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Hillbillyer
174
mac-update.sh
Executable file
174
mac-update.sh
Executable file
@@ -0,0 +1,174 @@
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#!/bin/zsh
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# Interactive arrow-key menu for choosing a macOS full installer version.
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# Works on Apple Silicon & Intel, no extra deps.
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set -euo pipefail
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export LC_ALL=C
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# --- normalize versions into X.Y.Z ---
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normalize_ver() {
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local v="${1//[^0-9.]/}" # strip non-numeric/dots
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local -a p
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p=(${(s/./)v})
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printf "%d.%d.%d" "${p[1]:-0}" "${p[2]:-0}" "${p[3]:-0}"
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}
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# --- compare versions: returns 1 if v1>v2, 0 if equal, -1 if v1<v2 ---
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version_cmp() {
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local v1="$(normalize_ver "$1")"
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local v2="$(normalize_ver "$2")"
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local -a A B
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A=(${(s/./)v1}); B=(${(s/./)v2})
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for i in 1 2 3; do
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(( ${A[i]} > ${B[i]} )) && { echo 1; return; }
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(( ${A[i]} < ${B[i]} )) && { echo -1; return; }
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done
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echo 0
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}
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version_ge() { [[ "$(version_cmp "$1" "$2")" != "-1" ]]; }
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version_gt() { [[ "$(version_cmp "$1" "$2")" == "1" ]]; }
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# --- current version ---
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current_version_raw=$(sw_vers -productVersion)
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current_version=$(normalize_ver "$current_version_raw")
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autoload -Uz colors && colors
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hide_cursor() { printf '\e[?25l'; }
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show_cursor() { printf '\e[?25h'; }
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clear_screen() { printf '\e[2J\e[H'; }
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cleanup() { stty "$_STTY_ORIG" 2>/dev/null || true; show_cursor; printf '\e[0m'; }
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trap cleanup EXIT INT TERM
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if [[ -t 0 && -t 1 ]]; then
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_STTY_ORIG=$(stty -g)
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stty -echo -icanon min 1 time 0
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fi
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# --- fetch list ---
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raw=$(/usr/sbin/softwareupdate --list-full-installers 2>/dev/null)
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lines=("${(@f)$(printf "%s\n" "$raw" | grep -E '^\* Title: ')}")
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(( ${#lines[@]} == 0 )) && { echo "No installers found."; exit 1; }
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parsed=$(
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printf "%s\n" "${lines[@]}" | /usr/bin/awk '
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/^\* Title:/ {
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version=""; title=""; build=""; size="";
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if (match($0, /^\* Title: [^,]*/)) { title = substr($0, RSTART+9, RLENGTH-9) }
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if (match($0, /Version: [0-9][0-9.]*/)) { version = substr($0, RSTART+9, RLENGTH-9) }
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if (match($0, /Build: [^,]*/)) { build = substr($0, RSTART+7, RLENGTH-7) }
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if (match($0, /Size: [0-9]+KiB/)) { size = substr($0, RSTART+6, RLENGTH-6) }
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printf("%s\t%s\t%s\t%s\n", version, title, build, size);
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}'
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)
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typeset -a versions versions_norm titles builds sizes
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for row in "${(@f)parsed}"; do
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IFS=$'\t' read -r v t b s <<< "$row"
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[[ -n "$v" ]] || continue
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if ! version_ge "$v" "$current_version"; then
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continue
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fi
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versions+=("$v")
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versions_norm+=("$(normalize_ver "$v")")
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titles+=("$t")
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builds+=("$b")
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sizes+=("$s")
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done
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(( ${#versions[@]} == 0 )) && { echo "No newer/equal versions found."; exit 1; }
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human_gib() {
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local in="$1" n
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[[ "$in" == *KiB ]] && n="${in%KiB}" || n="$in"
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[[ "$n" == <-> ]] || { printf "%s" "$in"; return; }
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/usr/bin/awk -v kib="$n" 'BEGIN { printf("%.2f GiB", kib/1048576) }'
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}
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# --- UI state ---
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pos=1; count=${#versions[@]}
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: ${LINES:=24}; : ${COLUMNS:=80}
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min_visible=5; visible=$(( LINES - 6 ))
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(( visible < min_visible )) && visible=$min_visible
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(( visible > count )) && visible=$count
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start=1
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make_divider() {
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# nice clean ASCII divider
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printf '%*s' "$COLUMNS" '' | tr ' ' '-'
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}
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draw() {
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clear_screen
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local divider="$(make_divider)"
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print -P "%F{yellow} Current macOS: ${current_version_raw} | Select macOS version | ↑/↓ move | Enter select | q quit %f"
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print -r -- "$divider"
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(( pos < start )) && start=$pos
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(( pos >= start + visible )) && start=$(( pos - visible + 1 ))
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(( start < 1 )) && start=1
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local end=$(( start + visible - 1 ))
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(( end > count )) && end=$count
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for ((i=start; i<=end; i++)); do
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if (( i == pos )); then
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printf "\e[7m➤ %-*s\e[0m\n" $((COLUMNS-4)) "${versions[i]}"
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else
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printf " %-*s\n" $((COLUMNS-4)) "${versions[i]}"
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fi
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done
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print -r -- "$divider"
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local sg=$(human_gib "${sizes[pos]}")
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print -P "%F{yellow}Version:%f ${versions[pos]} %F{yellow}Title:%f ${titles[pos]} %F{yellow}Build:%f ${builds[pos]} %F{yellow}Size:%f ${sg}"
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}
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hide_cursor
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while true; do
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draw
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read -k 1 key || key=""
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case "$key" in
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$'\n'|$'\r') break ;;
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q|Q) cleanup; echo "No selection."; exit 2 ;;
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k) (( pos > 1 )) && (( pos-- )) ;;
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j) (( pos < count )) && (( pos++ )) ;;
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$'\e')
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read -k 1 -t 0.05 key2 || key2=""
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if [[ "$key2" == "[" ]]; then
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read -k 1 -t 0.05 key3 || key3=""
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case "$key3" in
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A) (( pos > 1 )) && (( pos-- )) ;;
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B) (( pos < count )) && (( pos++ )) ;;
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H) pos=1 ;;
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F) pos=$count ;;
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esac
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fi
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;;
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esac
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done
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show_cursor
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selected_version="${versions[pos]}"
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selected_version_norm="${versions_norm[pos]}"
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echo "$selected_version"
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# Final sanity check
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if ! version_ge "$selected_version" "$current_version"; then
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print -P "%F{red}Selected version ($selected_version) is older than current ($current_version_raw). Aborting.%f"
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exit 3
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fi
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# Major vs minor
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selected_major="${${(s/./)selected_version_norm}[1]}"
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current_major="${${(s/./)current_version}[1]}"
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if [[ "$selected_major" == "$current_major" ]]; then
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print -P "%F{green}Minor update to $selected_version...%f"
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sudo softwareupdate --install --all --force --restart
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else
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print -P "%F{cyan}Major upgrade to $selected_version...%f"
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sudo softwareupdate --fetch-full-installer --full-installer-version "$selected_version"
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current_user=$(stat -f%Su /dev/console)
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sudo /Applications/Install\ macOS\ *.app/Contents/Resources/startosinstall --agreetolicense --nointeraction --rebootdelay 10 --forcequitapps --user "$current_user" --passprompt
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fi
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