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270 lines
7.5 KiB
Plaintext
270 lines
7.5 KiB
Plaintext
5 years ago
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#!/bin/sh
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#
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# This script does not have a stable API.
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_gitstatus_install_main() {
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if [ -n "${ZSH_VERSION:-}" ]; then
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emulate -L sh -o no_unset
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else
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set -u
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fi
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local argv1=$1
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shift
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local no_check= no_install= uname_s= uname_m= gitstatus_dir=
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local opt= OPTARG= OPTIND=1
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while getopts ':s:m:d:fnh' opt "$@"; do
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case "$opt" in
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h)
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command cat <<\END
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Usage: install [-s KERNEL] [-m ARCH] [-d DIR] [-f|-n] [-- CMD [ARG]...]
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If positional arguments are specified, call this on success:
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CMD [ARG]... DAEMON VERSION INSTALLED
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DAEMON is path to gitstatusd. VERSION is a glob pattern for the
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version this daemon should support; it's supposed to be passed as
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-G to gitstatusd. INSTALLED is 1 if gitstatusd has just been
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downloaded and 0 otherwise.
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Options:
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-s KERNEL use this instead of lowercase `uname -s`
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-m ARCH use this instead of lowercase `uname -m`
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-d DIR use this instead of `dirname "$0"`
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-f download gitstatusd even if there is one locally
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-n do not download gitstatusd (fail instead)
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END
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return
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;;
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n)
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if [ -n "$no_install" ]; then
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>&2 echo "[gitstatus] error: duplicate option: -$opt"
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return 1
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fi
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no_install=1
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;;
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f)
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if [ -n "$no_check" ]; then
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>&2 echo "[gitstatus] error: duplicate option: -$opt"
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return 1
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fi
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no_check=1
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;;
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d)
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if [ -n "$gitstatus_dir" ]; then
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>&2 echo "[gitstatus] error: duplicate option: -$opt"
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return 1
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fi
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if [ -z "$OPTARG" ]; then
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>&2 echo "[error] incorrect value of -$opt: $OPTARG"
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return 1
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fi
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gitstatus_dir="$OPTARG"
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;;
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m)
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if [ -n "$uname_m" ]; then
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>&2 echo "[gitstatus] error: duplicate option: -$opt"
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return 1
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fi
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if [ -z "$OPTARG" ]; then
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>&2 echo "[error] incorrect value of -$opt: $OPTARG"
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return 1
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fi
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uname_m="$OPTARG"
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;;
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s)
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if [ -n "$uname_s" ]; then
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>&2 echo "[gitstatus] error: duplicate option: -$opt"
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return 1
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fi
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if [ -z "$OPTARG" ]; then
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>&2 echo "[error] incorrect value of -$opt: $OPTARG"
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return 1
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fi
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uname_s="$OPTARG"
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;;
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\?) >&2 echo "[gitstatus] error: invalid option: -$OPTARG" ; return 1;;
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:) >&2 echo "[gitstatus] error: missing required argument: -$OPTARG"; return 1;;
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*) >&2 echo "[gitstatus] internal error: unhandled option: -$opt" ; return 1;;
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esac
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done
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shift "$((OPTIND - 1))"
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: "${gitstatus_dir:=$argv1}"
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if [ -n "$no_check" -a -n "$no_install" ]; then
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>&2 echo "[gitstatus] error: incompatible options: -f, -n"
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return 1
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fi
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if [ -z "$uname_s" ]; then
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uname_s="$(command uname -s)" || return
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uname_s="$(printf '%s' "$uname_s" | command tr '[A-Z]' '[a-z]')" || return
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fi
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if [ -z "$uname_m" ]; then
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5 years ago
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uname_m="$(command uname -m)" || return
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5 years ago
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uname_m="$(printf '%s' "$uname_m" | command tr '[A-Z]' '[a-z]')" || return
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fi
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local daemon="${GITSTATUS_DAEMON:-}"
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local cache_dir="${GITSTATUS_CACHE_DIR:-${XDG_CACHE_HOME:-$HOME/.cache}/gitstatus}"
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if [ -z "$no_check" ]; then
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if [ -n "${daemon##/*}" ]; then
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>&2 echo "[gitstatus] error: GITSTATUS_DAEMON is not absolute path: $daemon"
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return 1
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fi
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if [ -z "$daemon" ]; then
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daemon="$gitstatus_dir"/usrbin/gitstatusd
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if [ ! -e "$daemon" ]; then
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daemon="$daemon"-"$uname_s"-"$uname_m"
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if [ ! -e "$daemon" ]; then
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daemon=
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fi
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fi
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fi
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if [ -n "$daemon" ]; then
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local gitstatus_version= libgit2_version=
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if ! . "$gitstatus_dir"/build.info; then
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>&2 echo "[gitstatus] internal error: failed to source build.info"
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return 1
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fi
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if [ -z "$gitstatus_version" ]; then
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>&2 echo "[gitstatus] internal error: empty gitstatus_version in build.info"
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return 1
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fi
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[ $# = 0 ] || "$@" "$daemon" "$gitstatus_version" 0
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return
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fi
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fi
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while IFS= read -r line; do
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line="${line###*}"
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[ -n "$line" ] || continue
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local uname_s_glob= uname_m_glob= file= version=
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eval "$line" || return
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if [ -z "$uname_s_glob" -o -z "$uname_m_glob" -o -z "$file" -o -z "$version" ]; then
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>&2 echo "[gitstatus] internal error: invalid install.info line: $line"
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return 1
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fi
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case "$uname_s" in
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$uname_s_glob) ;;
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*) continue;;
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esac
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case "$uname_m" in
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$uname_m_glob) ;;
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*) continue;;
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esac
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# Found a match. The while loop will terminate during this iteration.
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if [ -z "$no_check" ]; then
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# Check if a suitable gitstatusd already exists.
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local daemon="$cache_dir"/"$file"
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if [ -e "$daemon" ]; then
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[ $# = 0 ] || "$@" "$daemon" "$version" 0
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return
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fi
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daemon="$daemon"-"$uname_s"-"$uname_m"
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if [ -e "$daemon" ]; then
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local gitstatus_version= libgit2_version=
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if ! . "$gitstatus_dir"/build.info; then
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>&2 echo "[gitstatus] internal error: failed to source build.info"
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return 1
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fi
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if [ -z "$gitstatus_version" ]; then
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>&2 echo "[gitstatus] internal error: empty gitstatus_version in build.info"
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return 1
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fi
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[ $# = 0 ] || "$@" "$daemon" "$gitstatus_version" 0
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return
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fi
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fi
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# No suitable gitstatusd exists. Need to download.
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if [ -n "$no_install" ]; then
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>&2 echo "[gitstatus] error: no gitstatusd found and installation is disabled"
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return 1
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fi
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local daemon="$cache_dir"/"$file"
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if [ -n "${cache_dir##/*}" ]; then
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>&2 echo "[gitstatus] error: GITSTATUS_CACHE_DIR is not absolute: $cache_dir"
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return 1
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fi
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[ -d "$cache_dir" ] || mkdir -p -- "$cache_dir" || return
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local url="https://github.com/romkatv/gitstatus/releases/download/$version/$file.tar.gz"
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local archive="$cache_dir"/"$file".tmp.$$.tar.gz
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if command -v curl >/dev/null 2>&1; then
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if ! err="$(command curl -fsSLo "$archive" -- "$url" 2>&1)"; then
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>&2 echo "[gitstatus] error: failed to download gitstatusd: $url"
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>&2 printf "%s" "$err"
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return 1
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fi
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elif command -v wget >/dev/null 2>&1; then
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if ! err="$(command wget -O "$archive" -- "$url" 2>&1)"; then
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>&2 echo "[gitstatus] error: failed to download gitstatusd: $url"
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>&2 printf "%s" "$err"
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return 1
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fi
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else
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>&2 echo "[gitstatus] error: please install curl or wget"
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return 1
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fi
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(
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if [ -n "${ZSH_VERSION:-}" ]; then
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builtin cd -q -- "$cache_dir" || return
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else
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cd -- "$cache_dir" || return
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fi
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local old=
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if [ -e "$daemon" ]; then
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local i=1
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while :; do
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old="$daemon"."$i"
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[ -e "$old" ] || break
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i="$((i+1))"
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done
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command mv -f -- "$daemon" "$old" || return
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fi
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command tar -xzf "$archive"
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local ret=$?
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command rm -f -- "$archive"
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if [ -n "$old" ]; then
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if [ "$ret" = 0 ]; then
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command rm -f -- "$old" 2>/dev/null
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else
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command mv -f -- "$old" "$daemon"
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fi
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fi
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exit "$ret"
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) || return
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[ $# = 0 ] || "$@" "$daemon" "$version" 1
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return
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done <"$gitstatus_dir"/install.info
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>&2 echo "[gitstatus] error: no gitstatusd found for $uname_s $uname_m"
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return 1
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}
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if [ -z "${0##*/*}" ]; then
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_gitstatus_install_main "${0%/*}" "$@"
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else
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_gitstatus_install_main . "$@"
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fi
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