diff options
| -rw-r--r-- | subr.rtl/rtl.subr | 1 | ||||
| -rw-r--r-- | subr.rtl/rtl_complex.subr | 203 | ||||
| -rw-r--r-- | subr.rtl/rtl_fetch.subr | 90 | ||||
| -rw-r--r-- | subr.rtl/rtl_fetch_git.subr | 95 | ||||
| -rw-r--r-- | subr.rtl/rtl_filepath.subr | 96 | ||||
| -rw-r--r-- | subr.rtl/rtl_platform.subr | 124 |
6 files changed, 315 insertions, 294 deletions
diff --git a/subr.rtl/rtl.subr b/subr.rtl/rtl.subr index b123555f..532cb514 100644 --- a/subr.rtl/rtl.subr +++ b/subr.rtl/rtl.subr @@ -2,7 +2,6 @@ # set +o errexit -o noglob -o nounset is assumed. # -rtl_basename() { local _fname="${1##*/}"; printf "%s" "${_fname}"; }; rtl_date() { command date "+${1:-${DEFAULT_TIMESTAMP_FMT:-"%Y/%m/%d %H:%M:%S"}}"; }; rtl_set_IFS_nl() { IFS=" "; }; diff --git a/subr.rtl/rtl_complex.subr b/subr.rtl/rtl_complex.subr index 34b87837..8866484f 100644 --- a/subr.rtl/rtl_complex.subr +++ b/subr.rtl/rtl_complex.subr @@ -2,88 +2,6 @@ # set +o errexit -o noglob -o nounset is assumed. # -rtl_check_digest() { - local _fname="${1}" _digest_check="${2}" _digest=""; RTL_CHECK_DIGEST_DIGEST=""; - if ! [ -e "${_fname}" ]; then - return 1; - else set -- $(sha256sum "${_fname}"); - RTL_CHECK_DIGEST_DIGEST="${1}"; - if [ "${RTL_CHECK_DIGEST_DIGEST}" = "${_digest_check}" ]; then - return 0; - else - return 1; - fi; - fi; -}; - -rtl_check_digest_file() { - local _fname="${1}" _digest_check="${2}" _digest_fname="${3}" _digest="" RTL_CHECK_DIGEST_DIGEST=""; - if ! [ -e "${_digest_fname}" ]; then - return 1; - else _digest="$(cat "${_digest_fname}")"; - if [ "${_digest}" != "${_digest_check}" ]\ - || ! rtl_check_digest "${_fname}" "${_digest_check}"; then - return 1; - fi; - fi; -}; - -rtl_check_path_vars() { - local _vnames="${1}" _rc=0 _vname="" _vname_val=""; _status=""; - for _vname in ${_vnames}; do - _vname_val="$(rtl_get_var_unsafe "${_vname}")"; - if [ -z "${_vname_val}" ]; then - _rc=1; _status="Error: variable \`${_vname}' is empty or unset."; break; - elif [ "${_vname_val#* *}" != "${_vname_val}" ]; then - _rc=2; _status="Error: variable \`${_vname}' contains one or more whitespace characters."; break; - fi; - done; - return "${_rc}"; -}; - -rtl_check_prereqs() { - local _cmd="" _cmds_missing="" _rc=0; _status=""; - for _cmd in "${@}"; do - if ! which "${_cmd}" >/dev/null 2>&1; then - _cmds_missing="${_cmds_missing:+${_cmds_missing} }${_cmd}"; - fi; - done; - if [ -n "${_cmds_missing}" ]; then - _rc=1; _status="Error: missing prerequisite package(s): ${_cmds_missing}"; - fi; - return "${_rc}"; -}; - -rtl_clean_env() { - local _env_vars_except="${1}" _env_var="" _env_vars=""; - _env_vars="$(export | sed -ne '/^export/{s/^export //;s/=.*$//p}')"; - for _env_var in ${_env_vars}; do - if [ "${_env_var#DEFAULT_}" != "${_env_var}" ]\ - || [ "${_env_var#PKG_}" != "${_env_var}" ]; then - _env_vars_except="$(rtl_lconcat "${_env_vars_except}" "${_env_var}")"; - fi; - done; - rtl_unset_vars $(rtl_lfilter "${_env_vars}" "${_env_vars_except}"); -}; - -rtl_dirname() { - local _dname="${1%/*}"; - while rtl_matchr "${_dname}" "*/"; do - _dname="${_dname%/}"; - done; printf "%s" "${_dname:-/}"; -}; - -rtl_exists_any() { - local _subdir="${1}"; shift; - while [ "${#}" -gt 0 ]; do - if [ -e "${_subdir}/${1}" ]; then - return 0; - else - shift; - fi; - done; return 1; -}; - rtl_export_vars() { local _unsetfl=0; [ "x${1}" = "x-u" ] && { _unsetfl=1; shift; }; while [ "${#}" -ge 2 ]; do @@ -135,49 +53,6 @@ rtl_filter_vars() { printf "%s" "${_vars}"; }; -rtl_flock_acquire() { - local _fd="${1}" _conflict_exit_code="${2:-253}" _wait="${3:-3600}" - while true; do - if flock -E "${_conflict_exit_code}" -w "${_wait}" "${_fd}"; then - break; - elif [ "${?}" -eq "${_conflict_exit_code}" ]; then - continue; - else - return "${?}"; - fi; - done; -}; - -rtl_get_cpu_count() { - local _line="" _ncpus=0 _rc=0 _sname="$(uname -s 2>/dev/null)"; _status=""; - case "${_sname}" in - Linux) if [ ! -e "/proc/cpuinfo" ]; then - _rc=1; _status="Error: /proc/cpuinfo non-existent."; - else while read -r _line; do - if rtl_match "${_line}" "processor*:"; then - : $((_ncpus+=1)); - fi; - done < /proc/cpuinfo; printf "%s" "${_ncpus}"; - fi; ;; - *) _rc=1; _status="Error: unknown platform \`${_sname}'."; ;; - esac; return "${_rc}"; -}; - -rtl_get_var_unsafe() { - local _vname=""; - if [ "x${1}" = "x-u" ]; then - shift; _vname="$(rtl_toupper "${1}")"; - else - _vname="${1}"; - fi; - eval echo \${${_vname}} 2>/dev/null; -}; - -rtl_get_vars_fast() { - local _pattern="${1}"; - set | awk -F= '/'"${_pattern}"'/{print $1}' | sort; -}; - rtl_head() { local _pattern="${1}" _s="${2}"; while true; do @@ -190,34 +65,6 @@ rtl_head() { printf "%s" "${_s}"; }; -rtl_is_newer() { - local _new_fname="${1}" _old_fname="${2}" _new_ts="" _old_ts=""; - if ! [ -e "${_old_fname}" ]; then - return 0; - else _new_ts="$(stat -c %Y "${_new_fname}" 2>&1)"; - _old_ts="$(stat -c %Y "${_old_fname}" 2>&1)"; - if [ "${_new_ts:-0}" -gt "${_old_ts:-0}" ]; then - return 0; - else - return 1; - fi; - fi; -}; - -rtl_kill_tree() { - local _pid="${1}" _signal="${2:-TERM}" _pid_child="" _pids=""; - if _pids="$(pgrep -P "${_pid}")"\ - && [ -n "${_pids}" ]; then - for _pid_child in ${_pids}; do - rtl_kill_tree "${_pid_child}" "${_signal}"; - done; - fi; - if [ "${_pid:-0}" -ne "${$}" ]\ - && kill "-${_signal}" "${_pid}" 2>/dev/null; then - RTL_KILL_TREE_PIDS="$(rtl_lconcat "${RTL_KILL_TREE_PIDS}" "${_pid}")"; - fi; -}; - rtl_percentage() { local _in="${1}" _max="${2}" _perc; _perc="$((100 * ${_in} + ${_max} / 2))"; @@ -225,54 +72,4 @@ rtl_percentage() { printf "%d\n" "${_perc}"; }; -rtl_prompt() { - local _fmt="${1}" _choice=""; shift; - printf "${_fmt}? (y|N) " "${@}"; - read -r _choice; - case "${_choice}" in - [yY]) _choice=1; ;; - *) _choice=0; ;; - esac; - return "${_choice}"; -}; - -rtl_rc() { - local _nflag="${1}" _cmd="${2}"; shift 2; - case "${_nflag}" in - 1) if [ "${#}" -gt 0 ]; then - rtl_log_msg notice "Command line: %s %s" "${_cmd}" "${*}"; - else - rtl_log_msg notice "Command line: %s" "${_cmd}"; - fi; ;; - *) "${_cmd}" "${@}"; - esac; -}; - -rtl_run_cmd_unsplit() { - local _cmd="${1}" _cmdline="" _rc="" IFS; shift; - while [ ${#} -gt 0 ]; do - [ -n "${1}" ] &&\ - _cmdline="${_cmdline:+${_cmdline}:}${1}"; - shift; - done; - IFS=:; ${_cmd} ${_cmdline}; _rc=$?; - return ${_rc}; -}; - -rtl_set_vars() { - local _vars_set_vname="${1}" _vname_dst="${2}" _vname_src_tmpls="${3}" \ - _vars_set_old="" _vars_set_tmp="" _vname_src=""; - for _vname_src in $(rtl_toupper "${_vname_src_tmpls}"); do - _vname_src="${_vname_src}_${_vname_dst}"; - _vval_src="$(rtl_get_var_unsafe "${_vname_src}")"; - if [ -n "${_vval_src}" ]; then - rtl_set_var_unsafe "PKG_${_vname_dst}" "${_vval_src}"; - _vars_set_tmp="$(rtl_lconcat "${_vars_set_tmp}" "PKG_${_vname_dst}")"; - fi; - done; - _vars_set_old="$(rtl_get_var_unsafe "${_vars_set_vname}")"; - rtl_set_var_unsafe "${_vars_set_vname}" \ - "$(rtl_lconcat "${_vars_set_old}" "${_vars_set_tmp}")"; -}; - # vim:filetype=sh diff --git a/subr.rtl/rtl_fetch.subr b/subr.rtl/rtl_fetch.subr index f5410e30..c8e12d1b 100644 --- a/subr.rtl/rtl_fetch.subr +++ b/subr.rtl/rtl_fetch.subr @@ -2,96 +2,6 @@ # set +o errexit -o noglob -o nounset is assumed. # -rtl_fetch_mirror_urls_git() { - local _git_args="${1}" _tgtdir="${2}" _rc=0 _repo_dname="" _subdir="" _url="" _url_spec=""; shift 2; - - for _url_spec in "${@}"; do - _subdir="${_url_spec%=*}"; _subdir="${_subdir##*/}"; _url="${_url_spec#*=}"; _url="${_url%@*}"; - _repo_dname="${_url##*/}"; [ "${_repo_dname%.git}" = "${_repo_dname}" ] && _repo_dname="${_repo_dname}.git"; - - if [ ! -e "$(rtl_dirname "${_tgtdir}")" ]; then - rtl_fileop mkdir "$(rtl_dirname "${_tgtdir}")"; - fi; - (set -o errexit -o noglob -o nounset; - rtl_flock_acquire 4 || exit "${?}"; - trap "rm -f \"${_tgtdir}/.fetching\"" EXIT; - if [ -e "${_tgtdir}/${_repo_dname}" ]; then - (rtl_fileop cd "${_tgtdir}/${_repo_dname}" && git fetch ${_git_args} --all) || return 1; - else (rtl_fileop cd "${_tgtdir}" && git clone ${_git_args} --mirror "${_url}") || return 1; - fi) 4<>"${_tgtdir}/.fetching"; - if [ "${?}" -ne 0 ]; then - _rc=1; - fi; - done; return "${_rc}"; -}; - -rtlp_fetch_url_git() { - local _cache_dname="${1}" _git_args="${2}" _git_branch="${3}" _mirrors="${4}" _pkg_name="${5}"\ - _subdir="${6}" _tgtdir="${7}" _url="${8}" _cache_dname_full="" _clonefl=0 _oldpwd="" _url_base=""; - - _cache_dname_full="${_cache_dname}/${_subdir##*/}"; - (set -o errexit -o noglob -o nounset; - rtl_flock_acquire 4 || exit "${?}"; - trap "rm -f \"${_cache_dname_full%%[/]}.fetching\"" EXIT; - if [ -e "${_cache_dname_full}" ]; then - (rtl_fileop cd "${_cache_dname_full}" &&\ - git pull ${_git_args} origin "${_git_branch:-main}") || return 1; - (rtl_fileop cd "${_cache_dname_full}" &&\ - git submodule update) || return 1; - else if git clone ${_git_args} -b "${_git_branch:-main}" "${_url}" "${_cache_dname_full}"; then - _clonefl=1; - elif [ "${_mirrors}" = "skip" ]; then - return 1; - else for _url_base in ${_mirrors}; do - if git clone ${_git_args} -b "${_git_branch:-main}" "${_url_base}/${_pkg_name}/${_url##*/}" "${_cache_dname_full}"; then - _clonefl=1; break; - fi; - done; - fi; - if [ "${_clonefl}" -eq 0 ]; then - return 1; - else if [ -n "${_git_branch}" ]; then - (rtl_fileop cd "${_cache_dname_full}" &&\ - git checkout "${_git_branch}") || return 1; - fi; - (rtl_fileop cd "${_cache_dname_full}" &&\ - git submodule update --init) || return 1; - fi; - fi; - if [ "${_cache_dname}" != "${_tgtdir}" ]; then - _oldpwd="${PWD}"; rtl_fileop cd "${_tgtdir}" || return 1; - rtl_fileop rm "${_tgtdir}/${_subdir}" || return 1; - if [ ! -e "$(rtl_dirname "${_tgtdir}/${_subdir}")" ]; then - rtl_fileop mkdir "$(rtl_dirname "${_tgtdir}/${_subdir}")"; - fi; - rtl_fileop cp "${_cache_dname_full}" "${_tgtdir}/${_subdir}" || return 1; - rtl_fileop cd "${_oldpwd}" || return 1; - fi) 4<>"${_cache_dname_full%%[/]}.fetching"; - - if [ "${?}" -eq 0 ]; then - cd "$(pwd)"; - else - return 1; - fi; -}; - -rtl_fetch_urls_git() { - local _cache_dname="${1}" _git_args="${2}" _tgtdir="${3}" _pkg_name="${4}" _mirrors="${5}"\ - _git_branch="" _subdir="" _url="" _url_spec=""; shift 5; - - for _url_spec in "${@}"; do - _subdir="${_url_spec%=*}"; _url="${_url_spec#*=}"; _url="${_url%@*}"; - if [ "${_url_spec#*@}" != "${_url_spec}" ]; then - _git_branch=${_url_spec#*@}; - fi; - if ! rtlp_fetch_url_git \ - "${_cache_dname}" "${_git_args}" "${_git_branch}" "${_mirrors}"\ - "${_pkg_name}" "${_subdir}" "${_tgtdir}" "${_url}"; then - return 1; - fi; - done; -}; - # N.B. URLs ($1) may contain `?' or '&' characters. rtl_fetch_url_wget() { local _urls="${1}" _sha256sum_src="${2}" _target_dname="${3}" _target_fname="${4}" _target_name="${5}" _mirrors="${6:-}"\ diff --git a/subr.rtl/rtl_fetch_git.subr b/subr.rtl/rtl_fetch_git.subr new file mode 100644 index 00000000..2d6ce8ab --- /dev/null +++ b/subr.rtl/rtl_fetch_git.subr @@ -0,0 +1,95 @@ +# +# set +o errexit -o noglob -o nounset is assumed. +# + +rtlp_fetch_url_git() { + local _cache_dname="${1}" _git_args="${2}" _git_branch="${3}" _mirrors="${4}" _pkg_name="${5}"\ + _subdir="${6}" _tgtdir="${7}" _url="${8}" _cache_dname_full="" _clonefl=0 _oldpwd="" _url_base=""; + + _cache_dname_full="${_cache_dname}/${_subdir##*/}"; + (set -o errexit -o noglob -o nounset; + rtl_flock_acquire 4 || exit "${?}"; + trap "rm -f \"${_cache_dname_full%%[/]}.fetching\"" EXIT; + if [ -e "${_cache_dname_full}" ]; then + (rtl_fileop cd "${_cache_dname_full}" &&\ + git pull ${_git_args} origin "${_git_branch:-main}") || return 1; + (rtl_fileop cd "${_cache_dname_full}" &&\ + git submodule update) || return 1; + else if git clone ${_git_args} -b "${_git_branch:-main}" "${_url}" "${_cache_dname_full}"; then + _clonefl=1; + elif [ "${_mirrors}" = "skip" ]; then + return 1; + else for _url_base in ${_mirrors}; do + if git clone ${_git_args} -b "${_git_branch:-main}" "${_url_base}/${_pkg_name}/${_url##*/}" "${_cache_dname_full}"; then + _clonefl=1; break; + fi; + done; + fi; + if [ "${_clonefl}" -eq 0 ]; then + return 1; + else if [ -n "${_git_branch}" ]; then + (rtl_fileop cd "${_cache_dname_full}" &&\ + git checkout "${_git_branch}") || return 1; + fi; + (rtl_fileop cd "${_cache_dname_full}" &&\ + git submodule update --init) || return 1; + fi; + fi; + if [ "${_cache_dname}" != "${_tgtdir}" ]; then + _oldpwd="${PWD}"; rtl_fileop cd "${_tgtdir}" || return 1; + rtl_fileop rm "${_tgtdir}/${_subdir}" || return 1; + if [ ! -e "$(rtl_dirname "${_tgtdir}/${_subdir}")" ]; then + rtl_fileop mkdir "$(rtl_dirname "${_tgtdir}/${_subdir}")"; + fi; + rtl_fileop cp "${_cache_dname_full}" "${_tgtdir}/${_subdir}" || return 1; + rtl_fileop cd "${_oldpwd}" || return 1; + fi) 4<>"${_cache_dname_full%%[/]}.fetching"; + + if [ "${?}" -eq 0 ]; then + cd "$(pwd)"; + else + return 1; + fi; +}; + +rtl_fetch_mirror_urls_git() { + local _git_args="${1}" _tgtdir="${2}" _rc=0 _repo_dname="" _subdir="" _url="" _url_spec=""; shift 2; + + for _url_spec in "${@}"; do + _subdir="${_url_spec%=*}"; _subdir="${_subdir##*/}"; _url="${_url_spec#*=}"; _url="${_url%@*}"; + _repo_dname="${_url##*/}"; [ "${_repo_dname%.git}" = "${_repo_dname}" ] && _repo_dname="${_repo_dname}.git"; + + if [ ! -e "$(rtl_dirname "${_tgtdir}")" ]; then + rtl_fileop mkdir "$(rtl_dirname "${_tgtdir}")"; + fi; + (set -o errexit -o noglob -o nounset; + rtl_flock_acquire 4 || exit "${?}"; + trap "rm -f \"${_tgtdir}/.fetching\"" EXIT; + if [ -e "${_tgtdir}/${_repo_dname}" ]; then + (rtl_fileop cd "${_tgtdir}/${_repo_dname}" && git fetch ${_git_args} --all) || return 1; + else (rtl_fileop cd "${_tgtdir}" && git clone ${_git_args} --mirror "${_url}") || return 1; + fi) 4<>"${_tgtdir}/.fetching"; + if [ "${?}" -ne 0 ]; then + _rc=1; + fi; + done; return "${_rc}"; +}; + +rtl_fetch_urls_git() { + local _cache_dname="${1}" _git_args="${2}" _tgtdir="${3}" _pkg_name="${4}" _mirrors="${5}"\ + _git_branch="" _subdir="" _url="" _url_spec=""; shift 5; + + for _url_spec in "${@}"; do + _subdir="${_url_spec%=*}"; _url="${_url_spec#*=}"; _url="${_url%@*}"; + if [ "${_url_spec#*@}" != "${_url_spec}" ]; then + _git_branch=${_url_spec#*@}; + fi; + if ! rtlp_fetch_url_git \ + "${_cache_dname}" "${_git_args}" "${_git_branch}" "${_mirrors}"\ + "${_pkg_name}" "${_subdir}" "${_tgtdir}" "${_url}"; then + return 1; + fi; + done; +}; + +# vim:filetype=sh diff --git a/subr.rtl/rtl_filepath.subr b/subr.rtl/rtl_filepath.subr new file mode 100644 index 00000000..fa1baf57 --- /dev/null +++ b/subr.rtl/rtl_filepath.subr @@ -0,0 +1,96 @@ +# +# set +o errexit -o noglob -o nounset is assumed. +# + +rtl_basename() { + local _fname="${1##*/}"; printf "%s" "${_fname}"; +}; + +rtl_check_digest() { + local _fname="${1}" _digest_check="${2}" _digest=""; RTL_CHECK_DIGEST_DIGEST=""; + if ! [ -e "${_fname}" ]; then + return 1; + else set -- $(sha256sum "${_fname}"); + RTL_CHECK_DIGEST_DIGEST="${1}"; + if [ "${RTL_CHECK_DIGEST_DIGEST}" = "${_digest_check}" ]; then + return 0; + else + return 1; + fi; + fi; +}; + +rtl_check_digest_file() { + local _fname="${1}" _digest_check="${2}" _digest_fname="${3}" _digest="" RTL_CHECK_DIGEST_DIGEST=""; + if ! [ -e "${_digest_fname}" ]; then + return 1; + else _digest="$(cat "${_digest_fname}")"; + if [ "${_digest}" != "${_digest_check}" ]\ + || ! rtl_check_digest "${_fname}" "${_digest_check}"; then + return 1; + fi; + fi; +}; + +rtl_check_path_vars() { + local _vnames="${1}" _rc=0 _vname="" _vname_val=""; _status=""; + for _vname in ${_vnames}; do + _vname_val="$(rtl_get_var_unsafe "${_vname}")"; + if [ -z "${_vname_val}" ]; then + _rc=1; _status="Error: variable \`${_vname}' is empty or unset."; break; + elif [ "${_vname_val#* *}" != "${_vname_val}" ]; then + _rc=2; _status="Error: variable \`${_vname}' contains one or more whitespace characters."; break; + fi; + done; + return "${_rc}"; +}; + +rtl_dirname() { + local _dname="${1%/*}"; + case "${_dname}" in + "") _dname="."; ;; + *) while rtl_matchr "${_dname}" "*/"; do + _dname="${_dname%/}"; + done; ;; + esac; printf "%s" "${_dname:-/}"; +}; + +rtl_exists_any() { + local _subdir="${1}"; shift; + while [ "${#}" -gt 0 ]; do + if [ -e "${_subdir}/${1}" ]; then + return 0; + else + shift; + fi; + done; return 1; +}; + +rtl_flock_acquire() { + local _fd="${1}" _conflict_exit_code="${2:-253}" _wait="${3:-3600}" + while true; do + if flock -E "${_conflict_exit_code}" -w "${_wait}" "${_fd}"; then + break; + elif [ "${?}" -eq "${_conflict_exit_code}" ]; then + continue; + else + return "${?}"; + fi; + done; +}; + +rtl_is_newer() { + local _new_fname="${1}" _old_fname="${2}" _new_ts="" _old_ts=""; + if ! [ -e "${_old_fname}" ]; then + return 0; + else _new_ts="$(stat -c %Y "${_new_fname}" 2>&1)"; + _old_ts="$(stat -c %Y "${_old_fname}" 2>&1)"; + if [ "${_new_ts:-0}" -gt "${_old_ts:-0}" ]; then + return 0; + else + return 1; + fi; + fi; +}; + +# vim:filetype=sh diff --git a/subr.rtl/rtl_platform.subr b/subr.rtl/rtl_platform.subr new file mode 100644 index 00000000..c8137e56 --- /dev/null +++ b/subr.rtl/rtl_platform.subr @@ -0,0 +1,124 @@ +# +# set +o errexit -o noglob -o nounset is assumed. +# + +rtl_check_prereqs() { + local _cmd="" _cmds_missing="" _rc=0; _status=""; + for _cmd in "${@}"; do + if ! which "${_cmd}" >/dev/null 2>&1; then + _cmds_missing="${_cmds_missing:+${_cmds_missing} }${_cmd}"; + fi; + done; + if [ -n "${_cmds_missing}" ]; then + _rc=1; _status="Error: missing prerequisite package(s): ${_cmds_missing}"; + fi; + return "${_rc}"; +}; + +rtl_clean_env() { + local _env_vars_except="${1}" _env_var="" _env_vars=""; + _env_vars="$(export | sed -ne '/^export/{s/^export //;s/=.*$//p}')"; + for _env_var in ${_env_vars}; do + if [ "${_env_var#DEFAULT_}" != "${_env_var}" ]\ + || [ "${_env_var#PKG_}" != "${_env_var}" ]; then + _env_vars_except="$(rtl_lconcat "${_env_vars_except}" "${_env_var}")"; + fi; + done; + rtl_unset_vars $(rtl_lfilter "${_env_vars}" "${_env_vars_except}"); +}; + +rtl_get_cpu_count() { + local _line="" _ncpus=0 _rc=0 _sname="$(uname -s 2>/dev/null)"; _status=""; + case "${_sname}" in + Linux) if [ ! -e "/proc/cpuinfo" ]; then + _rc=1; _status="Error: /proc/cpuinfo non-existent."; + else while read -r _line; do + if rtl_match "${_line}" "processor*:"; then + : $((_ncpus+=1)); + fi; + done < /proc/cpuinfo; printf "%s" "${_ncpus}"; + fi; ;; + *) _rc=1; _status="Error: unknown platform \`${_sname}'."; ;; + esac; return "${_rc}"; +}; + +rtl_get_var_unsafe() { + local _vname=""; + if [ "x${1}" = "x-u" ]; then + shift; _vname="$(rtl_toupper "${1}")"; + else + _vname="${1}"; + fi; + eval echo \${${_vname}} 2>/dev/null; +}; + +rtl_get_vars_fast() { + local _pattern="${1}"; + set | awk -F= '/'"${_pattern}"'/{print $1}' | sort; +}; + +rtl_kill_tree() { + local _pid="${1}" _signal="${2:-TERM}" _pid_child="" _pids=""; + if _pids="$(pgrep -P "${_pid}")"\ + && [ -n "${_pids}" ]; then + for _pid_child in ${_pids}; do + rtl_kill_tree "${_pid_child}" "${_signal}"; + done; + fi; + if [ "${_pid:-0}" -ne "${$}" ]\ + && kill "-${_signal}" "${_pid}" 2>/dev/null; then + RTL_KILL_TREE_PIDS="$(rtl_lconcat "${RTL_KILL_TREE_PIDS}" "${_pid}")"; + fi; +}; + +rtl_prompt() { + local _fmt="${1}" _choice=""; shift; + printf "${_fmt}? (y|N) " "${@}"; + read -r _choice; + case "${_choice}" in + [yY]) _choice=1; ;; + *) _choice=0; ;; + esac; + return "${_choice}"; +}; + +rtl_rc() { + local _nflag="${1}" _cmd="${2}"; shift 2; + case "${_nflag}" in + 1) if [ "${#}" -gt 0 ]; then + rtl_log_msg notice "Command line: %s %s" "${_cmd}" "${*}"; + else + rtl_log_msg notice "Command line: %s" "${_cmd}"; + fi; ;; + *) "${_cmd}" "${@}"; + esac; +}; + +rtl_run_cmd_unsplit() { + local _cmd="${1}" _cmdline="" _rc="" IFS; shift; + while [ ${#} -gt 0 ]; do + [ -n "${1}" ] &&\ + _cmdline="${_cmdline:+${_cmdline}:}${1}"; + shift; + done; + IFS=:; ${_cmd} ${_cmdline}; _rc=$?; + return ${_rc}; +}; + +rtl_set_vars() { + local _vars_set_vname="${1}" _vname_dst="${2}" _vname_src_tmpls="${3}" \ + _vars_set_old="" _vars_set_tmp="" _vname_src=""; + for _vname_src in $(rtl_toupper "${_vname_src_tmpls}"); do + _vname_src="${_vname_src}_${_vname_dst}"; + _vval_src="$(rtl_get_var_unsafe "${_vname_src}")"; + if [ -n "${_vval_src}" ]; then + rtl_set_var_unsafe "PKG_${_vname_dst}" "${_vval_src}"; + _vars_set_tmp="$(rtl_lconcat "${_vars_set_tmp}" "PKG_${_vname_dst}")"; + fi; + done; + _vars_set_old="$(rtl_get_var_unsafe "${_vars_set_vname}")"; + rtl_set_var_unsafe "${_vars_set_vname}" \ + "$(rtl_lconcat "${_vars_set_old}" "${_vars_set_tmp}")"; +}; + +# vim:filetype=sh |