diff options
Diffstat (limited to 'subr/ex_pkg_restart.subr')
| -rw-r--r-- | subr/ex_pkg_restart.subr | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/subr/ex_pkg_restart.subr b/subr/ex_pkg_restart.subr new file mode 100644 index 00000000..20e35b63 --- /dev/null +++ b/subr/ex_pkg_restart.subr @@ -0,0 +1,286 @@ +# +# set +o errexit -o noglob -o nounset is assumed. +# + +# +# exp_pkg_check_restart_at() - XXX +# @_rspec_at: in reference to restart build step list +# +# Calling convention: in ref. @_rspec_at +# Returns: zero (0) on success, non-zero (>0) on failure +# +exp_pkg_check_restart_at() { + local _epcra_rspec_at="${1#\$}" _epcra_len="" _epcra_rc=0 _epcra_spec_at=""; _status="" + + if ! rtl_llift2 "${_epcra_rspec_at}" \$_epcra_spec_at "," " "\ + || ! rtl_lfilter3 \$_epcra_spec_at "${DEFAULT_BUILD_STEPS} ALL LAST"\ + || ! rtl_llength2 \$_epcra_spec_at \$_epcra_len; then + _epcra_rc=1; + elif [ "${_epcra_len}" -gt 0 ]; then + _status="unknown build step(s) \`${_epcra_spec_at}'"; _epcra_rc=1; + fi; return "${_epcra_rc}"; +}; + +# +# exp_pkg_expand_restart_at_spec() - XXX +# @_rset: in reference to restart virtual build step set +# @_rspec_at: inout reference to restart build step list +# +# Calling convention: in ref. @_rset, inout ref. @_rspec_at +# Returns: zero (0) on success, non-zero (>0) on failure +# +exp_pkg_expand_restart_at_spec() { + local _eperas_rset="${1#\$}" _eperas_rspec_at="${2#\$}" _eperas_at="" \ + _eperas_rc=0 _eperas_spec_at="" _eperas_spec_at_=""; _status=""; + eval _eperas_spec_at='${'"${_eperas_rspec_at}"'}'; + + case "${_eperas_spec_at}" in + ALL|LAST|"") + ;; + + ^*) + _eperas_spec_at="${_eperas_spec_at#^}"; + if exp_pkg_expand_restart_at_virtual \ + "${_eperas_spec_at}" \$_eperas_spec_at \ + "${_eperas_rset}" \ + && exp_pkg_check_restart_at \$_eperas_spec_at; then + rtl_llift2 \$DEFAULT_BUILD_STEPS "${_eperas_rspec_at}" " " ","; + rtl_llift2 \$_eperas_spec_at \$_eperas_spec_at_ "," " "; + for _eperas_at in ${_eperas_spec_at_}; do + rtl_lfilter3 "${_eperas_rspec_at}" "${_eperas_at}" ","; + done; rtl_lfilter3 "${_eperas_rspec_at}" "finish" ","; + else + _eperas_rc=1; + fi; ;; + + \<=*|\<*|\>=*|\>*) + exp_pkg_expand_restart_at_spec_cmp \ + "${_eperas_rset}" "${_eperas_rspec_at}"; _eperas_rc="${?}"; ;; + + *) + if ! exp_pkg_expand_restart_at_virtual \ + "${_eperas_spec_at}" "${_eperas_rspec_at}" \ + "${_eperas_rset}"; then + _eperas_rc=1; + fi; ;; + esac; + + if [ "${_eperas_rc}" -eq 0 ]; then + if ! exp_pkg_check_restart_at "${_eperas_rspec_at}"; then + _epprs_rc=1; + elif eval [ '"${'"${_eperas_rspec_at}"':+1}"' != 1 ]; then + _status="zero-length build step list"; _epprs_rc=1; + fi; + fi; + return "${_eperas_rc}"; +}; + +# +# exp_pkg_expand_restart_at_spec_cmp() - XXX +# @_rset: in reference to restart virtual build step set +# @_rspec_at: inout reference to restart build step list +# +# Calling convention: in ref. @_rset, inout ref. @_rspec_at +# Returns: zero (0) on success, non-zero (>0) on failure +# +exp_pkg_expand_restart_at_spec_cmp() { + local _eperasc_rset="${1#\$}" _eperasc_rspec_at="${2#\$}" _eperasc_at="" \ + _eperasc_eqfl="" _eperasc_foundfl="" _eperasc_ltfl="" _eperasc_rc=0 \ + _eperasc_spec_at="" _eperasc_spec_at0=""; + eval _eperasc_spec_at0='${'"${_eperasc_rspec_at}"'}'; + + [ "${_eperasc_spec_at0#<}" = "${_eperasc_spec_at0}" ]; _eperasc_ltfl="${?}"; + if [ "${_eperasc_spec_at0#[<>]=}" != "${_eperasc_spec_at0}" ]; then + _eperasc_spec_at0="${_eperasc_spec_at0#[<>]=}"; _eperasc_eqfl=1; + else + _eperasc_spec_at0="${_eperasc_spec_at0#[<>]}"; _eperasc_eqfl=0; + fi; _eperasc_spec_at=""; + + if exp_pkg_expand_restart_at_virtual \ + "${_eperasc_spec_at0%%,*}" \$_eperasc_spec_at0 \ + "${_eperasc_rset}" \ + && exp_pkg_check_restart_at \$_eperasc_spec_at0; then + if [ \( "${_eperasc_eqfl}" -eq 1 \) -a \( "${_eperasc_ltfl}" -eq 1 \) ]\ + || [ \( "${_eperasc_eqfl}" -eq 0 \) -a \( "${_eperasc_ltfl}" -eq 0 \) ]; then + _eperasc_spec_at0="${_eperasc_spec_at0##*,}"; + elif [ \( "${_eperasc_eqfl}" -eq 1 \) -a \( "${_eperasc_ltfl}" -eq 0 \) ]\ + || [ \( "${_eperasc_eqfl}" -eq 0 \) -a \( "${_eperasc_ltfl}" -eq 1 \) ]; then + _eperasc_spec_at0="${_eperasc_spec_at0%%,*}"; + fi; + + _eperasc_foundfl=0; for _eperasc_at in ${DEFAULT_BUILD_STEPS}; do + if [ "${_eperasc_ltfl}" -eq 1 ]; then + if [ "${_eperasc_at}" = "${_eperasc_spec_at0%%,*}" ]; then + if [ "${_eperasc_eqfl}" -eq 1 ]; then + _eperasc_spec_at="${_eperasc_spec_at:+${_eperasc_spec_at},}${_eperasc_at}"; + fi; break; + fi; + else + if [ "${_eperasc_at}" = "${_eperasc_spec_at0%%,*}" ]; then + _eperasc_foundfl=1; [ "${_eperasc_eqfl}" -eq 0 ] && continue; + fi; [ "${_eperasc_foundfl}" -eq 0 ] && continue; + fi; + _eperasc_spec_at="${_eperasc_spec_at:+${_eperasc_spec_at},}${_eperasc_at}"; + done; + else + _eperasc_rc=1; + fi; + + eval ${_eperasc_rspec_at}='${_eperasc_spec_at}'; + return "${_eperasc_rc}"; +}; + +# +# exp_pkg_expand_restart_at_virtual() - XXX +# @_spec_at: restart build step list +# @_rspec_at_new: out reference to new restart build step list +# @_rset: inout reference to restart virtual build step set +# +# Calling convention: inout ref. @_rspec_recursive +# Returns: zero (0) on success, non-zero (>0) on failure +# +exp_pkg_expand_restart_at_virtual() { + local _epera_spec_at="${1}" _epera_rspec_at_new="${2#\$}" _epera_rset="${3#\$}" \ + _epera_at="" _epera_IFS0="${IFS:- }" _epera_rc=0 _epera_spec_at_new="" \ + IFS; _status=""; + + eval ${_epera_rspec_at_new}=; + IFS=","; set -- ${_epera_spec_at}; IFS="${_epera_IFS0}"; + while [ "${#}" -gt 0 ]; do + _epera_at="${1}"; shift; + if [ "${_epera_at#@}" != "${_epera_at}" ]; then + _epera_at="${_epera_at#@}"; + if [ "${_epera_at%[^0-9a-zA-Z_]*}" != "${_epera_at}" ]; then + _status="invalid virtual build step \`${_epera_at}'"; _epera_rc=1; + elif eval [ '"${'"${_epera_rset}${_epera_at}"':+1}"' = 1 ]; then + eval _epera_at='${'"${_epera_rset}${_epera_at}"'}'; + else + _status="unknown virtual build step \`${_epera_at}'"; _epera_rc=1; + fi; + fi; + eval ${_epera_rspec_at_new}='${'"${_epera_rspec_at_new}"':+${'"${_epera_rspec_at_new}"'},}${_epera_at}'; + done; + return "${_epera_rc}"; +}; + +# +# exp_pkg_expand_restart_recursive() - XXX +# @_rspec: inout reference to restart {specification,package name list} +# @_rrecursive: out reference to recursion flag +# +# Calling convention: inout ref. @_rspec, out ref. @_rrecursive +# Returns: zero (0) on success, non-zero (>0) on failure +# +exp_pkg_expand_restart_recursive() { + local _eperr_rspec="${1#\$}" _eperr_rrecursive="${2#\$}" _eperr_spec=""; _status="" + eval _eperr_spec='${'"${_eperr_rspec}"'}'; + + case "${_eperr_spec}" in + \*\*\*[a-zA-Z]*) + eval ${_eperr_rspec}='${_eperr_spec#\*\*\*}' ${_eperr_rrecursive}=3; ;; + \*\*[a-zA-Z]*) eval ${_eperr_rspec}='${_eperr_spec#\*\*}' ${_eperr_rrecursive}=2; ;; + \*[a-zA-Z]*) eval ${_eperr_rspec}='${_eperr_spec#\*}' ${_eperr_rrecursive}=1; ;; + ALL) eval ${_eperr_rrecursive}=2; ;; + LAST) eval ${_eperr_rrecursive}=0; ;; + esac; + return 0; +}; + +# +# exp_pkg_expand_restart_spec() - XXX +# @_rspec: inout reference to restart {specification,package name list} +# @_rspec_at: out reference to restart build step list +# +# Calling convention: inout ref. @_rspec, out ref. @_rspec_at, out ref. @_rrecursive +# Returns: zero (0) on success, non-zero (>0) on failure +# +exp_pkg_expand_restart_spec() { + local _epers_rspec="${1#\$}" _epers_rspec_at="${2#\$}" _epers_last_pkg="" \ + _epers_rc=0 _epers_spec="" _epers_spec_at="" _epers_spec_at0=""; + eval _epers_spec='${'"${_epers_rspec}"'}'; + + case "${_epers_spec}" in + "") eval ${_eppras_rspec_at}=; ;; + ALL) eval ${_epers_rspec_at}=ALL; ;; + LAST|LAST:*) + case "${_epers_spec}" in + LAST) eval ${_epers_rspec_at}=LAST; ;; + LAST:*) eval ${_epers_rspec_at}='${_epers_spec#LAST:}'; ;; + esac; + if [ "${DEFAULT_BUILD_LAST_FAILED_PKG_FNAME:+1}" = 1 ]\ + && [ -e "${DEFAULT_BUILD_LAST_FAILED_PKG_FNAME}" ]; then + if read -r _epers_last_pkg <"${DEFAULT_BUILD_LAST_FAILED_PKG_FNAME}"\ + && rtl_fileop rm "${DEFAULT_BUILD_LAST_FAILED_PKG_FNAME}"; then + eval ${_epers_rspec}='${_epers_last_pkg}'; + else + _status="failed to read or clear status of last failed package \`${_epers_last_pkg}'"; _epers_rc=1; + fi; + else + _status="cannot rebuild last failed package"; _epers_rc=1; + fi; ;; + + *:*) eval ${_epers_rspec}='${_epers_spec%:*}' ${_epers_rspec_at}='${_epers_spec#*:}'; ;; + *) eval ${_epers_rspec_at}= ${_epers_rspec_at}=ALL; ;; + esac; + return "${_epers_rc}"; +}; + +# +# exp_pkg_init_restart_at_virtual() - XXX +# @_rset: out reference to restart virtual build step set +# +# Calling convention: out ref. @_rset +# Returns: zero (0) on success, non-zero (>0) on failure +# +exp_pkg_init_restart_at_virtual() { + local _eperav_rset="${1#\$}" _eperav_step="" _eperav_step_virtual="" _epera_steps=""; + + rtl_lfilter2 \$DEFAULT_BUILD_STEPS \$_epera_steps "finish"; + for _eperav_step in ${_epera_steps}; do + _eperav_step_virtual="${_eperav_step%%_*}"; + if eval [ '"${'"${_eperav_rset}${_eperav_step_virtual}"':+1}"' != 1 ]; then + eval ${_eperav_rset}='"${'"${_eperav_rset}"':+${'"${_eperav_rset}"'},}${_eperav_step_virtual}"'; + fi; + eval ${_eperav_rset}${_eperav_step_virtual}='"${'"${_eperav_rset}${_eperav_step_virtual}"':+${'"${_eperav_rset}${_eperav_step_virtual}"'},}${_eperav_step}"'; + done; return 0; +}; + +# +# ex_pkg_process_restart_spec() - XXX +# @_rspec: inout reference to restart {specification,package name list} +# @_rspec_at: out reference to restart build step list +# @_rrecursive: out reference to restart recursion flag +# +# Calling convention: inout ref. @_rspec, out ref. @_rspec_at +# Returns: zero (0) on success, non-zero (>0) on failure +# +ex_pkg_process_restart_spec() { + local _epprs_rspec="${1#\$}" _epprs_rspec_at="${2#\$}" _epprs_rrecursive="${3#\$}" \ + _epprs_at="" _epprs_rc=0 _epprs_spec_at_new="" _epprs_step="" _epprs_step1="" \ + _epprs_virtual_set=""; _status=""; + + if exp_pkg_init_restart_at_virtual \$_epprs_virtual_set \ + && exp_pkg_expand_restart_spec "${_epprs_rspec}" \$_epprs_spec_at_new \ + && exp_pkg_expand_restart_recursive "${_epprs_rspec}" "${_epprs_rrecursive}" \ + && exp_pkg_expand_restart_at_spec \$_epprs_virtual_set \$_epprs_spec_at_new; then + eval ${_epprs_rspec_at}=; + for _epprs_at in ${DEFAULT_BUILD_STEPS}; do + if rtl_lmatch "${_epprs_at}" "${_epprs_spec_at_new}" ","; then + eval ${_epprs_rspec_at}='${'"${_epprs_rspec_at}"':+${'"${_epprs_rspec_at}"'},}${_epprs_at}'; + fi; + done; + if eval [ '"${'"${_epprs_rspec_at}"'##*,}"' != "finish" ]; then + rtl_lfilter2 "${_epprs_rspec_at}" \$_epprs_step "clean,finish" ","; _epprs_step="${_epprs_step##*,}"; + rtl_lfilter2 \$DEFAULT_BUILD_STEPS \$_epprs_step1 "clean finish"; _epprs_step1="${_epprs_step1##* }"; + if [ "${_epprs_step}" = "${_epprs_step1}" ]; then + eval ${_epprs_rspec_at}='${'"${_epprs_rspec_at}"':+${'"${_epprs_rspec_at}"'},}finish'; + fi; + fi; + else + _epprs_rc=1; + fi; + rtl_sunset \$_epprs_virtual_set; + return "${_epprs_rc}"; +}; + +# vim:filetype=sh |