GIT cheatsheet

• Change username and email attached to your commits

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git config --global user.name "your name"
git config --global user.email "your email"

• Create new repository from existing project and push it to github

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git init
git add .
git commit -m 'initial commit'
git remote add origin https://github.com/username/my_awesome_project
git push -u origin master

• Remove branch with name “branch1”

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git branch -d branch1

• Change latest un-pushed commit message

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git commit --amend -m "New commit message"

• If you already pushed multiple commits to the remote repository you can use rebase to edit commit messages

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git rebase -i HEAD~n

• Show git commits for the specific file:

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git log -- path/to/the/file.txt

• Show git commits and changes for the specific file:

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git log --follow -p -- path/to/the/file.txt

• git fetch vs git pull:

git pull does a git fetch followed by a git merge

• Show difference between branches

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git diff branch1..branch2

• Set username and committer in shell session:

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export GIT_AUTHOR_NAME="John Doe";
export GIT_AUTHOR_EMAIL=john.doe@example.com;
export GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME";
export GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL";

Links with more details

1. GIT workflow example: https://www.atlassian.com/git/tutorials/comparing-workflows/gitflow-workflow
2. https://stackoverflow.com/questions/292357/what-is-the-difference-between-git-pull-and-git-fetch
3. GIT docs: https://git-scm.com/docs
4. GIT everyday: https://git-scm.com/docs/giteveryday