Demystifying Git
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Git is a version control system that records changes to files over time, allowing users to recall specific versions. It is a distributed system where each local repository has a full copy of the project files and history, allowing offline work. Users can clone repositories locally or remotely. Files are added and committed with messages to save snapshots, and commits can be visualized. Changes are pushed to remote repositories to share work, and branches allow independent lines of development that can be merged together. Tags mark important commits, and errors can be fixed by resetting files or the repository state.
Demystifying Git
- 2. What is version control?? System that records change to file or set a files over time so that you can recall specific versions later.
- 3. GIT • Distributed Version Control • Thinks about its data • Thinks of its data more like snapshots of a miniature of filesystem • Only need local files and resources to operate.
- 4. How to clone a repository? • To create a copy of a local repository: git clone /local/repository • To create a copy of a remote repository: git clone user@server:/server/repository
- 5. How to add and confirm files • To add changes in files: git add <file> ( for only file) git add * ( all changed files – untracked) • To confirm all changes , it is necessary to create a commit: git commit -m “comments about the commit” git commit -a -m “comments about the commit” (git add + git commit –m)
- 6. How to visualize your commit • To show all commits in your branch: git log
- 7. How to send changes to a remote repository • When you have your project at a point that you want to share, you have to push it upstream. git push origin master PS: This command works only if you cloned from a server to which you have write access
- 8. Working with branches • To visualize local branches: git branch • To visualize local/remote branches: git branch –all
- 9. Working with branches • To create a branch: git checkout –b “new_branch” • To switch between branches: git checkout <branch_name> • To remove a branch: git checkout –d new_branch
- 10. Working with branches • To update the local repository git pull git pull –rebase (update and put your commits in the HEAD) • To merge all changes between branches: (I didn’t understand this…) don’t known what write git checkout master git merge <branch>
- 11. Creating Tags • To create a tag: git tag <tagversion> <hash> • To view all tags: git tag
- 12. Fixing errors • To correct all changes in local files: git checkout -- <file> • To remove all changes and return to a stable commit: git reset – hard git reset –hard <hash> hash with stable commit Or git fetch origin git reset –hard origin/master
- 13. Contacts Email: [email protected] Linkedin: https://br.linkedin.com/pub/pablo-quiroga/2a/36b/b57 Email: [email protected] Linkedin: https://br.linkedin.com/pub/erickson-alves/7b/a07/257