Git-Setup.md

Git ignore .DS_Store globally:

touch ~/.gitignore_global
echo ".DS_Store" >> ~/.gitignore_global
echo "._.DS_Store" >> ~/.gitignore_global
echo "**/.DS_Store" >> ~/.gitignore_global
echo "**/._.DS_Store" >> ~/.gitignore_global
git config --global core.excludesfile ~/.gitignore_global

---

Single user / account

SSH key:

Generate

ssh-keygen -t ed25519 -C "your_email@example.com"

> Enter passphrase (empty for no passphrase): [PRESS ENTER]
> Enter same passphrase again: [PRESS ENTER]

Copy

pbcopy < ~/.ssh/id_rsa.pub

Paste

https://github.com/settings/keys

Configure default user in Git CLI:

git config --global user.email "your_email@example.com"
git config --global user.name "your_username"

---

Multiple users / accounts

SSH keys:

Generate

ssh-keygen -t ed25519 -C "your_email@example.com"

Enter a file in which to save the key (/Users/YOU/.ssh/id_ed25519_<github username>:
Type: id_ed25519_<github username>, [PRESS ENTER].

Add ssh to keychain

ssh-add --apple-use-keychain ~/.ssh/id_ed25519_<github username>

Create config file

(umask 077; touch ~/.ssh/config)

Edit & save this in config file

Host <main github username>
  User git
  IdentityFile ~/.ssh/id_ed25519_<main github username>

Host <alternative github username>
  HostName github.com
  User git
  IdentityFile ~/.ssh/id_ed25519_<alternative github username>

Repo:

Change directory to repo & Change remote URL origin for it

git remote set-url origin git@<github username>:<orgnaization>/<repo>.git

Change email & username locally for a specific repo

git config user.email "<github email>"
git config user.name "<github username>"