#!/bin/bash
# cupsadmin postinstall (payload-free pkg): the CLI binary and CUPS Admin.app ship in the Scripts
# archive next to this file. Never changes ownership/permissions of an existing /usr/local/bin
# (Homebrew on Intel owns it) or of /Applications (root:admin 775).
set -euo pipefail

TARGET="${3:-/}"
HERE="$(cd "$(dirname "$0")" && pwd)"

# --- CLI -------------------------------------------------------------------------
DEST_DIR="${TARGET%/}/usr/local/bin"
if [ ! -d "$DEST_DIR" ]; then
    mkdir -p -m 755 "$DEST_DIR"
    echo "cupsadmin: created $DEST_DIR"
fi
# -S: copy to a temp file and rename, so a running cupsadmin is never half-written.
install -S -m 755 -o root -g wheel "$HERE/cupsadmin" "$DEST_DIR/cupsadmin"
echo "cupsadmin: installed $DEST_DIR/cupsadmin"

# --- app -------------------------------------------------------------------------
if [ -d "$HERE/CUPS Admin.app" ]; then
    APPS="${TARGET%/}/Applications"
    STAGE="$APPS/.CUPS Admin.app.installing"
    rm -rf "$STAGE"
    ditto "$HERE/CUPS Admin.app" "$STAGE"
    chown -R root:wheel "$STAGE"
    chmod -R go-w "$STAGE"
    # Swap in place so a half-copied bundle is never at the real path.
    rm -rf "$APPS/CUPS Admin.app"
    mv "$STAGE" "$APPS/CUPS Admin.app"
    echo "cupsadmin: installed $APPS/CUPS Admin.app"
fi