#!/usr/bin/env zsh
set -euo pipefail
# Foundation of this script came from a MacRumors post by bogdanw:
# https://forums.macrumors.com/threads/itunes-software-updates.2416893/page-3?post=33894235#post-33894235
# Download destination.
TARGET_DIR="$HOME/Downloads"
mkdir -p "$TARGET_DIR"
echo "Getting DeveloperSeed catalog URL..."
CATALOG_URL=$(
plutil -p /System/Library/PrivateFrameworks/Seeding.framework/Resources/SeedCatalogs.plist \
| awk -F'"' '/DeveloperSeed/ {print $4; exit}' \
| sed 's/\.gz$//'
)
if [[ -z "${CATALOG_URL:-}" ]]; then
echo "Failed to find DeveloperSeed catalog URL."
exit 1
fi
echo "Catalog URL:"
echo "$CATALOG_URL"
echo
CATALOG_FILE="$(mktemp)"
URLS_FILE="$(mktemp)"
cleanup() {
rm -f "$CATALOG_FILE" "$URLS_FILE"
}
trap cleanup EXIT
if (( EUID == 0 )); then
INSTALLER_CMD=(/usr/sbin/installer)
LAUNCHCTL_CMD=(/bin/launchctl)
else
INSTALLER_CMD=(sudo /usr/sbin/installer)
LAUNCHCTL_CMD=(sudo /bin/launchctl)
fi
echo "Fetching catalog..."
curl -fsSL "$CATALOG_URL" -o "$CATALOG_FILE"
echo "Selecting newest package URLs..."
LATEST_URL=$(
awk '
/<string>.*MobileDeviceOnDemand\.pkg<\/string>/ {
if ($0 !~ /MobileDeviceOnDemand\.(smd|pkm)<\/string>/) {
line = $0
sub(/^.*<string>/, "", line)
sub(/<\/string>.*$/, "", line)
current_url = line
}
}
/<key>PostDate<\/key>/ {
expect_date = 1
next
}
expect_date && /<date>/ {
line = $0
sub(/^.*<date>/, "", line)
sub(/<\/date>.*$/, "", line)
if (current_url != "") {
print line "\t" current_url
current_url = ""
}
expect_date = 0
}
' "$CATALOG_FILE" \
| sort -r \
| awk 'NR == 1 { print $2 }'
)
if [[ -z "${LATEST_URL:-}" ]]; then
echo "No MobileDeviceOnDemand.pkg URL found."
exit 1
fi
{
echo "$LATEST_URL"
echo "${LATEST_URL/MobileDeviceOnDemand.pkg/CoreTypes.pkg}"
} | awk '!seen[$0]++' > "$URLS_FILE"
if [[ ! -s "$URLS_FILE" ]]; then
echo "No package URLs found."
exit 1
fi
echo
echo "URLs to download:"
cat "$URLS_FILE"
echo
echo "Downloading to: $TARGET_DIR"
echo
while IFS= read -r pkg_url; do
[[ -n "$pkg_url" ]] || continue
echo "Downloading URL:"
echo "$pkg_url"
curl -fL --show-error --progress-bar -o "$TARGET_DIR/$(basename "$pkg_url")" "$pkg_url"
echo
done < "$URLS_FILE"
echo "Files saved in: $TARGET_DIR"
echo
install_pkg() {
local pkg_path="$1"
if [[ ! -f "$pkg_path" ]]; then
echo "Missing package: $pkg_path"
exit 1
fi
echo "Installing package:"
echo "$pkg_path"
"${INSTALLER_CMD[@]}" -verboseR -pkg "$pkg_path" -target /
echo
}
restart_mobile_services() {
local usbmux_label="com.apple.usbmuxd"
local usbmux_plist="/System/Library/LaunchDaemons/com.apple.usbmuxd.plist"
local old_pid=""
local new_pid=""
echo "Restarting mobile device services..."
echo
old_pid="$(/usr/bin/pgrep -x usbmuxd | head -n 1 || true)"
# Kill usbmuxd first and let launchd respawn it.
if /usr/bin/pgrep -x usbmuxd >/dev/null 2>&1; then
echo "Stopping usbmuxd with killall..."
if (( EUID == 0 )); then
/usr/bin/killall -TERM usbmuxd >/dev/null 2>&1 || true
else
sudo /usr/bin/killall -TERM usbmuxd >/dev/null 2>&1 || true
fi
sleep 2
fi
new_pid="$(/usr/bin/pgrep -x usbmuxd | head -n 1 || true)"
if [[ -n "$new_pid" ]]; then
if [[ -n "$old_pid" && "$new_pid" != "$old_pid" ]]; then
echo "usbmuxd restarted successfully with new PID: $new_pid"
else
echo "usbmuxd is running with PID: $new_pid"
fi
return 0
fi
echo "Trying launchctl kickstart..."
if "${LAUNCHCTL_CMD[@]}" kickstart "system/$usbmux_label" >/dev/null 2>&1; then
sleep 2
new_pid="$(/usr/bin/pgrep -x usbmuxd | head -n 1 || true)"
if [[ -n "$new_pid" ]]; then
if [[ -n "$old_pid" && "$new_pid" != "$old_pid" ]]; then
echo "usbmuxd restarted via launchctl kickstart with new PID: $new_pid"
else
echo "usbmuxd is running after launchctl kickstart with PID: $new_pid"
fi
return 0
fi
fi
if [[ -e "$usbmux_plist" ]]; then
echo "Trying legacy launchctl unload/load..."
"${LAUNCHCTL_CMD[@]}" unload "$usbmux_plist" >/dev/null 2>&1 || true
sleep 1
"${LAUNCHCTL_CMD[@]}" load "$usbmux_plist" >/dev/null 2>&1 || true
sleep 2
new_pid="$(/usr/bin/pgrep -x usbmuxd | head -n 1 || true)"
if [[ -n "$new_pid" ]]; then
if [[ -n "$old_pid" && "$new_pid" != "$old_pid" ]]; then
echo "usbmuxd restarted via legacy unload/load with new PID: $new_pid"
else
echo "usbmuxd is running after legacy unload/load with PID: $new_pid"
fi
return 0
fi
fi
echo "Could not confirm usbmuxd restarted."
echo "Most reliable fallback: unplug the iPhone, reconnect it, or reboot the Mac."
return 1
}
CORETYPES_PATH="$TARGET_DIR/$(basename "${LATEST_URL/MobileDeviceOnDemand.pkg/CoreTypes.pkg}")"
MOBILEDEVICE_PATH="$TARGET_DIR/$(basename "$LATEST_URL")"
echo "Installing downloaded packages..."
echo
install_pkg "$CORETYPES_PATH"
install_pkg "$MOBILEDEVICE_PATH"
echo "Install completed successfully."
if ! restart_mobile_services; then
echo "Mobile device services restart could not be confirmed."
fi
echo "Done."
