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#!/bin/bash
# Options
#
# -V, --verbose
# Enable verbose output for the installer
#
# -f, -y, --force, --yes
# Skip the confirmation prompt during installation
#
# -p, --platform
# Override the platform identified by the installer
#
# -b, --bin-dir
# Override the bin installation directory
#
# -a, --arch
# Override the architecture identified by the installer
#
# -B, --base-url
# Override the base URL used for downloading releases
set -euo pipefail
printf "\n"
BOLD="$(tput bold 2>/dev/null || echo '')"
GREY="$(tput setaf 0 2>/dev/null || echo '')"
UNDERLINE="$(tput smul 2>/dev/null || echo '')"
RED="$(tput setaf 1 2>/dev/null || echo '')"
GREEN="$(tput setaf 2 2>/dev/null || echo '')"
YELLOW="$(tput setaf 3 2>/dev/null || echo '')"
BLUE="$(tput setaf 4 2>/dev/null || echo '')"
MAGENTA="$(tput setaf 5 2>/dev/null || echo '')"
NO_COLOR="$(tput sgr0 2>/dev/null || echo '')"
info() {
printf "${BOLD}${GREY}>${NO_COLOR} $@\n"
}
warn() {
printf "${YELLOW}! $@${NO_COLOR}\n"
}
error() {
printf "${RED}x $@${NO_COLOR}\n" >&2
}
complete() {
printf "${GREEN}✓${NO_COLOR} $@\n"
}
fetch() {
local command
if hash curl 2>/dev/null; then
set +e
command="curl --silent --fail --location $1"
curl --silent --fail --location "$1"
rc=$?
set -e
else
if hash wget 2>/dev/null; then
set +e
command="wget -O- -q $1"
wget -O- -q "$1"
rc=$?
set -e
else
error "No HTTP download program (curl, wget) found…"
exit 1
fi
fi
if [ $rc -ne 0 ]; then
printf "\n" >&2
error "Command failed (exit code $rc): ${BLUE}${command}${NO_COLOR}"
printf "\n" >&2
info "This is likely due to Starship not yet supporting your configuration." >&2
info "If you would like to see a build for your configuration," >&2
info "please create an issue requesting a build for ${MAGENTA}${ARCH}-${PLATFORM}${NO_COLOR}:" >&2
info "${BOLD}${UNDERLINE}https://github.com/starship/starship/issues/new/${NO_COLOR}\n" >&2
exit $rc
fi
}
install() {
local sudo
local msg
if [ -w "$BIN_DIR" ]; then
sudo=""
msg="Installing Starship, please wait…"
else
warn "Escalated permission are required to install to ${BIN_DIR}"
sudo -v || (error "Aborting installation (Please provide root password)";exit 1)
sudo="sudo"
msg="Installing Starship as root, please wait…"
fi
info "$msg"
fetch "${URL}" \
| ${sudo} tar xzf${VERBOSE} - \
-C "${BIN_DIR}"
}
# Currently supporting:
# - win (Git Bash)
# - darwin
# - linux
# - linux_musl (Alpine)
detect_platform() {
local platform
platform="$(uname -s | tr '[:upper:]' '[:lower:]')"
# check for MUSL
if [ "${platform}" = "linux" ]; then
if ldd /bin/sh | grep -i musl >/dev/null; then
platform=unknown-linux-musl
fi
fi
# mingw is Git-Bash
if echo "${platform}" | grep -i mingw >/dev/null; then
platform=pc-windows-msvc
fi
if [ "${platform}" = "linux" ]; then
platform=unknown-linux-gnu
fi
if [ "${platform}" = "darwin" ]; then
platform=apple-darwin
fi
echo "${platform}"
}
# Currently supporting:
# - x86_64
# - i386
detect_arch() {
local arch
arch="$(uname -m | tr '[:upper:]' '[:lower:]')"
# `uname -m` in some cases mis-reports 32-bit OS as 64-bit, so double check
if [ "${arch}" = "x64" ] && [ "$(getconf LONG_BIT)" -eq 32 ]; then
arch=i386
fi
echo "${arch}"
}
confirm() {
if [ -z "${FORCE-}" ]; then
printf "${MAGENTA}?${NO_COLOR} $@ ${BOLD}[y/N]${NO_COLOR} "
set +e
read -r yn < /dev/tty
rc=$?
set -e
if [ $rc -ne 0 ]; then
error "Error reading from prompt (please re-run with the \`--yes\` option)"
exit 1
fi
if [ "$yn" != "y" ] && [ "$yn" != "yes" ]; then
error "Aborting (please answer \"yes\" to continue)"
exit 1
fi
fi
}
check_bin_dir() {
local bin_dir="$1"
# https://stackoverflow.com/a/11655875
local good
good=$( IFS=:
for path in $PATH; do
if [ "${path}" = "${bin_dir}" ]; then
echo 1
break
fi
done
)
if [ "${good}" != "1" ]; then
warn "Bin directory ${bin_dir} is not in your \$PATH"
fi
}
# defaults
if [ -z "${PLATFORM-}" ]; then
PLATFORM="$(detect_platform)"
fi
if [ -z "${BIN_DIR-}" ]; then
BIN_DIR=/usr/local/bin
fi
if [ -z "${ARCH-}" ]; then
ARCH="$(detect_arch)"
fi
if [ -z "${BASE_URL-}" ]; then
BASE_URL="https://github.com/starship/starship/releases"
fi
# parse argv variables
while [ "$#" -gt 0 ]; do
case "$1" in
-p|--platform) PLATFORM="$2"; shift 2;;
-b|--bin-dir) BIN_DIR="$2"; shift 2;;
-a|--arch) ARCH="$2"; shift 2;;
-B|--base-url) BASE_URL="$2"; shift 2;;
-V|--verbose) VERBOSE=1; shift 1;;
-f|-y|--force|--yes) FORCE=1; shift 1;;
-p=*|--platform=*) PLATFORM="${1#*=}"; shift 1;;
-b=*|--bin-dir=*) BIN_DIR="${1#*=}"; shift 1;;
-a=*|--arch=*) ARCH="${1#*=}"; shift 1;;
-B=*|--base-url=*) BASE_URL="${1#*=}"; shift 1;;
-V=*|--verbose=*) VERBOSE="${1#*=}"; shift 1;;
-f=*|-y=*|--force=*|--yes=*) FORCE="${1#*=}"; shift 1;;
*) error "Unknown option: $1"; exit 1;;
esac
done
if [ "${ARCH}" = "i386" ]; then
error "i386 builds are not yet available for Starship\n"
info "If you would like to see a build for your configuration,"
info "please create an issue requesting a build for ${MAGENTA}${ARCH}-${PLATFORM}${NO_COLOR}:"
info "${BOLD}${UNDERLINE}https://github.com/starship/starship/issues/new/${NO_COLOR}\n"
exit 1
fi
printf " ${UNDERLINE}Configuration${NO_COLOR}\n"
info "${BOLD}Bin directory${NO_COLOR}: ${GREEN}${BIN_DIR}${NO_COLOR}"
info "${BOLD}Platform${NO_COLOR}: ${GREEN}${PLATFORM}${NO_COLOR}"
info "${BOLD}Arch${NO_COLOR}: ${GREEN}${ARCH}${NO_COLOR}"
# non-empty VERBOSE enables verbose untarring
if [ -n "${VERBOSE-}" ]; then
VERBOSE=v
info "${BOLD}Verbose${NO_COLOR}: yes"
else
VERBOSE=
fi
echo
EXT=tar.gz
if [ "${PLATFORM}" = win ]; then
EXT=zip
fi
URL="${BASE_URL}/latest/download/starship-${ARCH}-${PLATFORM}.${EXT}"
info "Tarball URL: ${UNDERLINE}${BLUE}${URL}${NO_COLOR}"
check_bin_dir "${BIN_DIR}"
confirm "Install Starship ${GREEN}latest${NO_COLOR} to ${BOLD}${GREEN}${BIN_DIR}${NO_COLOR}?"
install
complete "Starship installed"
echo
info "Please follow the steps for your shell to complete the installation:
${BOLD}${UNDERLINE}Bash${NO_COLOR}
Add the following to the end of ${BOLD}~/.bashrc${NO_COLOR}:
eval \"\$(starship init bash)\"
${BOLD}${UNDERLINE}Fish${NO_COLOR}
Add the following to the end of ${BOLD}~/.config/fish/config.fish${NO_COLOR}:
starship init fish | source
${BOLD}${UNDERLINE}Zsh${NO_COLOR}
Add the following to the end of ${BOLD}~/.zshrc${NO_COLOR}:
eval \"\$(starship init zsh)\"
${BOLD}${UNDERLINE}Ion${NO_COLOR}
Add the following to the end of ${BOLD
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