81 lines
1.6 KiB
Markdown
81 lines
1.6 KiB
Markdown
---
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stage: Create
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group: Source Code
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
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comments: false
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---
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# Rollback commits **(FREE)**
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## Undo Commits
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- Undo last commit putting everything back into the staging area:
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```shell
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git reset --soft HEAD^
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```
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- Add files and change message with:
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```shell
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git commit --amend -m "New Message"
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```
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- Undo last and remove changes:
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```shell
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git reset --hard HEAD^
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```
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- Same as last one but for two commits back:
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```shell
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git reset --hard HEAD^^
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```
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**Don't reset after pushing**
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## Reset Workflow
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1. Edit file again 'edit_this_file.rb'
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1. Check status
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1. Add and commit with wrong message
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1. Check log
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1. Amend commit
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1. Check log
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1. Soft reset
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1. Check log
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1. Pull for updates
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1. Push changes
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## Commands
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```shell
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# Change file edit_this_file.rb
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git status
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git commit -am "kjkfjkg"
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git log
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git commit --amend -m "New comment added"
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git log
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git reset --soft HEAD^
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git log
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git pull origin master
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git push origin master
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```
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## Note
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- `git revert` vs `git reset`
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- Reset removes the commit while revert removes the changes but leaves the commit
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- Revert is safer considering we can revert a revert
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```shell
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# Changed file
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git commit -am "bug introduced"
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git revert HEAD
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# New commit created reverting changes
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# Now we want to re apply the reverted commit
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git log # take hash from the revert commit
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git revert <rev commit hash>
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# reverted commit is back (new commit created again)
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```
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