Setup & Start
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Setup
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git --version -> First , test in the Shell with , if
Git
are installed.
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git-scm.com/downloads -> Git Download
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git config --global user.name "your_username"
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git config --global user.email "your@email.com"
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git config --global --list ->Check the Settings
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CREATE a Repository
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Create a Repository in
GitHub, you can
choose Privat/Public and first NO Readme. Copy
the HTTPS Adress
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git init
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git add README.md
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git commit -m "first commit"
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git branch -M main
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git remote add origin 'COPIED_HTTPS_ADRESS_HERE'
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git push -u origin main
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CLONE an existing Repository
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Create a local folder
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GitHub -> Repository -> copy the HTTPS/SSH Adress
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git glone 'COPIED_HTTPS/SSH_ADRESS_HERE'
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ls-> to see the content
cd 'foldername' -> to navigate into it
git pull -> to update the newest remote (GitHub) version of main.
Delete Repository
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comand + shif + . DELETE A REPOSITORY
Change & Commit
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SAVE a change
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git add 'filename' -> add one file
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git add . -> add all files
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git commit -m 'commit' ->marks the change with a
meaningfull small message
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git push -> the changes are uploaded to the branch
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Commits
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git log --all -> shows you all commits
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git log --oneline -> all commits in one line
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git log --graph -> shows you all commits graphically
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q -> you can get out of the view again.
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Commit back and apply changes
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git log --oneline -> to display the list of commit IDs
and select and copy the id
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git checkout -b "new-branch-name" "copied-commit-id" -> to create a new branch from a specific commit and switch to this branch.
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git add .
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git commit -m "commit back"
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git push origin "new-branch-name"
Branches
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SHOW Branches
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git branch -> shows all existing branches. (\* ->
shows where you are at the moment)
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git branch --all -> all existing branches.
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CREATE Branch
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git branch 'featurename' ->creates a new branch
branch.
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git switch -c 'featurename' ->creates a new
branch branch and switch to the branch
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git checkout -b 'featurename' ->creates a new
branch branch and switch to the branch
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CHANGE Branch
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git checkout 'featurename' -> switch to this
branch
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git switch 'featurename' ->switch to this
branch
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DELETE Branch
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git branch -d 'featurename' ->Deletes the
branch 'featurename'
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git branch -D 'featurename'' ->
WITHOUT WARNING, the branch is deleted
regardless of its status
Mergin
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When all renewals (branch merged) have been updated in main, they can be brought into our local BRANCH and updated as well.
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git checkout 'yourlocalbranchname' ->If you are not in your branch
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git merge main -> main is merged with the branch. IMPORTANT: after that allways
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git push
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git pull origin main->main is merged with the branch, you don´t need a 'git push' after that.
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git checkout main ->come back to main
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git pull->to update the newest remote (GitHub) version of main.
Review
git status ->list new or modified files not yet committedgit log --online -> list commit hiytory with IDgit diff->show changes to unstages files