# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

DOWNLOAD="https://busybox.net/downloads/busybox-${BPM_PKG_VERSION}.tar.bz2"
FILENAME="${DOWNLOAD##*/}"

# The prepare function is executed in the root of the temp directory
# This function is used for downloading files and putting them into the correct location
prepare() {
  wget "$DOWNLOAD"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  make defconfig

  # Disable CONFIG_TC which causes errors in linux kernels versions >= 6.8
  sed -i 's/CONFIG_TC=y/CONFIG_TC=no/g' .config
  
  make
}

# The check function is executed in the source directory
# This function is used to run tests to verify the package has been compiled correctly
check() {
  # Check requires POSIX-compliant shell
  SHELL=/bin/sh make check SKIP_KNOWN_BUGS=yes SKIP_INTERNET_TESTS=yes
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  install -Dm644 busybox "$BPM_OUTPUT"/usr/bin/busybox
  chmod +x "$BPM_OUTPUT"/usr/bin/busybox

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/busybox/LICENSE
}