Add support for options in install script
This adds support for serveral new command line options (taken from the usage):
"-b, --bin-dir" "Override the bin installation directory [default: ${_bin_dir}]" \
"-m, --man-dir" "Override the man installation directory [default: ${_man_dir}]" \
"-a, --arch" "Override the architecture identified by the installer [default: ${_arch}]" \
"-h, --help" "Display this help message"
This also (coincidentally) allows for $BIN_DIR, $MAN_DIR, and $ARCH to be set to create default settings for these.
These variables are *always* overwritten by the command line arguments.
This diff is unusually large, as my formatter ([shfmt](https://github.com/mvdan/sh)) ran, reformatting the majority of the script.
This also adds a few utilities to the script (`log`/`abort`) and modifies `err` to simply output to stderr.
This allows for more fine grain control over script flow and output, without relying on `echo >&2`.
This commit is contained in:
aarondill
parent
72a49ec9c9
commit
f1a54433a2
755
install.sh
755
install.sh
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@ -1,120 +1,203 @@
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#!/bin/sh
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#!/bin/sh
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# shellcheck shell=dash
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# shellcheck shell=dash
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# shellcheck disable=SC3043
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# The official zoxide installer.
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# The official zoxide installer.
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#
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#
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# It runs on Unix shells like {a,ba,da,k,z}sh. It uses the common `local`
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# It runs on Unix shells like {a,ba,da,k,z}sh. It uses the common `local`
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# extension. Note: Most shells limit `local` to 1 var per line, contra bash.
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# extension. Note: Most shells limit `local` to 1 var per line, contra bash.
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main() {
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usage() {
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if [ "${KSH_VERSION-}" = 'Version JM 93t+ 2010-03-05' ]; then
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printf "%s\n" \
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# The version of ksh93 that ships with many illumos systems does not
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"install.sh [option]" \
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# support the "local" extension. Print a message rather than fail in
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"" \
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# subtle ways later on:
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"Fetch and install the latest version of zoxide, if zoxide is already" \
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err 'the installer does not work with this ksh93 version; please try bash'
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"installed it will be updated to the latest version."
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printf "\n%s\n" "Options"
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printf "\t%s\n\t\t%s\n\n" \
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"-b, --bin-dir" "Override the bin installation directory [default: ${_bin_dir}]" \
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"-m, --man-dir" "Override the man installation directory [default: ${_man_dir}]" \
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"-a, --arch" "Override the architecture identified by the installer [default: ${_arch}]" \
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"-h, --help" "Display this help message"
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}
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# outputs sudo command to use to stdout, exits script if no command can be found
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elevate_priv() {
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if has sudo; then
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if sudo true; then
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printf 'sudo'
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return 0
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else
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err "Sudo failed. Checking doas support."
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fi
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fi
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fi
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set -u
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if has doas; then
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if doas true; then
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printf "doas"
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return 0
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else
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err "doas failed."
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fi
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fi
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# Detect and print host target triple.
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# returns before this if a command is found.
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err 'Could not find the command "sudo" or "doas", needed to get permissions for install.'
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err "If you are on Windows, please run your shell as an administrator, then"
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err "rerun this script. Otherwise, please run this script as root, or install"
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err "sudo or doas."
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exit 1
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}
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main() {
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if [ "${KSH_VERSION-}" = 'Version JM 93t+ 2010-03-05' ]; then
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# The version of ksh93 that ships with many illumos systems does not
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# support the "local" extension. Print a message rather than fail in
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# subtle ways later on:
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abort 'the installer does not work with this ksh93 version; please try bash'
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fi
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set -u
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# Detect and print host target triple.
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if [ -n "${ARCH:-}" ]; then
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# if the user specifed, trust them - don't error on unrecognized hardware.
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local _arch="${ARCH}"
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else
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ensure get_architecture
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ensure get_architecture
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local _arch="${RETVAL}"
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local _arch="${RETVAL}"
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assert_nz "${_arch}" "arch"
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fi
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echo "Detected architecture: ${_arch}"
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assert_nz "${_arch}" "arch"
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log "Detected architecture: ${_arch}"
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# Create and enter a temporary directory.
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local _bin_dir="${HOME}/.local/bin"
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local _tmp_dir
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local _bin_name
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_tmp_dir="$(mktemp -d)" || err "mktemp: could not create temporary directory"
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local _man_dir="${HOME}/.local/share/man"
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cd "${_tmp_dir}" || err "cd: failed to enter directory: ${_tmp_dir}"
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# Download and extract zoxide.
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parse_args "$@" # sets global variables (BIN_DIR, MAN_DIR, ARCH)
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ensure download_zoxide "${_arch}"
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local _package="${RETVAL}"
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assert_nz "${_package}" "package"
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echo "Downloaded package: ${_package}"
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case "${_package}" in
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*.tar.gz)
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need_cmd tar
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ensure tar -xf "${_package}"
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;;
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*.zip)
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need_cmd unzip
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ensure unzip -oq "${_package}"
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;;
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*)
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err "unsupported package format: ${_package}"
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;;
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esac
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# Install binary.
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_bin_dir=${BIN_DIR:-$_bin_dir}
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local _bin_dir="${HOME}/.local/bin"
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_man_dir=${MAN_DIR:-$_man_dir}
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local _bin_name
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_arch=${ARCH:-$_arch}
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case "${_arch}" in
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*windows*) _bin_name="zoxide.exe" ;;
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*) _bin_name="zoxide" ;;
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esac
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ensure mkdir -p "${_bin_dir}"
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ensure cp "${_bin_name}" "${_bin_dir}"
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ensure chmod +x "${_bin_dir}/${_bin_name}"
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echo "Installed zoxide to ${_bin_dir}"
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# Install manpages.
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case "${_arch}" in
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local _man_dir="${HOME}/.local/share/man"
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*windows*) _bin_name="zoxide.exe" ;;
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ensure mkdir -p "${_man_dir}/man1"
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*) _bin_name="zoxide" ;;
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ensure cp "man/man1/"* "${_man_dir}/man1/"
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esac
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echo "Installed manpages to ${_man_dir}"
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# Print success message and check $PATH.
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if ! [ -d "${_bin_dir}" ]; then
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echo ""
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abort "Please ensure the destination exists! (${_bin_dir})"
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echo "zoxide is installed!"
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fi
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if ! echo ":${PATH}:" | grep -Fq ":${_bin_dir}:"; then
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if ! [ -d "${_man_dir}" ]; then
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echo "NOTE: ${_bin_dir} is not on your \$PATH. zoxide will not work unless it is added to \$PATH."
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abort "Please ensure the manual destination exists! (${_man_dir})"
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fi
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fi
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local sudo=""
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if test_writeable "${_bin_dir}"; then
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log "Installing zoxide, please wait…"
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else
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log "Escalated permissions are required to install to ${_bin_dir}"
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sudo=$(elevate_priv)
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log "Installing zoxide as root, please wait…"
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fi
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# Create and enter a temporary directory.
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local _tmp_dir
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_tmp_dir="$(mktemp -d)" || abort "mktemp: could not create temporary directory"
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cd -- "${_tmp_dir}" || abort "cd: failed to enter directory: ${_tmp_dir}"
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# Download and extract zoxide.
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ensure download_zoxide "${_arch}"
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local _package="${RETVAL}"
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assert_nz "${_package}" "package"
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log "Downloaded package: ${_package}"
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case "${_package}" in
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*.tar.gz)
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need_cmd tar
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ensure tar -xf "${_package}"
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;;
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*.zip)
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need_cmd unzip
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ensure unzip -oq "${_package}"
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;;
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*)
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abort "unsupported package format: ${_package}"
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;;
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esac
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# Install binary.
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# shellcheck disable=SC2086 # The lack of quoting is intentional. This may not be the best way to do it, but it's hard to properly do in POSIX
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{
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ensure ${sudo} cp "${_bin_name}" "${_bin_dir}"
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ensure ${sudo} chmod +x "${_bin_dir}/${_bin_name}"
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}
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log "Installed zoxide to ${_bin_dir}"
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# Install manpages.
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# shellcheck disable=SC2086 # The lack of quoting is intentional.
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ensure ${sudo} cp "man/man1/"* "${_man_dir}/man1/"
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log "Installed manpages to ${_man_dir}"
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# Print success message and check $PATH.
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log ""
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log "zoxide is installed!"
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case ":${PATH}:" in
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*":${_bin_dir}:"*) true ;; # noop
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*) log "NOTE: ${_bin_dir} is not on your \$PATH. zoxide will not work unless it is added to \$PATH." ;;
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esac
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}
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}
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download_zoxide() {
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download_zoxide() {
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local _arch="$1"
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local _arch="$1"
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if check_cmd curl; then
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if has_cmd curl; then
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_dld=curl
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_dld=curl
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elif check_cmd wget; then
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elif has_cmd wget; then
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_dld=wget
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_dld=wget
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else
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elif has_cmd fetch; then
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need_cmd 'curl or wget'
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_dld="fetch"
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fi
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# cmd="fetch --quiet --output=$file $url"
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need_cmd grep
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else
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abort 'curl or wget are required to download zoxide'
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fi
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local _releases_url="https://api.github.com/repos/ajeetdsouza/zoxide/releases/latest"
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need_cmd grep
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local _releases
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case "${_dld}" in
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curl) _releases="$(curl -sL "${_releases_url}")" ||
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err "curl: failed to download ${_releases_url}" ;;
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wget) _releases="$(wget -qO- "${_releases_url}")" ||
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err "wget: failed to download ${_releases_url}" ;;
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*) err "unsupported downloader: ${_dld}" ;;
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esac
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(echo "${_releases}" | grep -q 'API rate limit exceeded') &&
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err "you have exceeded GitHub's API rate limit. Please try again later, or use a different installation method: https://github.com/ajeetdsouza/zoxide/#installation"
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local _package_url
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local _releases_url="https://api.github.com/repos/ajeetdsouza/zoxide/releases/latest"
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_package_url="$(echo "${_releases}" | grep "browser_download_url" | cut -d '"' -f 4 | grep "${_arch}")" ||
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local _releases
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err "zoxide has not yet been packaged for your architecture (${_arch}), please file an issue: https://github.com/ajeetdsouza/zoxide/issues"
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case "${_dld}" in
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curl) _releases="$(curl -sL "${_releases_url}")" ||
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abort "curl: failed to download ${_releases_url}" ;;
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wget) _releases="$(wget -qO- "${_releases_url}")" ||
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abort "wget: failed to download ${_releases_url}" ;;
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fetch) _releases="$(fetch --quiet "${_releases_url}")" ||
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abort "fetch: failed to download ${_releases_url}" ;;
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*) abort "unsupported downloader: ${_dld}" ;;
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esac
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(printf "%s" "${_releases}" | grep -q 'API rate limit exceeded') &&
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abort "you have exceeded GitHub's API rate limit. Please try again later, or use a different installation method: https://github.com/ajeetdsouza/zoxide/#installation"
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local _ext
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local _package_url
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case "${_package_url}" in
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_package_url="$(printf "%s" "${_releases}" | grep "browser_download_url" | cut -d '"' -f 4 | grep "${_arch}")" ||
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*.tar.gz) _ext="tar.gz" ;;
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abort "zoxide has not yet been packaged for your architecture (${_arch}), please file an issue: https://github.com/ajeetdsouza/zoxide/issues"
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*.zip) _ext="zip" ;;
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*) err "unsupported package format: ${_package_url}" ;;
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esac
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local _package="zoxide.${_ext}"
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local _ext
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case "${_dld}" in
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case "${_package_url}" in
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curl) _releases="$(curl -sLo "${_package}" "${_package_url}")" || err "curl: failed to download ${_package_url}" ;;
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*.tar.gz) _ext="tar.gz" ;;
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wget) _releases="$(wget -qO "${_package}" "${_package_url}")" || err "wget: failed to download ${_package_url}" ;;
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*.zip) _ext="zip" ;;
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*) err "unsupported downloader: ${_dld}" ;;
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*) abort "unsupported package format: ${_package_url}" ;;
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esac
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esac
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RETVAL="${_package}"
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local _package="zoxide.${_ext}"
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case "${_dld}" in
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curl) _releases="$(curl -sLo "${_package}" "${_package_url}")" || abort "curl: failed to download ${_package_url}" ;;
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wget) _releases="$(wget -qO "${_package}" "${_package_url}")" || abort "wget: failed to download ${_package_url}" ;;
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fetch) _releases="$(fetch --quiet --output="${_package}" "${_package_url}")" || abort "fetch: failed to download ${_package_url}" ;;
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*) abort "unsupported downloader: ${_dld}" ;;
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esac
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RETVAL="${_package}"
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}
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}
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# The below functions have been extracted with minor modifications from the
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# The below functions have been extracted with minor modifications from the
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@ -123,269 +206,317 @@ download_zoxide() {
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# https://github.com/rust-lang/rustup/blob/4c1289b2c3f3702783900934a38d7c5f912af787/rustup-init.sh
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# https://github.com/rust-lang/rustup/blob/4c1289b2c3f3702783900934a38d7c5f912af787/rustup-init.sh
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get_architecture() {
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get_architecture() {
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local _ostype _cputype _bitness _arch _clibtype
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local _ostype _cputype _bitness _arch _clibtype
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_ostype="$(uname -s)"
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_ostype="$(uname -s)"
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_cputype="$(uname -m)"
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_cputype="$(uname -m)"
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_clibtype="musl"
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_clibtype="musl"
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if [ "${_ostype}" = Linux ]; then
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if [ "${_ostype}" = Linux ]; then
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if [ "$(uname -o || true)" = Android ]; then
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if [ "$(uname -o || true)" = Android ]; then
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_ostype=Android
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_ostype=Android
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fi
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fi
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fi
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if [ "${_ostype}" = Darwin ] && [ "${_cputype}" = i386 ]; then
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# Darwin `uname -m` lies
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if sysctl hw.optional.x86_64 | grep -q ': 1'; then
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_cputype=x86_64
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fi
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fi
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if [ "${_ostype}" = SunOS ]; then
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# Both Solaris and illumos presently announce as "SunOS" in "uname -s"
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# so use "uname -o" to disambiguate. We use the full path to the
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# system uname in case the user has coreutils uname first in PATH,
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# which has historically sometimes printed the wrong value here.
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if [ "$(/usr/bin/uname -o || true)" = illumos ]; then
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_ostype=illumos
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fi
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fi
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if [ "${_ostype}" = Darwin ] && [ "${_cputype}" = i386 ]; then
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# illumos systems have multi-arch userlands, and "uname -m" reports the
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# Darwin `uname -m` lies
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# machine hardware name; e.g., "i86pc" on both 32- and 64-bit x86
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if sysctl hw.optional.x86_64 | grep -q ': 1'; then
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# systems. Check for the native (widest) instruction set on the
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_cputype=x86_64
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# running kernel:
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fi
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if [ "${_cputype}" = i86pc ]; then
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_cputype="$(isainfo -n)"
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||||||
fi
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fi
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fi
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||||||
if [ "${_ostype}" = SunOS ]; then
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case "${_ostype}" in
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||||||
# Both Solaris and illumos presently announce as "SunOS" in "uname -s"
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Android)
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||||||
# so use "uname -o" to disambiguate. We use the full path to the
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_ostype=linux-android
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||||||
# system uname in case the user has coreutils uname first in PATH,
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;;
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||||||
# which has historically sometimes printed the wrong value here.
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Linux)
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||||||
if [ "$(/usr/bin/uname -o || true)" = illumos ]; then
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check_proc
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_ostype=illumos
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_ostype=unknown-linux-${_clibtype}
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fi
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_bitness=$(get_bitness)
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||||||
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;;
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FreeBSD)
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_ostype=unknown-freebsd
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||||||
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;;
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||||||
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NetBSD)
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||||||
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_ostype=unknown-netbsd
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||||||
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;;
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||||||
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DragonFly)
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||||||
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_ostype=unknown-dragonfly
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||||||
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;;
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||||||
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Darwin)
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||||||
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_ostype=apple-darwin
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||||||
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;;
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illumos)
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||||||
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_ostype=unknown-illumos
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||||||
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;;
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MINGW* | MSYS* | CYGWIN* | Windows_NT)
|
||||||
|
_ostype=pc-windows-msvc
|
||||||
|
;;
|
||||||
|
*)
|
||||||
|
abort "unrecognized OS type: ${_ostype}"
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
|
||||||
# illumos systems have multi-arch userlands, and "uname -m" reports the
|
case "${_cputype}" in
|
||||||
# machine hardware name; e.g., "i86pc" on both 32- and 64-bit x86
|
i386 | i486 | i686 | i786 | x86)
|
||||||
# systems. Check for the native (widest) instruction set on the
|
_cputype=i686
|
||||||
# running kernel:
|
;;
|
||||||
if [ "${_cputype}" = i86pc ]; then
|
xscale | arm)
|
||||||
_cputype="$(isainfo -n)"
|
_cputype=arm
|
||||||
fi
|
if [ "${_ostype}" = "linux-android" ]; then
|
||||||
|
_ostype=linux-androideabi
|
||||||
fi
|
fi
|
||||||
|
;;
|
||||||
|
armv6l)
|
||||||
|
_cputype=arm
|
||||||
|
if [ "${_ostype}" = "linux-android" ]; then
|
||||||
|
_ostype=linux-androideabi
|
||||||
|
else
|
||||||
|
_ostype="${_ostype}eabihf"
|
||||||
|
fi
|
||||||
|
;;
|
||||||
|
armv7l | armv8l)
|
||||||
|
_cputype=armv7
|
||||||
|
if [ "${_ostype}" = "linux-android" ]; then
|
||||||
|
_ostype=linux-androideabi
|
||||||
|
else
|
||||||
|
_ostype="${_ostype}eabihf"
|
||||||
|
fi
|
||||||
|
;;
|
||||||
|
aarch64 | arm64)
|
||||||
|
_cputype=aarch64
|
||||||
|
;;
|
||||||
|
x86_64 | x86-64 | x64 | amd64)
|
||||||
|
_cputype=x86_64
|
||||||
|
;;
|
||||||
|
mips)
|
||||||
|
_cputype=$(get_endianness mips '' el)
|
||||||
|
;;
|
||||||
|
mips64)
|
||||||
|
if [ "${_bitness}" -eq 64 ]; then
|
||||||
|
# only n64 ABI is supported for now
|
||||||
|
_ostype="${_ostype}abi64"
|
||||||
|
_cputype=$(get_endianness mips64 '' el)
|
||||||
|
fi
|
||||||
|
;;
|
||||||
|
ppc)
|
||||||
|
_cputype=powerpc
|
||||||
|
;;
|
||||||
|
ppc64)
|
||||||
|
_cputype=powerpc64
|
||||||
|
;;
|
||||||
|
ppc64le)
|
||||||
|
_cputype=powerpc64le
|
||||||
|
;;
|
||||||
|
s390x)
|
||||||
|
_cputype=s390x
|
||||||
|
;;
|
||||||
|
riscv64)
|
||||||
|
_cputype=riscv64gc
|
||||||
|
;;
|
||||||
|
*)
|
||||||
|
abort "unknown CPU type: ${_cputype}"
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
|
||||||
case "${_ostype}" in
|
# Detect 64-bit linux with 32-bit userland
|
||||||
Android)
|
if [ "${_ostype}" = unknown-linux-musl ] && [ "${_bitness}" -eq 32 ]; then
|
||||||
_ostype=linux-android
|
case ${_cputype} in
|
||||||
;;
|
x86_64)
|
||||||
Linux)
|
# 32-bit executable for amd64 = x32
|
||||||
check_proc
|
if is_host_amd64_elf; then
|
||||||
_ostype=unknown-linux-${_clibtype}
|
abort "x32 userland is unsupported"
|
||||||
_bitness=$(get_bitness)
|
else
|
||||||
;;
|
|
||||||
FreeBSD)
|
|
||||||
_ostype=unknown-freebsd
|
|
||||||
;;
|
|
||||||
NetBSD)
|
|
||||||
_ostype=unknown-netbsd
|
|
||||||
;;
|
|
||||||
DragonFly)
|
|
||||||
_ostype=unknown-dragonfly
|
|
||||||
;;
|
|
||||||
Darwin)
|
|
||||||
_ostype=apple-darwin
|
|
||||||
;;
|
|
||||||
illumos)
|
|
||||||
_ostype=unknown-illumos
|
|
||||||
;;
|
|
||||||
MINGW* | MSYS* | CYGWIN* | Windows_NT)
|
|
||||||
_ostype=pc-windows-msvc
|
|
||||||
;;
|
|
||||||
*)
|
|
||||||
err "unrecognized OS type: ${_ostype}"
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
|
|
||||||
case "${_cputype}" in
|
|
||||||
i386 | i486 | i686 | i786 | x86)
|
|
||||||
_cputype=i686
|
_cputype=i686
|
||||||
;;
|
fi
|
||||||
xscale | arm)
|
;;
|
||||||
_cputype=arm
|
|
||||||
if [ "${_ostype}" = "linux-android" ]; then
|
|
||||||
_ostype=linux-androideabi
|
|
||||||
fi
|
|
||||||
;;
|
|
||||||
armv6l)
|
|
||||||
_cputype=arm
|
|
||||||
if [ "${_ostype}" = "linux-android" ]; then
|
|
||||||
_ostype=linux-androideabi
|
|
||||||
else
|
|
||||||
_ostype="${_ostype}eabihf"
|
|
||||||
fi
|
|
||||||
;;
|
|
||||||
armv7l | armv8l)
|
|
||||||
_cputype=armv7
|
|
||||||
if [ "${_ostype}" = "linux-android" ]; then
|
|
||||||
_ostype=linux-androideabi
|
|
||||||
else
|
|
||||||
_ostype="${_ostype}eabihf"
|
|
||||||
fi
|
|
||||||
;;
|
|
||||||
aarch64 | arm64)
|
|
||||||
_cputype=aarch64
|
|
||||||
;;
|
|
||||||
x86_64 | x86-64 | x64 | amd64)
|
|
||||||
_cputype=x86_64
|
|
||||||
;;
|
|
||||||
mips)
|
|
||||||
_cputype=$(get_endianness mips '' el)
|
|
||||||
;;
|
|
||||||
mips64)
|
mips64)
|
||||||
if [ "${_bitness}" -eq 64 ]; then
|
_cputype=$(get_endianness mips '' el)
|
||||||
# only n64 ABI is supported for now
|
;;
|
||||||
_ostype="${_ostype}abi64"
|
powerpc64)
|
||||||
_cputype=$(get_endianness mips64 '' el)
|
_cputype=powerpc
|
||||||
fi
|
;;
|
||||||
;;
|
aarch64)
|
||||||
ppc)
|
_cputype=armv7
|
||||||
_cputype=powerpc
|
if [ "${_ostype}" = "linux-android" ]; then
|
||||||
;;
|
_ostype=linux-androideabi
|
||||||
ppc64)
|
else
|
||||||
_cputype=powerpc64
|
_ostype="${_ostype}eabihf"
|
||||||
;;
|
fi
|
||||||
ppc64le)
|
;;
|
||||||
_cputype=powerpc64le
|
riscv64gc)
|
||||||
;;
|
abort "riscv64 with 32-bit userland unsupported"
|
||||||
s390x)
|
;;
|
||||||
_cputype=s390x
|
*) ;;
|
||||||
;;
|
|
||||||
riscv64)
|
|
||||||
_cputype=riscv64gc
|
|
||||||
;;
|
|
||||||
*)
|
|
||||||
err "unknown CPU type: ${_cputype}"
|
|
||||||
;;
|
|
||||||
esac
|
esac
|
||||||
|
fi
|
||||||
|
|
||||||
# Detect 64-bit linux with 32-bit userland
|
# Detect armv7 but without the CPU features Rust needs in that build,
|
||||||
if [ "${_ostype}" = unknown-linux-musl ] && [ "${_bitness}" -eq 32 ]; then
|
# and fall back to arm.
|
||||||
case ${_cputype} in
|
# See https://github.com/rust-lang/rustup.rs/issues/587.
|
||||||
x86_64)
|
if [ "${_ostype}" = "unknown-linux-musleabihf" ] && [ "${_cputype}" = armv7 ]; then
|
||||||
# 32-bit executable for amd64 = x32
|
if ensure grep '^Features' /proc/cpuinfo | grep -q -v neon; then
|
||||||
if is_host_amd64_elf; then {
|
# At least one processor does not have NEON.
|
||||||
echo "x32 userland is unsupported" 1>&2
|
_cputype=arm
|
||||||
exit 1
|
|
||||||
}; else
|
|
||||||
_cputype=i686
|
|
||||||
fi
|
|
||||||
;;
|
|
||||||
mips64)
|
|
||||||
_cputype=$(get_endianness mips '' el)
|
|
||||||
;;
|
|
||||||
powerpc64)
|
|
||||||
_cputype=powerpc
|
|
||||||
;;
|
|
||||||
aarch64)
|
|
||||||
_cputype=armv7
|
|
||||||
if [ "${_ostype}" = "linux-android" ]; then
|
|
||||||
_ostype=linux-androideabi
|
|
||||||
else
|
|
||||||
_ostype="${_ostype}eabihf"
|
|
||||||
fi
|
|
||||||
;;
|
|
||||||
riscv64gc)
|
|
||||||
err "riscv64 with 32-bit userland unsupported"
|
|
||||||
;;
|
|
||||||
*) ;;
|
|
||||||
esac
|
|
||||||
fi
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
# Detect armv7 but without the CPU features Rust needs in that build,
|
_arch="${_cputype}-${_ostype}"
|
||||||
# and fall back to arm.
|
RETVAL="${_arch}"
|
||||||
# See https://github.com/rust-lang/rustup.rs/issues/587.
|
|
||||||
if [ "${_ostype}" = "unknown-linux-musleabihf" ] && [ "${_cputype}" = armv7 ]; then
|
|
||||||
if ensure grep '^Features' /proc/cpuinfo | grep -q -v neon; then
|
|
||||||
# At least one processor does not have NEON.
|
|
||||||
_cputype=arm
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
|
|
||||||
_arch="${_cputype}-${_ostype}"
|
|
||||||
RETVAL="${_arch}"
|
|
||||||
}
|
}
|
||||||
|
|
||||||
get_bitness() {
|
get_bitness() {
|
||||||
need_cmd head
|
need_cmd head
|
||||||
# Architecture detection without dependencies beyond coreutils.
|
# Architecture detection without dependencies beyond coreutils.
|
||||||
# ELF files start out "\x7fELF", and the following byte is
|
# ELF files start out "\x7fELF", and the following byte is
|
||||||
# 0x01 for 32-bit and
|
# 0x01 for 32-bit and
|
||||||
# 0x02 for 64-bit.
|
# 0x02 for 64-bit.
|
||||||
# The printf builtin on some shells like dash only supports octal
|
# The printf builtin on some shells like dash only supports octal
|
||||||
# escape sequences, so we use those.
|
# escape sequences, so we use those.
|
||||||
local _current_exe_head
|
local _current_exe_head
|
||||||
_current_exe_head=$(head -c 5 /proc/self/exe)
|
_current_exe_head=$(head -c 5 /proc/self/exe)
|
||||||
if [ "${_current_exe_head}" = "$(printf '\177ELF\001')" ]; then
|
if [ "${_current_exe_head}" = "$(printf '\177ELF\001')" ]; then
|
||||||
echo 32
|
printf 32
|
||||||
elif [ "${_current_exe_head}" = "$(printf '\177ELF\002')" ]; then
|
elif [ "${_current_exe_head}" = "$(printf '\177ELF\002')" ]; then
|
||||||
echo 64
|
printf 64
|
||||||
else
|
else
|
||||||
err "unknown platform bitness"
|
abort "unknown platform bitness"
|
||||||
fi
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
get_endianness() {
|
get_endianness() {
|
||||||
local cputype=$1
|
local cputype="$1"
|
||||||
local suffix_eb=$2
|
local suffix_eb="$2"
|
||||||
local suffix_el=$3
|
local suffix_el="$3"
|
||||||
|
|
||||||
# detect endianness without od/hexdump, like get_bitness() does.
|
# detect endianness without od/hexdump, like get_bitness() does.
|
||||||
need_cmd head
|
need_cmd head
|
||||||
need_cmd tail
|
need_cmd tail
|
||||||
|
|
||||||
local _current_exe_endianness
|
local _current_exe_endianness
|
||||||
_current_exe_endianness="$(head -c 6 /proc/self/exe | tail -c 1)"
|
_current_exe_endianness="$(head -c 6 /proc/self/exe | tail -c 1)"
|
||||||
if [ "${_current_exe_endianness}" = "$(printf '\001')" ]; then
|
if [ "${_current_exe_endianness}" = "$(printf '\001')" ]; then
|
||||||
echo "${cputype}${suffix_el}"
|
printf "%s" "${cputype}${suffix_el}"
|
||||||
elif [ "${_current_exe_endianness}" = "$(printf '\002')" ]; then
|
elif [ "${_current_exe_endianness}" = "$(printf '\002')" ]; then
|
||||||
echo "${cputype}${suffix_eb}"
|
printf "%s" "${cputype}${suffix_eb}"
|
||||||
else
|
else
|
||||||
err "unknown platform endianness"
|
abort "unknown platform endianness"
|
||||||
fi
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
is_host_amd64_elf() {
|
is_host_amd64_elf() {
|
||||||
need_cmd head
|
need_cmd head
|
||||||
need_cmd tail
|
need_cmd tail
|
||||||
# ELF e_machine detection without dependencies beyond coreutils.
|
# ELF e_machine detection without dependencies beyond coreutils.
|
||||||
# Two-byte field at offset 0x12 indicates the CPU,
|
# Two-byte field at offset 0x12 indicates the CPU,
|
||||||
# but we're interested in it being 0x3E to indicate amd64, or not that.
|
# but we're interested in it being 0x3E to indicate amd64, or not that.
|
||||||
local _current_exe_machine
|
local _current_exe_machine
|
||||||
_current_exe_machine=$(head -c 19 /proc/self/exe | tail -c 1)
|
_current_exe_machine=$(head -c 19 /proc/self/exe | tail -c 1)
|
||||||
[ "${_current_exe_machine}" = "$(printf '\076')" ]
|
[ "${_current_exe_machine}" = "$(printf '\076')" ]
|
||||||
|
}
|
||||||
|
|
||||||
|
# Test if a location is writeable by trying to write to it. Windows does not let
|
||||||
|
# you test writeability other than by writing: https://stackoverflow.com/q/1999988
|
||||||
|
test_writeable() {
|
||||||
|
path="${1:-}/test.txt"
|
||||||
|
if touch "${path}" 2>/dev/null; then
|
||||||
|
rm "${path}"
|
||||||
|
return 0
|
||||||
|
else
|
||||||
|
return 1
|
||||||
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
check_proc() {
|
check_proc() {
|
||||||
# Check for /proc by looking for the /proc/self/exe link.
|
# Check for /proc by looking for the /proc/self/exe link.
|
||||||
# This is only run on Linux.
|
# This is only run on Linux.
|
||||||
if ! test -L /proc/self/exe; then
|
if ! test -L /proc/self/exe; then
|
||||||
err "unable to find /proc/self/exe. Is /proc mounted? Installation cannot proceed without /proc."
|
abort "unable to find /proc/self/exe. Is /proc mounted? Installation cannot proceed without /proc."
|
||||||
fi
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
need_cmd() {
|
need_cmd() {
|
||||||
if ! check_cmd "$1"; then
|
if ! has_cmd "$1"; then
|
||||||
err "need '$1' (command not found)"
|
abort "need '$1' (command not found)"
|
||||||
fi
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
check_cmd() {
|
has_cmd() { command -v "$1" >/dev/null 2>&1; }
|
||||||
command -v "$1" >/dev/null 2>&1
|
|
||||||
|
# parse the arguments passed and set the environment variables accordingly
|
||||||
|
parse_args() {
|
||||||
|
# parse argv variables
|
||||||
|
while [ "$#" -gt 0 ]; do
|
||||||
|
case "$1" in
|
||||||
|
-b | --bin-dir)
|
||||||
|
BIN_DIR="$2"
|
||||||
|
shift 2
|
||||||
|
;;
|
||||||
|
-m | --man-dir)
|
||||||
|
MAN_DIR="$2"
|
||||||
|
shift 2
|
||||||
|
;;
|
||||||
|
-a | --arch)
|
||||||
|
ARCH="$2"
|
||||||
|
shift 2
|
||||||
|
;;
|
||||||
|
-h | --help)
|
||||||
|
usage
|
||||||
|
exit 0
|
||||||
|
;;
|
||||||
|
|
||||||
|
-b=* | --bin-dir=*)
|
||||||
|
BIN_DIR="${1#*=}"
|
||||||
|
shift 1
|
||||||
|
;;
|
||||||
|
-m=* | --man-dir=*)
|
||||||
|
MAN_DIR="${1#*=}"
|
||||||
|
shift 1
|
||||||
|
;;
|
||||||
|
-a=* | --arch=*)
|
||||||
|
ARCH="${1#*=}"
|
||||||
|
shift 1
|
||||||
|
;;
|
||||||
|
*)
|
||||||
|
err "Unknown option: $1"
|
||||||
|
usage
|
||||||
|
exit 1
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
done
|
||||||
}
|
}
|
||||||
|
|
||||||
# Run a command that should never fail. If the command fails execution
|
# Run a command that should never fail. If the command fails execution
|
||||||
# will immediately terminate with an error showing the failing
|
# will immediately terminate with an error showing the failing
|
||||||
# command.
|
# command.
|
||||||
ensure() {
|
ensure() { if ! "$@"; then abort "command failed: $*"; fi; }
|
||||||
if ! "$@"; then err "command failed: $*"; fi
|
assert_nz() { if [ -z "$1" ]; then abort "found empty string: $2"; fi; }
|
||||||
}
|
log() { printf '%s\n' "$1"; }
|
||||||
|
err() { printf 'Error: %s\n' "$1" >&2; }
|
||||||
assert_nz() {
|
abort() {
|
||||||
if [ -z "$1" ]; then err "found empty string: $2"; fi
|
err "$1"
|
||||||
}
|
exit "${2:-1}"
|
||||||
|
|
||||||
err() {
|
|
||||||
echo "Error: $1" >&2
|
|
||||||
exit 1
|
|
||||||
}
|
}
|
||||||
|
|
||||||
# This is put in braces to ensure that the script does not run until it is
|
# This is put in braces to ensure that the script does not run until it is
|
||||||
# downloaded completely.
|
# downloaded completely.
|
||||||
{
|
{
|
||||||
main "$@" || exit 1
|
main "$@" || exit 1
|
||||||
}
|
}
|
||||||
|
|
|
||||||
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Reference in New Issue