# This is the source.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://github.com/opencontainers/runc/archive/refs/tags/v${BPM_PKG_VERSION}.tar.gz"
FILENAME="${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() {
  mkdir -p "$BPM_SOURCE"/src/github.com/opencontainers/runc
  
  wget "$DOWNLOAD"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"/src/github.com/opencontainers/runc
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  cd "$BPM_SOURCE"/src/github.com/opencontainers/runc
  export GOPATH="$BPM_SOURCE"
  make GOFLAGS="-trimpath -mod=readonly -modcacherw" BUILDTAGS="seccomp"
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  cd "$BPM_SOURCE"/src/github.com/opencontainers/runc
  install -Dm755 runc "$BPM_OUTPUT"/usr/bin/runc

  install -Dm644 contrib/completions/bash/runc "$BPM_OUTPUT"/usr/share/bash-completion/completions/runc

  install -Dm644 LICENSE "$BPM_OUTPUT"/usr/share/licenses/runc/LICENSE
}