diff options
Diffstat (limited to 'subr/build.subr')
-rw-r--r-- | subr/build.subr | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/subr/build.subr b/subr/build.subr new file mode 100644 index 00000000..a1009c2b --- /dev/null +++ b/subr/build.subr @@ -0,0 +1,252 @@ +# +# . ./build.vars and set -o errexit -o noglob are assumed. +# See warning at the top of build.vars. +# + +date() { command date +"${1:-${TIMESTAMP_FMT}}"; }; +get_var_unsafe() { eval echo \${${1}}; }; +set_var_unsafe() { eval ${1}=\"${2}\"; }; +push_IFS() { _pI_IFS="${IFS}"; IFS="${1}"; }; +pop_IFS() { IFS="${_pI_IFS}"; unset _pI_IFS; }; +set_build_dir() { PKG_BUILD_DIR=${1}-${2}-${PKG_TARGET}; }; +split() { push_IFS "${1}"; set -- ${2}; pop_IFS; echo "${*}"; }; +test_cmd() { command -v "${1}" >/dev/null; }; +unsplit() { push_IFS "${1}"; shift; set -- "${@}"; echo "${*}"; pop_IFS; }; + +get_vars_unsafe() { + while [ ${#} -gt 0 ]; do + _gvu_vval="$(eval echo \${${1}})"; + [ -z "${_gvu_vval}" ] || _gvu_vval_="${_gvu_vval}"; + shift; + done; echo "${_gvu_vval_}"; + unset _gvu_vval _gvu_vval_; +}; + +set_env_vars_with_sep() { + _sevws_sep=${1}; shift; push_IFS ${_sevws_sep}; set -- ${1}; + while [ ${#} -gt 0 ]; do + export "${1}"; shift; + done; unset _sevws_sep; pop_IFS; +}; + +log_msg() { + _lm_lvl=${1}; shift; + if [ "${_lm_lvl#v}" != "${_lm_lvl}" ]\ + && [ ${ARG_VERBOSE:-0} -eq 0 ]; then + return; + fi; + case ${_lm_lvl} in + failexit) printf "\033[0m\033[${LOG_MSG_FAIL_COLOUR}m"; ;; + fail) printf "\033[0m\033[${LOG_MSG_FAIL_COLOUR}m"; ;; + info) printf "\033[0m\033[${LOG_MSG_INFO_COLOUR}m"; ;; + vnfo) printf "\033[0m\033[${LOG_MSG_INFO_COLOUR}m"; ;; + succ) printf "\033[0m\033[${LOG_MSG_SUCC_COLOUR}m"; ;; + warn) printf "\033[0m\033[${LOG_MSG_WARN_COLOUR}m"; ;; + varn) printf "\033[0m\033[${LOG_MSG_WARN_COLOUR}m"; ;; + esac; + if [ $# -gt 1 ]; then + printf "==> %s %s %s\033[0m\n" "$(date "${TIMESTAMP_FMT}")" "${1}" "$*"; + else + printf "==> %s %s\033[0m\n" "$(date "${TIMESTAMP_FMT}")" "${1}"; + fi; [ ${_lm_lvl} = failexit ] && exit 1 || unset _lm_lvl; +}; + +install_files() { + if [ "${1}" = "-v" ]; then + _if_verbose="${1}"; shift; + fi; _if_prefix="${1}"; shift; + while [ ${#} -gt 0 ]; do + case "${1}" in + @*=*) + __ln_target="${1%=*}"; + __ln_target="${__ln_target#@}"; + __ln_fname="${1#*=}"; + if [ -e ${__ln_fname} ]; then + if [ ${_if_verbose:-0} -eq 1 ]; then + echo build_fileop rm ${__ln_fname}; + fi; + build_fileop rm ${__ln_fname}; + fi; + build_fileop ln_symbolic ${__ln_target} ${_if_prefix:+${_if_prefix}/}${__ln_fname}; + ;; + /=*) + __mkdir_fname="${1#/=}"; + build_fileop mkdir ${_if_prefix:+${_if_prefix}/}${__mkdir_fname}; + ;; + *) + __file_fname_src="${1%=*}"; + __file_fname_dst="${1#*=}"; + build_fileop cp ${__file_fname_src} ${_if_prefix:+${_if_prefix}/}${__file_fname_dst}; + ;; + esac; shift; + done; unset _if_verbose _if_prefix; +}; + +match_list() { + _ml_cmp="${3}"; push_IFS "${2}"; set -- ${1}; pop_IFS; + while [ ${#} -gt 0 ]; do + if [ "${1}" = "${_ml_cmp}" ]; then + unset _ml_cmp; return 0; + fi; shift; + done; unset _ml_cmp; return 1; +}; + +build_fileop() { + _bf_op=${1}; shift; + if [ "${_bf_op}" = cd ]; then + log_msg varn "Changing working directory to \`${1}'."; + [ \( -n "${1}" \) -a \( -e "${1}" \) ] && cd -- ${1}; + elif [ "${_bf_op}" = cp ]; then + log_msg varn "Copying \`${1}' to \`${2}' w/ -pPR."; + [ ${#} -ge 2 ] && cp -pPR -- "${@}"; + elif [ "${_bf_op}" = ln_symbolic ]; then + log_msg varn "Linking \`${1}' to \`${2}' w/ -fs"; + [ \( -n "${1}" \) -a \( -n "${2}" \) ] && ln -fs -- ${1} ${2}; + elif [ "${_bf_op}" = mkdir ]\ + || [ "${_bf_op}" = rm ]; then + while [ ${#} -gt 0 ]; do + if [ -z "${1}" ]; then + return 1; + elif [ "${_bf_op}" = mkdir ]\ + && [ ! -e "${1}" ]; then + log_msg varn "Making directory \`${1}'."; + mkdir -p -- "${1}"; + elif [ "${_bf_op}" = rm ]\ + && [ -e "${1}" ]; then + log_msg varn "Removing directory or file \`${1}'."; + rm -rf -- "${1}"; + fi; shift; + done; + else + log_msg failexit "Error: build_fileop() called w/ invalid parameter(s) \`${@}'."; + fi; +}; + +is_build_script_done() { + if [ "${1}" = "clean" ]\ + || [ "${1}" = distclean ]; then + if match_list "${ARG_RESTART}" , ${BUILD_PACKAGE_LC} \ + && [ -n "${ARG_RESTART_AT}" ] \ + && match_list "${ARG_RESTART_AT}" , "${1}"; then + return 1; # Build + else + return 0; # Skip + fi; + elif [ "${ARG_RESTART}" = "ALL" ]; then + return 1; # Build + elif match_list "${ARG_RESTART}" , ${BUILD_PACKAGE_LC}; then + if [ -n "${ARG_RESTART_AT}" ]; then + if [ "${ARG_RESTART_AT}" = "ALL" ]; then + return 1; # Build + elif match_list "${ARG_RESTART_AT}" , "${1}"; then + return 1; # Build + else + return 0; # Skip + fi; + else + return 1; # Build + fi; + elif [ -f ${WORKDIR}/.${2:-${BUILD_PACKAGE_LC}}.${1} ]; then + return 0; # Skip + else + return 1; # Build + fi; +}; + +set_build_script_done() { + _sbsd_script_fname=${BUILD_PACKAGE_LC}; + _sbsd_done_fname=${WORKDIR}/.${_sbsd_script_fname}; + while [ $# -ge 1 ]; do + if [ "${1#-}" != "${1}" ]; then + build_fileop rm ${_sbsd_done_fname}.${1#-}; + else + touch ${_sbsd_done_fname}.${1}; + log_msg info "Finished build step ${1} of \`${_sbsd_script_fname}'."; + fi; shift; + done; unset _sbsd_script_fname _sbsd_done_fname; +}; + +log_env_vars() { + log_msg info "Variables for this ${1:-build}:"; shift; + while [ ${_lev_nvar:=0} -lt ${#} ]; do + _lev_arg="$(eval echo \${${_lev_nvar}})"; + _lev_arg="${_lev_arg%%=*}"; + if [ ${#_lev_arg} -gt ${_lev_arg_len_max:=0} ]; then + _lev_arg_len_max=${#_lev_arg}; + fi; : $((_lev_nvar+=1)); + done; unset _lev_nvar _lev_arg; + while [ ${#} -gt 0 ]; do + log_msg info "$(printf \ + "%${_lev_arg_len_max}.${_lev_arg_len_max}s=%s" \ + "${1%%=*}" "$(get_var_unsafe ${1#*=})")"; + shift; + done; unset _lev_arg_len_max; +}; + +parse_with_pkg_name() { + PKG_NAME=${1}; shift; PKG_TARGET=${TARGET}; + MIDIPIX_BUILD_PWD=$(pwd); build_fileop cd ${WORKDIR}; + for __ in vars/${PKG_NAME}.vars; do + [ -e ${MIDIPIX_BUILD_PWD}/${__} ] && . ${MIDIPIX_BUILD_PWD}/${__}; + done; + _pwpn_pkg_name_uc=$(echo ${PKG_NAME} | tr a-z A-Z); + if [ -z "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_URL)" ]\ + && [ -z "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_URLS_GIT)" ]\ + && [ -z "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_VERSION)" ]; then + unset _pwpn_pkg_name_uc; + log_msg failexit "Error: package \`${PKG_NAME}' missing in build.vars."; + else + for _pwpn_vname in ${PKG_BUILD_VARS}; do + if [ -n "$(get_var_unsafe DEFAULT_${_pwpn_vname})" ]; then + set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe DEFAULT_${_pwpn_vname})"; + fi; + if [ -n "$(get_var_unsafe ${BUILD_TARGET}_${_pwpn_vname})" ]; then + set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe ${BUILD_TARGET}_${_pwpn_vname})"; + fi; + if [ "${BUILD}" = "debug" ] \ + && [ -n "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname}_DEBUG)" ]; then + set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname}_DEBUG)"; + elif [ "${BUILD}" = "release" ] \ + && [ -n "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname}_RELEASE)" ]; then + set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname}_RELEASE)"; + elif [ -n "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname})" ]; then + set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname})"; + fi; + done; unset _pwpn_vname; + fi; + [ -z "${PKG_FNAME}" ] && PKG_FNAME=${PKG_URL##*/}; + [ -z "${PKG_SUBDIR}" ] && PKG_SUBDIR=${PKG_FNAME%%.tar*}; + [ -n "${PKG_ENV_VARS_EXTRA}" ] && set_env_vars_with_sep : "${PKG_ENV_VARS_EXTRA}"; + for _pwpn_env_var in $(set); do + if [ "${_pwpn_env_var#PKG_${_pwpn_pkg_name_uc}}" != "${_pwpn_env_var}" ]; then + _pwpn_env_vars="${_pwpn_env_vars:+${_pwpn_env_vars} }${_pwpn_env_var%%=*}"; + fi; + done; + if [ -n "${_pwpn_env_vars}" ]; then + log_env_vars "build" ${_pwpn_env_vars}; + fi; unset _pwpn_pkg_name_uc _pwpn_env_var _pwpn_env_vars; +}; + +run_cmd_unsplit() { + _rcu_cmd=${1}; shift; + while [ ${#} -gt 0 ]; do + [ -n "${1}" ] &&\ + _rcu_cmdline="${_rcu_cmdline:+${_rcu_cmdline}:}${1}"; + shift; + done; + push_IFS :; ${_rcu_cmd} ${_rcu_cmdline}; _rcu_rc=$?; pop_IFS; + unset _rcu_cmd _rcu_cmdline; return ${_rcu_rc}; +}; + +subst_tgts() { + while [ ${#} -ge 1 ]; do + case "${1}" in + devroot) + echo ${DEVROOT_PACKAGES}; ;; + world) echo ${WORLD_PACKAGES}; ;; + *) echo ${1}; ;; + esac; shift; + done; +}; + +# vim:filetype=sh |