#!/bin/sh

scl_reggen(){

  # helper function to save some chars

  add2file(){

    if ! [ -f "${2}" ] ; then

      mkdir -p $(dirname "${2}")

      echo "#!/bin/sh" >"${2}"

      chmod a+x "${2}"

    fi

    echo "${1}" >>"${2}"

  }

  package=$1

  [ -z "$package" ] && echo "No package specified." && return 1

  shift

  while [ -n "$1" ] ; do

    action="$1"

    shift

    case "$action" in

      --cpfile )

        file=$1

        shift

        [ -z "$file" ] && echo "No file specified for cpfile." && return 1

        # make dir and cp file

        mkdir -p $(dirname ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.content${file})

        cp ${_SR_BUILDROOT}${file} ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.content${file}

        # add command to script that handles copying file on register

        add2file "cp -n ${_SR_SCL_SCRIPTS}/register.content${file} ${file}" \

                 ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.d/50.${package}.content-create

        # add command to script that handles removing file on deregister

        add2file "rm -f ${file}" ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/deregister.d/50.${package}.content-remove

        ;;

      --selinux )

        dst=$1

        src=$2

        shift 2

        [ -z "$dst" ] && echo "No src or dst specified for selinux." && return 1

        # store rule for setting selinux

        add2file "semanage fcontext -a -e \"$src\" \"$dst\" >/dev/null 2>&1 || :" \

                 ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.d/20.${package}.selinux-set

        # store rule for restoring selinux

        add2file "restorecon -R \"$dst\" >/dev/null 2>&1 || :" \

                 ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.d/80.${package}.selinux-restore

        ;;

      --mkdir )

        dst=$1

        shift

        [ -z "$dst" ] && echo "No dst specified for mkdir." && return 1

        # store command for creating directory

        add2file "mkdir -p ${dst}" ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.d/40.${package}.content-create

        # store command for removing directory if empty, ignore errors

        add2file "rmdir --ignore-fail-on-non-empty -p ${dst}" \

                 ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/deregister.d/60.${package}.content-remove

        ;;

      --touch )

        file=$1

        shift

        [ -z "$file" ] && echo "No file specified for touch." && return 1

        # store command for creating file

        add2file "touch ${file}" ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.d/50.${package}.content-create

        # add command to script that handles removing file on deregister

        add2file "rm -f ${file}" ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/deregister.d/50.${package}.content-remove

        ;;

      --chmod )

        dst=$2

        args=$1

        shift 2

        [ -z "$args" ] && echo "No dst or args specified for chmod." && return 1

        # store command for chmod

        add2file "chmod $args ${dst}" ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.d/60.${package}.attrs

        ;;

      --chown )

        dst=$1

        args=$2

        shift 2

        [ -z "$args" ] && echo "No dst or args specified for chown." && return 1

        # store command for chown

        add2file "chown $args ${dst}" ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.d/60.${package}.attrs

        ;;

      --runafterregister )

        cmd=$1

        shift

        [ -z "$cmd" ] && echo "No cmd specified for run." && return 1

        # store command for running after

        add2file "$cmd" ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/register.d/90.${package}.run

        ;;

      --runafterderegister )

        cmd=$1

        shift

        [ -z "$cmd" ] && echo "No cmd specified for run." && return 1

        # store command for running after

        add2file "$cmd" ${_SR_BUILDROOT}${_SR_SCL_SCRIPTS}/deregister.d/90.${package}.run

        ;;

      *)

        echo "Wrong action $*"

        return 1

        ;;

    esac

  done

}