ohmyzsh/tools/upgrade.sh

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# Use colors, but only if connected to a terminal, and that terminal
# supports them.
if which tput >/dev/null 2>&1; then
ncolors=$(tput colors)
fi
if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
RED="$(tput setaf 1)"
GREEN="$(tput setaf 2)"
YELLOW="$(tput setaf 3)"
BLUE="$(tput setaf 4)"
BOLD="$(tput bold)"
NORMAL="$(tput sgr0)"
else
RED=""
GREEN=""
YELLOW=""
BLUE=""
BOLD=""
NORMAL=""
fi
success_upgrading() {
printf '%s' "$GREEN"
printf '%s\n' ' __ __ '
printf '%s\n' ' ____ / /_ ____ ___ __ __ ____ _____/ /_ '
printf '%s\n' ' / __ \/ __ \ / __ `__ \/ / / / /_ / / ___/ __ \ '
printf '%s\n' '/ /_/ / / / / / / / / / / /_/ / / /_(__ ) / / / '
printf '%s\n' '\____/_/ /_/ /_/ /_/ /_/\__, / /___/____/_/ /_/ '
printf '%s\n' ' /____/ '
printf "${BLUE}%s\n" "Hooray! Oh My Zsh has been updated and/or is at the current version."
printf "${BLUE}${BOLD}%s${NORMAL}\n" "To keep up on the latest news and updates, follow us on twitter: https://twitter.com/ohmyzsh"
printf "${BLUE}${BOLD}%s${NORMAL}\n" "Get your Oh My Zsh swag at: http://shop.planetargon.com/"
}
error_upgrading() {
printf "${RED}%s${NORMAL}\n" 'There was an error updating. Try again later?'
exit 1
}
run_upgrade() {
if git pull --rebase --stat origin master
then
success_upgrading
else
error_upgrading
fi
}
printf "${BLUE}%s${NORMAL}\n" "Updating Oh My Zsh"
cd "$ZSH"
if output=$(git status --porcelain); then
while true; do
printf "${RED}%s${NORMAL}\n" "You have changes that are preventing Oh My Zsh from upgrading."
printf "${RED}%s${NORMAL}" "Do you want to stash these changes and continue? "
read -p "" answer
case $answer in
[Yy]* )
git stash;
run_upgrade;
printf "${RED}%s${NORMAL}\n" "Run 'cd ~/.oh-my-zsh && git stash pop' if you need the stashed changes back.";
exit;;
[Nn]* ) exit;;
* ) echo "Please answer yes or no.";;
esac
done
else
run_update
fi