mirror of https://github.com/zulip/zulip.git
third: Add yarn installer to Zulip repo.
This commit is contained in:
Tim Abbott
parent
bba90c5096
commit
1e2cc2e8ad
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#!/bin/sh
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set -e
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reset="\033[0m"
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red="\033[31m"
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green="\033[32m"
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yellow="\033[33m"
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cyan="\033[36m"
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white="\033[37m"
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gpg_key=9D41F3C3
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yarn_get_tarball() {
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printf "$cyan> Downloading tarball...$reset\n"
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if [ "$1" = '--nightly' ]; then
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url=https://nightly.yarnpkg.com/latest.tar.gz
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elif [ "$1" = '--rc' ]; then
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url=https://yarnpkg.com/latest-rc.tar.gz
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elif [ "$1" = '--version' ]; then
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# Validate that the version matches MAJOR.MINOR.PATCH to avoid garbage-in/garbage-out behavior
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version=$2
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if echo $version | grep -qE "^[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+$"; then
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url="https://yarnpkg.com/downloads/$version/yarn-v$version.tar.gz"
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else
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printf "$red> Version number must match MAJOR.MINOR.PATCH.$reset\n"
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exit 1;
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fi
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else
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url=https://yarnpkg.com/latest.tar.gz
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fi
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# Get both the tarball and its GPG signature
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tarball_tmp=`mktemp -t yarn.tar.gz.XXXXXXXXXX`
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if curl --fail -L -o "$tarball_tmp#1" "$url{,.asc}"; then
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yarn_verify_integrity $tarball_tmp
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printf "$cyan> Extracting to ~/.yarn...$reset\n"
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mkdir .yarn
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tar zxf $tarball_tmp -C .yarn --strip 1 # extract tarball
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rm $tarball_tmp*
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else
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printf "$red> Failed to download $url.$reset\n"
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exit 1;
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fi
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}
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# Verifies the GPG signature of the tarball
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yarn_verify_integrity() {
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# Check if GPG is installed
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if [[ -z "$(command -v gpg)" ]]; then
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printf "$yellow> WARNING: GPG is not installed, integrity can not be verified!$reset\n"
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return
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fi
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if [ "$YARN_GPG" == "no" ]; then
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printf "$cyan> WARNING: Skipping GPG integrity check!$reset\n"
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return
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fi
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printf "$cyan> Verifying integrity...$reset\n"
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# Grab the public key if it doesn't already exist
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gpg --list-keys $gpg_key >/dev/null 2>&1 || (curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --import)
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if [ ! -f "$1.asc" ]; then
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printf "$red> Could not download GPG signature for this Yarn release. This means the release can not be verified!$reset\n"
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yarn_verify_or_quit "> Do you really want to continue?"
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return
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fi
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# Actually perform the verification
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if gpg --verify "$1.asc" $1; then
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printf "$green> GPG signature looks good$reset\n"
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else
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printf "$red> GPG signature for this Yarn release is invalid! This is BAD and may mean the release has been tampered with. It is strongly recommended that you report this to the Yarn developers.$reset\n"
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yarn_verify_or_quit "> Do you really want to continue?"
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fi
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}
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yarn_link() {
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printf "$cyan> Adding to \$PATH...$reset\n"
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YARN_PROFILE="$(yarn_detect_profile)"
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SOURCE_STR="\nexport PATH=\"\$HOME/.yarn/bin:\$PATH\"\n"
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if [ -z "${YARN_PROFILE-}" ] ; then
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printf "$red> Profile not found. Tried ${YARN_PROFILE} (as defined in \$PROFILE), ~/.bashrc, ~/.bash_profile, ~/.zshrc, and ~/.profile.\n"
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echo "> Create one of them and run this script again"
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echo "> Create it (touch ${YARN_PROFILE}) and run this script again"
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echo " OR"
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printf "> Append the following lines to the correct file yourself:$reset\n"
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command printf "${SOURCE_STR}"
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else
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if ! grep -q 'yarn' "$YARN_PROFILE"; then
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if [[ $YARN_PROFILE == *"fish"* ]]; then
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command fish -c 'set -U fish_user_paths $fish_user_paths ~/.yarn/bin'
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else
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command printf "$SOURCE_STR" >> "$YARN_PROFILE"
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fi
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fi
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printf "$cyan> We've added the following to your $YARN_PROFILE\n"
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echo "> If this isn't the profile of your current shell then please add the following to your correct profile:"
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printf " $SOURCE_STR$reset\n"
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version=`$HOME/.yarn/bin/yarn --version` || (
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printf "$red> Yarn was installed, but doesn't seem to be working :(.$reset\n"
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exit 1;
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)
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printf "$green> Successfully installed Yarn $version! Please open another terminal where the \`yarn\` command will now be available.$reset\n"
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fi
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}
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yarn_detect_profile() {
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if [ -n "${PROFILE}" ] && [ -f "${PROFILE}" ]; then
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echo "${PROFILE}"
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return
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fi
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local DETECTED_PROFILE
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DETECTED_PROFILE=''
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local SHELLTYPE
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SHELLTYPE="$(basename "/$SHELL")"
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if [ "$SHELLTYPE" = "bash" ]; then
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if [ -f "$HOME/.bashrc" ]; then
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DETECTED_PROFILE="$HOME/.bashrc"
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elif [ -f "$HOME/.bash_profile" ]; then
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DETECTED_PROFILE="$HOME/.bash_profile"
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fi
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elif [ "$SHELLTYPE" = "zsh" ]; then
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DETECTED_PROFILE="$HOME/.zshrc"
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elif [ "$SHELLTYPE" = "fish" ]; then
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DETECTED_PROFILE="$HOME/.config/fish/config.fish"
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fi
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if [ -z "$DETECTED_PROFILE" ]; then
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if [ -f "$HOME/.profile" ]; then
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DETECTED_PROFILE="$HOME/.profile"
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elif [ -f "$HOME/.bashrc" ]; then
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DETECTED_PROFILE="$HOME/.bashrc"
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elif [ -f "$HOME/.bash_profile" ]; then
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DETECTED_PROFILE="$HOME/.bash_profile"
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elif [ -f "$HOME/.zshrc" ]; then
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DETECTED_PROFILE="$HOME/.zshrc"
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elif [ -f "$HOME/.config/fish/config.fish" ]; then
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DETECTED_PROFILE="$HOME/.config/fish/config.fish"
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fi
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fi
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if [ ! -z "$DETECTED_PROFILE" ]; then
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echo "$DETECTED_PROFILE"
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fi
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}
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yarn_reset() {
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unset -f yarn_install yarn_reset yarn_get_tarball yarn_link yarn_detect_profile yarn_verify_integrity yarn_verify_or_quit
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}
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yarn_install() {
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printf "${white}Installing Yarn!$reset\n"
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if [ -d "$HOME/.yarn" ]; then
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if [ -e "$HOME/.yarn/bin/yarn" ] ; then
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local latest_url
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local specified_version
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local version_type
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if [ "$1" = '--nightly' ]; then
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latest_url=https://nightly.yarnpkg.com/latest-tar-version
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specified_version=`curl -sS $latest_url`
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version_type='latest'
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elif [ "$1" = '--version' ]; then
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specified_version=$2
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version_type='specified'
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elif [ "$1" = '--rc' ]; then
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latest_url=https://yarnpkg.com/latest-rc-version
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specified_version=`curl -sS $latest_url`
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version_type='rc'
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else
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latest_url=https://yarnpkg.com/latest-version
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specified_version=`curl -sS $latest_url`
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version_type='latest'
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fi
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yarn_version=`$HOME/.yarn/bin/yarn -V`
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yarn_alt_version=`$HOME/.yarn/bin/yarn --version`
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if [ "$specified_version" = "$yarn_version" -o "$specified_version" = "$yarn_alt_version" ]; then
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printf "Yarn is already at the $specified_version version.\n"
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exit 0
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else
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rm -rf "$HOME/.yarn"
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fi
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else
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printf "$red> $HOME/.yarn already exists, possibly from a past Yarn install.$reset\n"
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printf "$red> Remove it (rm -rf $HOME/.yarn) and run this script again.$reset\n"
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exit 0
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fi
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fi
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yarn_get_tarball $1 $2
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yarn_link
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yarn_reset
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}
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yarn_verify_or_quit() {
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read -p "$1 [y/N] " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]
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then
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printf "$red> Aborting$reset\n"
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exit 1
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fi
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}
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cd ~
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yarn_install $1 $2
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