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fix: Update install.sh for Windows (#1300)
Adds several cross-platform utility functions to the install.sh script and rewrites core functionality so that it might work on Windows. Among these are: - Correct platform extensions to match the output of `detect_platform` - Check to make sure installation directory actually exists - If sudo is not available, print a message asking the user to manually escalate - Unpack zip files (used for Windows builds) without using pipes, since zip files cannot be read through pipes After these changes, install.sh works on a testing copy of Git Bash on Windows, though it still has known issues (e.g. if the `unzip` program is not installed, it will crash).
This commit is contained in:
Kevin Song
GitHub
parent
4a4266f6c4
commit
3ebd2c0ad5
@ -49,6 +49,31 @@ complete() {
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printf "${GREEN}✓${NO_COLOR} $@\n"
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}
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# Gets path to a temporary file, even if
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get_tmpfile(){
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local suffix
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suffix="$1"
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if hash mktemp; then
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printf "$(mktemp).${suffix}"
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else
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# No really good options here--let's pick a default + hope
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printf "/tmp/starship.%s" "${suffix}"
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fi
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}
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# Test if a location is writeable by trying to write to it. Windows does not let
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# you test writeability other than by writing: https://stackoverflow.com/q/1999988
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test_writeable(){
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local path
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path="${1:-}/test.txt"
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if touch "${path}" 2> /dev/null; then
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rm "${path}"
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return 0
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else
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return 1
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fi
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}
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fetch() {
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local command
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if hash curl 2>/dev/null; then
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@ -82,22 +107,58 @@ fetch() {
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fi
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}
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fetch_and_unpack(){
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local sudo
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local tmpfile
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sudo="$1"
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# I'd like to separate this into a fetch() and unpack() function, but I can't
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# figure out how to get bash functions to read STDIN/STDOUT from pipes
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if [ "${EXT}" = "tar.gz" ]; then
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fetch "${URL}" | ${sudo} tar xzf${VERBOSE} - -C "${BIN_DIR}"
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elif [ "${EXT}" = "zip" ]; then
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# According to https://unix.stackexchange.com/q/2690, zip files cannot be read
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# through a pipe. We'll have to do our own file-based setup.
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tmpfile="$(get_tmpfile "${EXT}")"
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fetch "${URL}" > "${tmpfile}"
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${sudo} unzip "${tmpfile}" -d "${BIN_DIR}"
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rm "${tmpfile}"
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else
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error "Unknown package extension."
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info "This almost certainly results from a bug in this script--please file a"
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info "bug report at https://github.com/starship/starship/issues"
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exit 1
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fi
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}
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elevate_priv(){
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if ! hash sudo 2>/dev/null; then
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error "Could not find the command \"sudo\", needed to get permissions for install."
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info "If you are on Windows, please run your shell as an administrator, then"
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info "rerun this script. Otherwise, please run this script as root, or install"
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info "sudo."
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exit 1
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fi
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if ! sudo -v; then
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error "Superuser not granted, aborting installation"
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exit 1
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fi
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}
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install() {
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local sudo
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local msg
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if [ -w "$BIN_DIR" ]; then
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sudo=""
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msg="Installing Starship, please wait…"
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else
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warn "Escalated permission are required to install to ${BIN_DIR}"
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sudo -v || (error "Aborting installation (Please provide root password)";exit 1)
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sudo="sudo"
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msg="Installing Starship as root, please wait…"
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fi
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info "$msg"
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fetch "${URL}" \
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| ${sudo} tar xzf${VERBOSE} - \
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-C "${BIN_DIR}"
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local sudo
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if test_writeable "${BIN_DIR}" ; then
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sudo=""
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msg="Installing Starship, please wait…"
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else
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warn "Escalated permission are required to install to ${BIN_DIR}"
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elevate_priv
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sudo="sudo"
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msg="Installing Starship as root, please wait…"
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fi
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info "$msg"
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fetch_and_unpack "${sudo}"
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}
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# Currently supporting:
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@ -168,6 +229,12 @@ confirm() {
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check_bin_dir() {
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local bin_dir="$1"
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if [ ! -d "$BIN_DIR" ]; then
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error "Installation location $BIN_DIR does not appear to be a directory"
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info "Make sure the location exists and is a directory, then try again."
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exit 1
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fi
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# https://stackoverflow.com/a/11655875
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local good
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good=$( IFS=:
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@ -247,14 +314,14 @@ fi
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echo
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EXT=tar.gz
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if [ "${PLATFORM}" = win ]; then
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if [ "${PLATFORM}" = "pc-windows-msvc" ]; then
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EXT=zip
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fi
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URL="${BASE_URL}/latest/download/starship-${ARCH}-${PLATFORM}.${EXT}"
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info "Tarball URL: ${UNDERLINE}${BLUE}${URL}${NO_COLOR}"
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check_bin_dir "${BIN_DIR}"
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confirm "Install Starship ${GREEN}latest${NO_COLOR} to ${BOLD}${GREEN}${BIN_DIR}${NO_COLOR}?"
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check_bin_dir "${BIN_DIR}"
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install
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complete "Starship installed"
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@ -280,6 +347,5 @@ info "Please follow the steps for your shell to complete the installation:
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${BOLD}${UNDERLINE}Ion${NO_COLOR}
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Add the following to the end of ${BOLD}~/.config/ion/initrc${NO_COLOR}:
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eval $(starship init ion)
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eval \$(starship init ion)
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"
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