Open AlanGreene opened 4 years ago
GitHub SSH keys
#!/usr/bin/env bash
file="$HOME/.ssh/id_rsa_github.pub"
if [ ! -f "$file" ]; then
ssh-keygen -f $HOME/.ssh/id_rsa_github -t rsa -b 4096 -C "github.com@alangreene.net"
fi
pbcopy < "$file"
Not needed for GitHub but useful for other SSH keys:
ssh-copy-id -i ~/.ssh/tatu-key-ecdsa user@host
#!/bin/bash
cd "$(dirname "${BASH_SOURCE[0]}")" \
&& . "utils.sh"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
add_ssh_configs() {
printf "%s\n" \
"Host github.com" \
" IdentityFile $1" \
" LogLevel ERROR" >> ~/.ssh/config
print_result $? "Add SSH configs"
}
copy_public_ssh_key_to_clipboard () {
if cmd_exists "pbcopy"; then
pbcopy < "$1"
print_result $? "Copy public SSH key to clipboard"
elif cmd_exists "xclip"; then
xclip -selection clip < "$1"
print_result $? "Copy public SSH key to clipboard"
else
print_warning "Please copy the public SSH key ($1) to clipboard"
fi
}
generate_ssh_keys() {
ask "Please provide an email address: " && printf "\n"
ssh-keygen -t rsa -b 4096 -C "$(get_answer)" -f "$1"
print_result $? "Generate SSH keys"
}
open_github_ssh_page() {
declare -r GITHUB_SSH_URL="https://github.com/settings/ssh"
# The order of the following checks matters
# as on Ubuntu there is also a utility called `open`.
if cmd_exists "xdg-open"; then
xdg-open "$GITHUB_SSH_URL"
elif cmd_exists "open"; then
open "$GITHUB_SSH_URL"
else
print_warning "Please add the public SSH key to GitHub ($GITHUB_SSH_URL)"
fi
}
set_github_ssh_key() {
local sshKeyFileName="$HOME/.ssh/github"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# If there is already a file with that
# name, generate another, unique, file name.
if [ -f "$sshKeyFileName" ]; then
sshKeyFileName="$(mktemp -u "$HOME/.ssh/github_XXXXX")"
fi
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
generate_ssh_keys "$sshKeyFileName"
add_ssh_configs "$sshKeyFileName"
copy_public_ssh_key_to_clipboard "${sshKeyFileName}.pub"
open_github_ssh_page
test_ssh_connection \
&& rm "${sshKeyFileName}.pub"
}
test_ssh_connection() {
while true; do
ssh -T git@github.com &> /dev/null
[ $? -eq 1 ] && break
sleep 5
done
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
main() {
print_in_purple "\n • Set up GitHub SSH keys\n\n"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
if ! is_git_repository; then
print_error "Not a Git repository"
exit 1
fi
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ssh -T git@github.com &> /dev/null
if [ $? -ne 1 ]; then
set_github_ssh_key
fi
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
print_result $? "Set up GitHub SSH keys"
}
main
Allow different configs for work vs. personal
.gitconfig
https://git-scm.com/docs/git-config#_conditional_includes
[includeIf "gitdir:~/personal/"]
path = ~/personal/.gitconfig
git config pull.ff only
[diff]
# Show blocks of moved text of at least 20 alphanumeric characters differently than adds/deletes
# https://blog.github.com/2018-04-05-git-217-released/
colorMoved = zebra
from Wes Bos' dotfiles
# Changed your .gitignore _after_ you have added / committed some files?
# run `gri` to untrack anything in your updated .gitignore
# Put this in your .zshrc file
alias gri="git ls-files --ignored --exclude-standard | xargs -0 git rm -r"
# Open all merge conflicts or currently changed files in VS Code
# Switch out `code` for `subl`, `vim`, `atom` or your editor's CLI
alias fix="git diff --name-only | uniq | xargs code"
alias "git latest"="git for-each-ref --sort=-committerdate refs/heads/"
Include workflow templates for GitHub actions? For example, deployment to GitHub Pages:
git worktree vs. git stash
consider aliases in .gitconfig instead of .bash_aliases
different configs for different projects
etc.