Permalink
Fetching contributors…
Cannot retrieve contributors at this time
executable file 219 lines (193 sloc) 6.88 KB
#!/bin/sh
set -e
reset="\033[0m"
red="\033[31m"
green="\033[32m"
yellow="\033[33m"
cyan="\033[36m"
white="\033[37m"
gpg_key=E074D16EB6FF4DE3
yarn_get_tarball() {
printf "$cyan> Downloading tarball...$reset\n"
if [ "$1" = '--nightly' ]; then
url=https://nightly.yarnpkg.com/latest.tar.gz
elif [ "$1" = '--rc' ]; then
url=https://yarnpkg.com/latest-rc.tar.gz
elif [ "$1" = '--version' ]; then
# Validate that the version matches MAJOR.MINOR.PATCH to avoid garbage-in/garbage-out behavior
version=$2
if echo $version | grep -qE "^[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+$"; then
url="https://yarnpkg.com/downloads/$version/yarn-v$version.tar.gz"
else
printf "$red> Version number must match MAJOR.MINOR.PATCH.$reset\n"
exit 1;
fi
else
url=https://yarnpkg.com/latest.tar.gz
fi
# Get both the tarball and its GPG signature
tarball_tmp=`mktemp -t yarn.tar.gz.XXXXXXXXXX`
if curl --fail -L -o "$tarball_tmp#1" "$url{,.asc}"; then
yarn_verify_integrity $tarball_tmp
printf "$cyan> Extracting to ~/.yarn...$reset\n"
# All this dance is because `tar --strip=1` does not work everywhere
temp=$(mktemp -d yarn.XXXXXXXXXX)
tar zxf $tarball_tmp -C "$temp"
mkdir .yarn
mv "$temp"/*/* .yarn
rm -rf "$temp"
rm $tarball_tmp*
else
printf "$red> Failed to download $url.$reset\n"
exit 1;
fi
}
# Verifies the GPG signature of the tarball
yarn_verify_integrity() {
# Check if GPG is installed
if [[ -z "$(command -v gpg)" ]]; then
printf "$yellow> WARNING: GPG is not installed, integrity can not be verified!$reset\n"
return
fi
if [ "$YARN_GPG" == "no" ]; then
printf "$cyan> WARNING: Skipping GPG integrity check!$reset\n"
return
fi
printf "$cyan> Verifying integrity...$reset\n"
# Grab the public key if it doesn't already exist
gpg --list-keys $gpg_key >/dev/null 2>&1 || (curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --import)
if [ ! -f "$1.asc" ]; then
printf "$red> Could not download GPG signature for this Yarn release. This means the release can not be verified!$reset\n"
yarn_verify_or_quit "> Do you really want to continue?"
return
fi
# Actually perform the verification
if gpg --verify "$1.asc" $1; then
printf "$green> GPG signature looks good$reset\n"
else
printf "$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.$reset\n"
yarn_verify_or_quit "> Do you really want to continue?"
fi
}
yarn_link() {
printf "$cyan> Adding to \$PATH...$reset\n"
YARN_PROFILE="$(yarn_detect_profile)"
SOURCE_STR="\nexport PATH=\"\$HOME/.yarn/bin:\$HOME/.config/yarn/global/node_modules/.bin:\$PATH\"\n"
if [ -z "${YARN_PROFILE-}" ] ; then
printf "$red> Profile not found. Tried ${YARN_PROFILE} (as defined in \$PROFILE), ~/.bashrc, ~/.bash_profile, ~/.zshrc, and ~/.profile.\n"
echo "> Create one of them and run this script again"
echo "> Create it (touch ${YARN_PROFILE}) and run this script again"
echo " OR"
printf "> Append the following lines to the correct file yourself:$reset\n"
command printf "${SOURCE_STR}"
else
if ! grep -q 'yarn' "$YARN_PROFILE"; then
if [[ $YARN_PROFILE == *"fish"* ]]; then
command fish -c 'set -U fish_user_paths $fish_user_paths ~/.yarn/bin'
else
command printf "$SOURCE_STR" >> "$YARN_PROFILE"
fi
fi
printf "$cyan> We've added the following to your $YARN_PROFILE\n"
echo "> If this isn't the profile of your current shell then please add the following to your correct profile:"
printf " $SOURCE_STR$reset\n"
version=`$HOME/.yarn/bin/yarn --version` || (
printf "$red> Yarn was installed, but doesn't seem to be working :(.$reset\n"
exit 1;
)
printf "$green> Successfully installed Yarn $version! Please open another terminal where the \`yarn\` command will now be available.$reset\n"
fi
}
yarn_detect_profile() {
if [ -n "${PROFILE}" ] && [ -f "${PROFILE}" ]; then
echo "${PROFILE}"
return
fi
local DETECTED_PROFILE
DETECTED_PROFILE=''
local SHELLTYPE
SHELLTYPE="$(basename "/$SHELL")"
if [ "$SHELLTYPE" = "bash" ]; then
if [ -f "$HOME/.bashrc" ]; then
DETECTED_PROFILE="$HOME/.bashrc"
elif [ -f "$HOME/.bash_profile" ]; then
DETECTED_PROFILE="$HOME/.bash_profile"
fi
elif [ "$SHELLTYPE" = "zsh" ]; then
DETECTED_PROFILE="$HOME/.zshrc"
elif [ "$SHELLTYPE" = "fish" ]; then
DETECTED_PROFILE="$HOME/.config/fish/config.fish"
fi
if [ -z "$DETECTED_PROFILE" ]; then
if [ -f "$HOME/.profile" ]; then
DETECTED_PROFILE="$HOME/.profile"
elif [ -f "$HOME/.bashrc" ]; then
DETECTED_PROFILE="$HOME/.bashrc"
elif [ -f "$HOME/.bash_profile" ]; then
DETECTED_PROFILE="$HOME/.bash_profile"
elif [ -f "$HOME/.zshrc" ]; then
DETECTED_PROFILE="$HOME/.zshrc"
elif [ -f "$HOME/.config/fish/config.fish" ]; then
DETECTED_PROFILE="$HOME/.config/fish/config.fish"
fi
fi
if [ ! -z "$DETECTED_PROFILE" ]; then
echo "$DETECTED_PROFILE"
fi
}
yarn_reset() {
unset -f yarn_install yarn_reset yarn_get_tarball yarn_link yarn_detect_profile yarn_verify_integrity yarn_verify_or_quit
}
yarn_install() {
printf "${white}Installing Yarn!$reset\n"
if [ -d "$HOME/.yarn" ]; then
if which yarn; then
local latest_url
local specified_version
local version_type
if [ "$1" = '--nightly' ]; then
latest_url=https://nightly.yarnpkg.com/latest-tar-version
specified_version=`curl -sS $latest_url`
version_type='latest'
elif [ "$1" = '--version' ]; then
specified_version=$2
version_type='specified'
elif [ "$1" = '--rc' ]; then
latest_url=https://yarnpkg.com/latest-rc-version
specified_version=`curl -sS $latest_url`
version_type='rc'
else
latest_url=https://yarnpkg.com/latest-version
specified_version=`curl -sS $latest_url`
version_type='latest'
fi
yarn_version=`yarn -V`
yarn_alt_version=`yarn --version`
if [ "$specified_version" = "$yarn_version" -o "$specified_version" = "$yarn_alt_version" ]; then
printf "$green> Yarn is already at the $specified_version version.$reset\n"
exit 0
else
printf "$yellow> $yarn_alt_version is already installed, Specified version: $specified_version.$reset\n"
rm -rf "$HOME/.yarn"
fi
else
printf "$red> $HOME/.yarn already exists, possibly from a past Yarn install.$reset\n"
printf "$red> Remove it (rm -rf $HOME/.yarn) and run this script again.$reset\n"
exit 0
fi
fi
yarn_get_tarball $1 $2
yarn_link
yarn_reset
}
yarn_verify_or_quit() {
read -p "$1 [y/N] " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
printf "$red> Aborting$reset\n"
exit 1
fi
}
cd ~
yarn_install $1 $2