which usually brings more heated discussion.
The best `git rebase` explanation I've found so far!
Awesome explanation. As a beginner, i was struggling through it and now understood the concept of rebase just in 16 minutes
Simply the best explanation I saw for rebase and merge. Thank you so much!
Simple and clear explanation. Well done !
amazing explanation, and excellent visual !
thanks many times !
Now I understood the difference and fundamental logic behind it. Thanks for the video.
I’m a rebaser and proud of it :) lol, I always work with private feature branches, either taken from master or from a public feature branch. My workflow is to then rebase from the source branch prior to merging (or creating a PR). This way I can validate that my code changes, through unit and integrations tests, work with the latest code. Not saying it’s the right way that’s just how I work, wanted to share! Happy merging!
I'm not anti-rebasing or anything, but you can still validate your feature against the most recent code by doing a simple `git merge`.
Thanks! I readed other sources but didnt get it clear until now! thanks again!
Extremely helpful, I'll make sure to check out the rest of your videos
Many thanks for the tutorial. This helps me a lot in understanding merge vs rebase.
My life is changed forever, thank you so much 😊
I'm at 2nd minute but already see that you explain everything very clearly!! Great & thanks for the video!!
Thanks for taking the time. Great explanation!
I just left the video in the middle of it to say thanks so much for such a Crystal clear explaination
Glad it was helpful!
I like rebasing a lot, it really keeps the history clean. However I have a problem that I run into a lot, especially when using visual studio. If I git rebase master into my feature branch, sometimes there are conflicts. I prefer using a gui program like Visual Studio, but the terminology is always odd. "Incoming" and "current" are a little confusing when the master branch has a number of commits that you are introducing, and it seems like it interferes with every single commit. This isn't common but it does happen and it's a bit of a headache. Anyone recommend resources for better understanding rebase conflicts?
Great video. Super clear explanation. Loved the idea of having the code and the commit being the same text, it makes everything so much clear.
Best explanation on reset and revert
Thank you for this explanation ..
but I have one question
as I realized that it always add the new commits from the current branch as the last commits .. can we control this order or not?
another question .. If I want to revert the commit after I did "rebase" then what is going to happen? let's suppose that master is m1 m2 m3 feature is m2 f1 and we are currently in the master and did git rebase feature ... now the master is m1 m2 f1 m3 right? if we choose this commit and select reverse .. the master will back m1 m2 m3 ? right ?
this is one of the most clear explanations on the subject, thanks
I finally "got" it .. the very "fine detail" of how rebase works start at around 10:45 of this video. Using my own way of thinking: Whichever branch you are about to issue a rebase command against another branch, the steps are:
1) Git "rewinds" both branch "timelines" until it finds the common "denominator" ( ie: common commit both branches share).
2) Git then finds all the changes that happened in the current branch past the common "denominator" and puts them "aside" - let's call this "my current branch changes" ..
3) Git will then find the changes of the other branch that happened past the common "denominator" and puts them "aside" - let's call this "the other branch changes" ..
4) Git will now re-create a new branch timeline after the common "denominator" on the current active branch we issued the rebase command using the following "formula":
"other branch changes" + "my current branch changes" and will add that timeline of events after the common "denominator" ..
So the new branch timeline on the branch we issued the rebase command will be:
.... "common denominator commit" + "commit changes of the other branch after the common denominator" + "commit changes of my current branch after the common denominator"
While now all is "crystal clear" to grasp this concept, nevertheless it took my about two days of thinking and reasoning and replaying this video several times until I got it .. Thank you for providing this video.
I can't thank you enough for this. Cheers for great video!
Thank you sir this was very useful and I always wondered what the difference was between rebase and merge. Excellent explanation!!
Great tutorial. Never seen the squash command being used directly on master like that. I am used to doing an interactive rebase on the branch and squashing on the branch before merging with master
Doing this flow with pull request would be nice to see. That is how we currently work at my job
Perfect demonstration, i have never understood this until now
Awesome!
Super simple explanation for understanding 'squash' and 'rebase'.
Also useful in avoiding merge commits (maintaining a clear/clean history) - just use 'git pull --rebase' before pushing all local commits to repository (since git pull is effectively just a git fetch followed by git merge).
Excelent explanation. One of the few tutorials that actually made me get a little bit closer to understanding the difference between the two.
Glad it helped!
You just rebased my Git understanding. Thank you!
I am enlightened for life about merging the branches.
Excellent explanation using real time example. Thanks a lot for your effort to depict the exact git merge and rebase scenario. Loved it.
Thank YOU for your awesome feedback Thrihesh, happy to read that you liked the video!
wow truly helpful in understanding the rebase command I would have used in last project but somehow not confident on how things would be, now all my doubts are cleared now. Thanks for the video.
Straight Forward & deep dive explanation. Thanks for your effort.
Awesome, Very well organised and explained, Thank you so much!
Great video! been trying to understand rebase and this was one of the most helpful explainations
Very nice. Teaching git is not only code but concepts as well . Thanks a lot !
Just found this video randomly. Very well explained. Thanks.
I subscribed you channel now😀.
The pseudo-algorithm (at 10:25) for git rebase was a very good step-by-step guide showing what is going on under the hood while execution the rebase operation.
i guess Max and You were brothers. Best Explanation :). thank u so much !!!
We are indeed close friends, happy to read that you like the video :)
Great Video !! Explanation was very clear and easy to understand.
Thanks for such a good tutorial and i like the demonstration by picking up a scenario.
Happy to read that you liked it Raja, thank you!
This is a very challenging subject to explain with words, and you did a great job.
Thank you Aaron :)
Thanks a lot. Very nicely explained.
Great explanation of the rebase, thank you.
Great demonstration! You are really good at explaining the concepts, similar to how Max does it. The individuals here asking for more pictures in my opinion need to work more with Git to better understand the basics. The explanations were really clear, and I only have around a year and a half experience. This is not easy stuff by any means, so if you're confused, just take a step back and practice adding, committing, branching, and merging some more.
I agree with you that doing your own examples will probably help you understand it better but I don't think that means the explanation was clear. If anything, I think the only thing the video did well was the naming convention for branches and commit messages for experimentation. That however means you understood it because you did it yourself not because the concept was clearly explained.
Thank you for this great video. very useful.
Thank you. Perfect tutorial!
Great video Manu. Thank you
Thank YOU for your awesome feedback Roland, this really means a lot to me!
Awesome explanation. THANK YOU.
Thanks for the easy explanation and demo.
Thank you for explaining clearly
thank you, you presented this very well.
Thanks for clarifying this concept 👍
easiest tutorial ever. Thank u so much sir. :-)
Clear video with exact points
Very helpful
Thanks, Manu! Love your channel (I mean you and Max tho)! You are doing a great content! Hope we'll see a lot of new stuff from you, guys, in the future!
Thanks a lot for your great feedback Nick, this means a lot to both of us!
Very clear video! Thank you!
Detailed and clear. Thanks!
Simple and clear. Thank you :)
Happy to read that you liked it Deepesh, thank you :)
Best Explanation i've found. thanks a lot Sir! Brilliant!
Wow, reading this honestly means a lot to me, thank you very much!
I'm new to all things devops and coding, so I absolutely appreciate the clarity and conciseness of your explanation after going through so many other videos on youtube. This video led me to even get in touch with Max earlier today to ask about the Udemy courses. Keep up the good work Sir!
Very well explained. Thanks!
Best Video I have seen on Git Merge Vs Rebase!!!
You're an awesome teacher !!
Thank you for the great explanation.
oh! my! god! why didn't I get that before? I completely ignored rebase, never saw the interest in it... but the way you explained it, amazing! Also instant like on --squashed! thanks for this video, really!
very beautifully explained. thank you
Wow! thanks for this clear video!
Great video and the way you have explained this topic is best! i want more videos on Git thanks
Really good example and explanation! Thank you, Manu! Greetings to Max as well ;)
Thanks a lot for your great feedback! Max is sitting next to me, so he also read your nice greetings :)
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Linux Terminal: Ctrl + L clears the console.
Very good video, keep up the good work. Just subscribed - thanks
Amazing explanation very clearly understood
super instructional! thank you! :)
Thanks Manuel, well explained!
Hi, great video. I have one question please. What would be the difference between "git merge ..." and "git merge --squash ..."? I understand that the latter would squash all the commits of the feature branch in one commit but what about the first one?
Excellent video. Thank you.
Honestly, really helpful!
I loved the naming conventions for branches and commit messages; unambiguous and to the point.
completely agree!
thanks for the detailed explanation.
Excellent explanation!
Would be a good option to rebase the feature branch, and then checking out master and this time instead of rebasing master, merge feature in master?
I was wondering the same thing.
Pedro, you can read this nice article which explains underwater rocks of this approach goo.gl/XPmzBk
Whats the difference?
I clean up my feature branches using interactive rebase and merge the feature branch back into development using git's default fast forward merging. This creates a very linear history which is how I like it.
wonderful video...perfect explaining...gratz and thanks
Thank you very much Ginger!
helpful and hats off for the awesome explanation.
Very nicely explained. Thanks for the good knowledge sharing