#!/bin/bash
set -euo pipefail

BRUSH_BINARY="${SRCDIR}/brush-target/${BRUSH_PROFILE}/brush"

if [[ ! -f "${BRUSH_BINARY}" ]]; then
    echo "error: brush binary not found at: ${BRUSH_BINARY}" >&2
    echo "hint: run 'cargo build --${BRUSH_PROFILE}' first, or override with:" >&2
    echo "  mkosi --environment=BRUSH_PROFILE=debug build" >&2
    exit 1
fi

# Install the pre-built brush binary
install -Dm755 "${BRUSH_BINARY}" "${BUILDROOT}/usr/bin/brush"

# Register brush as a valid login shell
grep -qxF /usr/bin/brush "${BUILDROOT}/etc/shells" 2>/dev/null \
    || echo /usr/bin/brush >> "${BUILDROOT}/etc/shells"

# Make brush available as /bin/sh and as /bin/bash
ln -sf brush "${BUILDROOT}/usr/bin/sh"
ln -sf brush "${BUILDROOT}/usr/bin/bash"