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authorLucio Andrés Illanes Albornoz <lucio@lucioillanes.de>2021-08-24 12:53:37 +0200
committerLucio Andrés Illanes Albornoz <lucio@lucioillanes.de>2021-08-24 12:53:37 +0200
commit14fe23a19fc7f8734e9ef6ed0126f956dcbf8104 (patch)
tree90e5eb8b224f9170a14b7d0c658890595cc70c32
parent6659a4272c1c7f1f76937c940fc8c99784f9dbc4 (diff)
downloadmidipix_build-14fe23a19fc7f8734e9ef6ed0126f956dcbf8104.tar.bz2
midipix_build-14fe23a19fc7f8734e9ef6ed0126f956dcbf8104.tar.xz
Implements extended ${PKG_INSTALL} DSL, pt. I.
-rw-r--r--subr.rtl/rtl_install_v2.subr542
1 files changed, 542 insertions, 0 deletions
diff --git a/subr.rtl/rtl_install_v2.subr b/subr.rtl/rtl_install_v2.subr
new file mode 100644
index 00000000..ddd94552
--- /dev/null
+++ b/subr.rtl/rtl_install_v2.subr
@@ -0,0 +1,542 @@
+#
+# set +o errexit -o noglob -o nounset is assumed.
+#
+
+RTLP_INSTALL_NL="
+";
+
+# XXX optimise
+# XXX FIXME call w/ $[...}
+# implement %<...{...,...}...>
+# support multiple %<...*...> in same spec
+# split_ = unfold_
+# impl 3/ 1## 1# 1%% 1%
+
+#
+# DSL functor implementation
+#
+# {{{ rtlp_install_fmap($_rparams, $_prefix, $_spec, $_fn, [$_param[...], --, [$_spec[...]]])
+rtlp_install_fmap() {
+ local _rif_rparams="${1#\$}" _rif_prefix="${2}" _rif_spec="${3}" \
+ _rif_fn="${4}" _rif_IFS0="${IFS:- }" _rif_paramsc=0 \
+ _rif_spec_cur="" _rif_spec_list="" _rif_spec0="" _rif_specsc=0 \
+ _rif_nspec=0 _rif_rc=0 IFS; shift 4;
+ while [ "${#}" -gt 0 ] && [ "x${1}" != "x--" ]; do
+ : $((_rif_paramsc+=1)); local "${_rif_rparams}${_rif_paramsc}=${1}"; shift;
+ done; shift;
+ while [ "${#}" -gt 0 ] && [ "x${1}" != "x--" ]; do
+ : $((_rif_specsc+=1)); local "_rif_specs${_rif_specsc}=${1}"; shift;
+ done;
+
+ if rtlp_install_fmap_params "${_rif_rparams}" \$_rif_spec ""\
+ && rtlp_install_fmap_patterns "$_rif_rparams}" "${_rif_prefix}" "${_rif_spec}" \$_rif_spec_list; then
+ IFS="${RTLP_INSTALL_NL}"; for _rif_spec_cur in ${_rif_spec_list}; do
+ IFS="${_rif_IFS0}"; set --;
+ _rif_nspec=1; while [ "${_rif_nspec}" -le "${_rif_specsc}" ]; do
+ eval _rif_spec0=\"\${_rif_specs${_rif_nspec}}\";
+ rtlp_install_fmap_params \
+ "${_rif_rparams}" \
+ \$_rif_spec0 "${_rif_spec_cur}";
+ eval set -- '"${@}"' '"${_rif_spec0}"'; : $((_rif_nspec+=1));
+ done;
+ eval "${_rif_fn}" \"\$\{@\}\"; _rif_rc=$((${?} ? ${?} : ${_rif_rc}));
+ [ "${_rif_rc}" -ne 0 ] && break;
+ done; IFS="${_rif_IFS0}";
+ else
+ _rif_rc=1;
+ fi;
+ return "${_rif_rc}";
+};
+# }}}
+# {{{ rtlp_install_fmap_params($_rparams, $_rspec, $_item)
+RTLP_INSTALL_FMAP_PARAMS_LEVEL=0;
+rtlp_install_fmap_params() {
+ local _rifp_rparams="${1#\$}" _rifp_rspec="${2#\$}" _rifp_item="${3}" \
+ _rifp_expr="" _rifp_expr_="" _rifp_expr_sub="" _rifp_expr_op="" \
+ _rifp_lhs="" _rifp_rc=0 _rifp_rhs="" _rifp_subexpr=""; _status="";
+ eval _rifp_lhs='${'"${_rifp_rspec}"'}'\; ${_rifp_rspec}=;
+
+ while true; do
+ if ! rtlp_install_splitl_ref \$_rifp_expr \$_rifp_lhs \$_rifp_rhs '%[' ']'; then
+ eval ${_rifp_rspec}='${'"${_rifp_rspec}"'}${_rifp_lhs}'; break;
+ else case "${_rifp_expr}" in
+ [0-9]*)
+ eval _rifp_expr='${'"${_rifp_rparams}${_rifp_expr}"'}'; ;;
+ @[0-9]*)
+ : $((RTLP_INSTALL_FMAP_PARAMS_LEVEL+=1));
+ eval _rifp_expr${RTLP_INSTALL_FMAP_PARAMS_LEVEL}='${'"${_rifp_rparams}${_rifp_expr#@}"'}';
+ rtlp_install_fmap_params "${_rifp_rparams}" \
+ \$_rifp_expr${RTLP_INSTALL_FMAP_PARAMS_LEVEL} \
+ "${_rifp_item}"; _rifp_rc="${?}";
+ eval _rifp_expr='${_rifp_expr'"${RTLP_INSTALL_FMAP_PARAMS_LEVEL}"'}';
+ : $((RTLP_INSTALL_FMAP_PARAMS_LEVEL-=1));
+ [ "${_rifp_rc}" -eq 1 ] && break; ;;
+
+ [_0-9a-zA-Z]*)
+ case "${_rifp_expr}" in
+ DNAME*) _rifp_subexpr="${_rifp_expr#DNAME}"; _rifp_expr="${_rifp_item%/*}"; ;;
+ FNAME*) _rifp_subexpr="${_rifp_expr#FNAME}"; _rifp_expr="${_rifp_item##*/}"; ;;
+ ITEM*) _rifp_subexpr="${_rifp_expr#ITEM}"; _rifp_expr="${_rifp_item}"; ;;
+ "") _rifp_rc=1; _status="zero-length parameter name in expression"; ;;
+ *)
+ _rifp_expr_="${_rifp_expr%%[^_0-9a-zA-Z]*}";
+ _rifp_subexpr="${_rifp_expr#${_rifp_expr_}}";
+ _rifp_expr="${_rifp_expr_}";
+ if eval [ '"${'"${_rifp_rparams}${_rifp_expr}"':+1}"' = 1 ]; then
+ eval _rifp_expr='${'"${_rifp_rparams}${_rifp_expr}"'}';
+ else _rifp_rc=1; _status="unknown parameter name \`${_rifp_expr}' in expression";
+ fi; ;;
+ esac;
+
+ if [ "${_rifp_rc}" -eq 0 ]; then
+ while true; do
+ if ! rtlp_install_splitl_subexpr \
+ \$_rifp_subexpr_ \
+ \$_rifp_subexpr \
+ '## # %% %'; then
+ break;
+ else case "${_rifp_subexpr_}" in
+ /*) ;;
+ \#\#*) _rifp_expr="${_rifp_expr##${_rifp_subexpr_#\#\#}}"; ;;
+ \#*) _rifp_expr="${_rifp_expr#${_rifp_subexpr_#\#}}"; ;;
+ %%*) _rifp_expr="${_rifp_expr%%${_rifp_subexpr_#%%}}"; ;;
+ %*) _rifp_expr="${_rifp_expr%${_rifp_subexpr_#%}}"; ;;
+ "") _rifp_rc=1; _status="zero-length subexpression in expression"; ;;
+ *) _rifp_rc=1; _status="invalid subexpression \`${_rifp_subexpr_}' in expression"; ;;
+ esac; fi;
+ done;
+ fi; ;;
+
+ "") _rifp_rc=1; _status="zero-length expression"; break; ;;
+ *) _rifp_rc=1; _status="invalid expression \`${_rifp_expr}'"; break; ;;
+ esac; fi;
+ eval ${_rifp_rspec}='${'"${_rifp_rspec}"'}${_rifp_lhs}${_rifp_expr}'; _rifp_lhs="${_rifp_rhs}";
+ done; return "${_rifp_rc}";
+};
+# }}}
+# {{{ rtlp_install_fmap_patterns($_rparams, $_prefix, $_spec, $_rspec_list)
+rtlp_install_fmap_patterns() {
+ local _rifp2_rparams="${1#\$}" _rifp2_prefix="${2}" _rifp2_spec="${3}" \
+ _rifp2_rspec_list="${4#\$}" _rifp2_expr="" _rifp2_lhs="" _rifp2_rc=0 \
+ _rifp2_rhs="" IFS="${RTLP_INSTALL_NL}"; _status="";
+ _rifp2_lhs="${_rifp2_spec}";
+
+ while true; do
+ if rtlp_install_splitl_ref \$_rifp2_expr \$_rifp2_lhs \$_rifp2_rhs '%<' '>'; then
+ case "${_rifp2_expr}" in
+ *\**)
+ set +o noglob; for _rifp2_pname in ${_rifp2_prefix:+"${_rifp2_prefix%}/"}${_rifp2_lhs:+"${_rifp2_lhs%/}/"}${_rifp2_expr}; do
+ set -o noglob; _rifp2_pname="${_rifp2_pname%/}${_rifp2_rhs:+/${_rifp2_rhs}}";
+ if [ -e "${_rifp2_pname}" ]; then
+ eval ${_rifp2_rspec_list}='${'"${_rifp2_rspec_list}"':+${'"${_rifp2_rspec_list}"'}${RTLP_INSTALL_NL}}${_rifp2_pname}';
+ fi;
+ done; set -o noglob; ;;
+
+ "") _rifp2_rc=1; _status="zero-length pattern"; break; ;;
+ *) _rifp2_rc=1; _status="invalid pattern \`${_rifp2_expr}'"; break; ;;
+ esac; _rifp2_lhs="${_rifp2_rhs}";
+ else
+ eval ${_rifp2_rspec_list}='${'"${_rifp2_rspec_list}"':+${'"${_rifp2_rspec_list}"'}${RTLP_INSTALL_NL}}${_rifp2_lhs}';
+ break;
+ fi;
+ done; return "${_rifp2_rc}";
+};
+# }}}
+
+#
+# Install OPeration functions
+#
+# {{{ rtlp_install_op_chmod($_nflag, $_prefix, $_vflag, $_fname, $_mode)
+rtlp_install_op_chmod() {
+ local _rioc_nflag="${1}" _rioc_prefix="${2}" _rioc_vflag="${3}" _rioc_fname="${4}" _rioc_mode="${5}";
+
+ rtlp_install_fixup_fname \$_rioc_fname "${_rioc_prefix}";
+ rtlp_install_rc "${_rioc_nflag}" "${_rioc_vflag}" rtl_fileop chmod "${_rioc_mode}" "${_rioc_fname}";
+};
+# }}}
+# {{{ rtlp_install_op_chgrp($_nflag, $_prefix, $_vflag, $_fname, $_group)
+rtlp_install_op_chgrp() {
+ local _rioc2_nflag="${1}" _rioc2_prefix="${2}" _rioc2_vflag="${3}" _rioc2_fname="${4}" _rioc2_group="${5}";
+
+ rtlp_install_fixup_fname \$_rioc2_fname "${_rioc2_prefix}";
+ rtlp_install_rc "${_rioc2_nflag}" "${_rioc2_vflag}" rtl_fileop chgrp "${_rioc2_group}" "${_rioc2_fname}";
+};
+# }}}
+# {{{ rtlp_install_op_chown($_nflag, $_prefix, $_vflag, $_fname, $_owner)
+rtlp_install_op_chown() {
+ local _rioc3_nflag="${1}" _rioc3_prefix="${2}" _rioc3_vflag="${3}" _rioc3_fname="${4}" _rioc3_owner="${5}";
+
+ rtlp_install_fixup_fname \$_rioc3_fname "${_rioc3_prefix}";
+ rtlp_install_rc "${_rioc3_nflag}" "${_rioc3_vflag}" rtl_fileop chown "${_rioc3_owner}" "${_rioc3_fname}";
+};
+# }}}
+# {{{ rtlp_install_op_cp($_nflag, $_prefix, $_vflag, $_file_fname_dst, $_file_fname_src)
+rtlp_install_op_cp() {
+ local _rioc4_nflag="${1}" _rioc4_prefix="${2}" _rioc4_vflag="${3}" _rioc4_fname_dst="${4}" _rioc4_fname_src="${5}";
+
+ rtlp_install_fixup_fname \$_rioc4_fname_dst "${_rioc4_prefix}";
+ rtlp_install_fixup_fname \$_rioc4_fname_src "${_rioc4_prefix}";
+ rtlp_install_rc "${_rioc4_nflag}" "${_rioc4_vflag}" rtl_fileop cp "${_rioc4_fname_src}" "${_rioc4_fname_dst}";
+};
+# }}}
+# {{{ rtlp_install_op_cp_follow_if_newer($_nflag, $_prefix, $_vflag, $_file_fname_dst, $_file_fname_src)
+rtlp_install_op_cp_follow_if_newer() {
+ local _riocfin_nflag="${1}" _riocfin_prefix="${2}" _riocfin_vflag="${3}" _riocfin_fname_dst="${4}" _riocfin_fname_src="${5}";
+
+ rtlp_install_fixup_fname \$_riocfin_fname_dst "${_riocfin_prefix}";
+ rtlp_install_fixup_fname \$_riocfin_fname_src "${_riocfin_prefix}";
+ if [ -e "${_riocfin_fname_dst}" ]\
+ && rtl_is_newer "${_riocfin_fname_src}" "${_riocfin_fname_dst}"; then
+ return 0;
+ else
+ rtlp_install_rc "${_riocfin_nflag}" "${_riocfin_vflag}" rtl_fileop cp_follow "${_riocfin_fname_src}" "${_riocfin_fname_dst}";
+ fi;
+};
+# }}}
+# {{{ rtlp_install_op_ln_symbolic($_nflag, $_prefix, $_vflag, $_ln_fname, $_ln_target)
+rtlp_install_op_ln_symbolic() {
+ local _riols_nflag="${1}" _riols_prefix="${2}" _riols_vflag="${3}" _riols_ln_fname="${4}" _riols_ln_target="${5}";
+
+ rtlp_install_fixup_fname \$_riols_ln_fname "${_riols_prefix}";
+ if [ -e "${_riols_ln_fname}" ]; then
+ rtlp_install_rc "${_riols_nflag}" "${_riols_vflag}" rtl_fileop rm "${_riols_ln_fname}";
+ fi;
+ rtlp_install_rc "${_riols_nflag}" "${_riols_vflag}" rtl_fileop ln_symbolic "${_riols_ln_target}" "${_riols_ln_fname}";
+};
+# }}}
+# {{{ rtlp_install_op_mkdir($_nflag, $_prefix, $_vflag, $_dname)
+rtlp_install_op_mkdir() {
+ local _riom_nflag="${1}" _riom_prefix="${2}" _riom_vflag="${3}" _riom_dname="${4}";
+
+ rtlp_install_fixup_fname \$_riom_dname "${_riom_prefix}";
+ rtlp_install_rc "${_riom_nflag}" "${_riom_vflag}" rtl_fileop mkdir "${_riom_dname}";
+};
+# }}}
+# {{{ rtlp_install_op_mv($_nflag, $_prefix, $_vflag, $_file_fname_dst, $_file_fname_src)
+rtlp_install_op_mv() {
+ local _riom2_nflag="${1}" _riom2_prefix="${2}" _riom2_vflag="${3}" _riom2_fname_dst="${4}" _riom2_fname_src="${5}";
+
+ rtlp_install_fixup_fname \$_riom2_fname_dst "${_riom2_prefix}";
+ rtlp_install_fixup_fname \$_riom2_fname_src "${_riom2_prefix}";
+ rtlp_install_rc "${_riom2_nflag}" "${_riom2_vflag}" rtl_fileop mv "${_riom2_fname_src}" "${_riom2_fname_dst}";
+};
+# }}}
+# {{{ rtlp_install_op_rm($_nflag, $_prefix, $_vflag, $_pname)
+rtlp_install_op_rm() {
+ local _rior_nflag="${1}" _rior_prefix="${2}" _rior_vflag="${3}" _rior_pname="${4}";
+
+ rtlp_install_fixup_fname \$_rior_pname "${_rior_prefix}";
+ rtlp_install_rc "${_rior_nflag}" "${_rior_vflag}" rtl_fileop rm "${_rior_pname}";
+};
+# }}}
+# {{{ rtlp_install_op_touch($_nflag, $_prefix, $_vflag, $_fname, $_ts)
+rtlp_install_op_touch() {
+ local _riot_nflag="${1}" _riot_prefix="${2}" _riot_vflag="${3}" _riot_fname="${4}" _riot_ts="${5:-}";
+
+ rtlp_install_fixup_fname \$_riot_fname "${_riot_prefix}";
+ rtlp_install_rc "${_riot_nflag}" "${_riot_vflag}" rtl_fileop touch "${_riot_fname}" "${_riot_ts}";
+};
+# }}}
+
+#
+# Ancillary functions
+#
+# {{{ rtlp_install_fixup_fname($_rfname, $_prefix)
+rtlp_install_fixup_fname() {
+ local _riff_rfname="${1#\$}" __riff_prefix="${2}" _riff_fname="";
+ eval _riff_fname='${'"${_riff_rfname}"'}';
+
+ if [ "${_riff_fname#/}" = "${_riff_fname}" ]; then
+ eval ${_riff_rfname}='${__riff_prefix:+${__riff_prefix}/}${_riff_fname}';
+ fi;
+};
+# }}}
+# {{{ rtlp_install_rc($_nflag, $_vflag, $_fn, [...])
+rtlp_install_rc() {
+ local _rir_nflag="${1}" _rir_vflag="${2}" _rir_fn="${3}" _rir_rc=0; shift 3;
+
+ if [ "${_rir_nflag}" -eq 1 ]\
+ || [ "${_rir_vflag}" -gt 0 ]; then
+ rtl_log_msg notice "%s" "${_rir_fn}${_rir_fn:+ ${*}}";
+ fi;
+ if [ "${_rir_nflag}" -eq 0 ]; then
+ "${_rir_fn}" "${@}"; _rir_rc="${?}";
+ fi;
+ return "${_rir_rc}";
+};
+# }}}
+# {{{ rtlp_install_splitl($_rlhs, $_rrhs, $_sep)
+#
+# rtlp_install_splitl()
+# Slit @_rlhs from left-hand side into left-hand and right-hand side
+# according to @_sep w/ backslash escaping
+#
+# @_rlhs: inout reference to string and left-hand side result
+# @_rrhs: out reference to right-hand side result
+# @_sep: single non-zero, possibly multi-character, separator
+#
+# Calling convention: inout ref. @_rlhs, out ref. @_rrhs
+# Notate bene: @_sep is a shell pattern
+# Returns: zero (0) on success, non-zero (>0) on absence of unescaped @_sep in @_rlhs
+#
+rtlp_install_splitl() {
+ local _ris_rlhs="${1#\$}" _ris_rrhs="${2#\$}" _ris_sep="${3}" _ris_lhs="" \
+ _ris_lhs_new="" _ris_rc=1 _ris_rhs="" _ris_rhs_new="";
+
+ eval _ris_rhs='${'"${_ris_rlhs}"'}';
+ while [ "${_ris_rhs:+1}" = 1 ]; do
+ _ris_lhs_new="${_ris_rhs%%${_ris_sep}*}";
+ if [ "${_ris_lhs_new}" != "${_ris_rhs}" ]; then
+ _ris_rhs_new="${_ris_rhs#*${_ris_sep}}";
+ if [ "${_ris_lhs_new%\\}" = "${_ris_lhs_new}" ]; then
+ eval ${_ris_rlhs}='${_ris_lhs}${_ris_lhs_new}' \
+ ${_ris_rrhs}='${_ris_rhs_new}'; _ris_rc=0; break;
+ else
+ _ris_lhs="${_ris_lhs}${_ris_lhs_new%\\}${_ris_sep}";
+ _ris_rhs="${_ris_rhs_new}";
+ fi;
+ else break; fi;
+ done; return "${_ris_rc}";
+};
+# }}}
+# {{{ rtlp_install_splitl_ref($_ritem, $_rlhs, $_rrhs, $_sepl, $_sepr)
+#
+# rtlp_install_splitl_ref()
+# Split @_rlhs from left-hand side into left-hand, reference, and
+# right-hand side according to left-hand (beginning) and right-hand
+# (ending) side separators w/ backslash escaping
+#
+# @_rref: out reference to reference
+# @_rlhs: inout reference to string and left-hand side result
+# @_rrhs: out reference to right-hand side result
+# @_sepl: single non-zero, possibly multi-character, left-hand side separator
+# @_sepr: single non-zero, possibly multi-character, right-hand side separator
+#
+# Calling convention: out ref. @_rref, inout ref. @_rlhs, out ref. @_rrhs
+# Notate bene: @_sepl and @_sepr are shell patterns
+# Returns: zero (0) on success, non-zero (>0) on absence of unescaped references in @_rlhs
+#
+rtlp_install_splitl_ref() {
+ local _risr_rref="${1#\$}" _risr_rlhs="${2#\$}" _risr_rrhs="${3#\$}" _risr_sepl="${4}" \
+ _risr_sepr="${5}" _risr_item="" _risr_item_lhs="" _risr_item_lhs_new="" \
+ _risr_item_rhs="" _risr_item_rhs_new="" _risr_lhs="" _risr_lhs_new="" _risr_rc=1 \
+ _risr_rhs="" _risr_rhs_new="";
+
+ eval _risr_rhs='${'"${_risr_rlhs}"'}';
+ while [ "${_risr_rhs:+1}" = 1 ]; do
+ _risr_lhs_new="${_risr_rhs%%${_risr_sepl}*}";
+ if [ "${_risr_lhs_new}" != "${_risr_rhs}" ]; then
+ _risr_rhs_new="${_risr_rhs#*${_risr_sepl}}";
+ if [ "${_risr_lhs_new%\\}" = "${_risr_lhs_new}" ]; then
+ _risr_item=""; _risr_item_lhs=""; _risr_item_rhs="${_risr_rhs_new}";
+ while [ "${_risr_item_rhs:+1}" = 1 ]; do
+ _risr_item_lhs_new="${_risr_item_rhs%%${_risr_sepr}*}";
+ if [ "${_risr_item_lhs_new}" != "${_risr_item_rhs}" ]; then
+ _risr_item_rhs_new="${_risr_item_rhs#*${_risr_sepr}}";
+ if [ "${_risr_item_lhs_new%\\}" = "${_risr_item_lhs_new}" ]; then
+ _risr_item="${_risr_item_lhs}${_risr_item_lhs_new}";
+ _risr_item_rhs="${_risr_item_rhs_new}";
+ _risr_rc=0; break;
+ else
+ _risr_item_lhs="${_risr_item_lhs}${_risr_item_lhs_new%\\}${_risr_sepr}";
+ _risr_item_rhs="${_risr_item_rhs_new}";
+ fi;
+ else break; fi;
+ done; break;
+ else
+ _risr_lhs="${_risr_lhs}${_risr_lhs_new%\\}${_risr_sepl}"; _risr_rhs="${_risr_rhs_new}";
+ fi;
+ else break; fi;
+ done;
+
+ eval ${_risr_rref}='${_risr_item}' \
+ ${_risr_rlhs}='${_risr_lhs}${_risr_lhs_new}' \
+ ${_risr_rrhs}='${_risr_item_rhs}';
+ return "${_risr_rc}";
+};
+# }}}
+# {{{ rtlp_install_splitl_subexpr($_rexpr, $_rlhs, $_lsep)
+#
+# rtlp_install_splitl_subexpr()
+# Split @_rlhs from left-hand side into left-hand (subexpression) and right-hand
+# side according to list of expression operator prefixes w/ backslash escaping
+#
+# @_rexpr: out reference to right-hand (expression) side result
+# @_rlhs: inout reference to string and left-hand side result
+# @_lsep: non-zero SP-separated list of non-zero, possibly multi-character, expression operator prefixes
+#
+# Calling convention: out ref. @_rexpr, inout ref. @_rlhs
+# Notate bene: @_lsep list items are shell patterns
+# Returns: zero (0) on success, non-zero (>0) on absence of unescaped expressions in @_rlhs
+#
+rtlp_install_splitl_subexpr() {
+ local _riss_rexpr="${1#\$}" _riss_rlhs="${2#\$}" _riss_lsep="${3}" _riss_lhs="" \
+ _riss_matchfl="" _riss_nsep="" _riss_rc=1 _riss_sep="" _riss_sexpr="" \
+ _riss_sexpr_lhs="" _riss_sexpr_lhs_new="" _riss_sexpr_rhs="" \
+ _riss_sexpr_rhs_new="" _riss_sexpr_rhs_new_min="" _riss_sexpr_rhs_new_min_new="" \
+ _riss_sexpr_sep="" _riss_sexpr_sep_new=""
+
+ eval _riss_lhs='${'"${_riss_rlhs}"'}'; set -- ${_riss_lsep};
+ if [ "${_riss_lhs:+1}" = 1 ]; then
+ _riss_matchfl=0; _riss_nsep=1; while [ "${_riss_nsep}" -le "${#}" ]; do
+ eval _riss_sep='${'"${_riss_nsep}"'}';
+ case "${_riss_lhs}" in
+ ${_riss_sep}*) _riss_matchfl=1; break; ;;
+ *) : $((_riss_nsep+=1)); ;;
+ esac;
+ done;
+ if [ "${_riss_matchfl}" -eq 1 ]; then
+ _riss_sexpr=""; _riss_sexpr_lhs="${_riss_sep}";
+ _riss_sexpr_rhs="${_riss_lhs#${_riss_sep}}";
+ while [ "${_riss_sexpr_rhs:+1}" = 1 ]; do
+ _riss_sexpr_rhs_new_min=-1; _riss_sexpr_sep=""; _riss_nsep=1;
+ while [ "${_riss_nsep}" -le "${#}" ]; do
+ eval _riss_sexpr_sep_new='${'"${_riss_nsep}"'}';
+ _riss_sexpr_rhs_new="${_riss_sexpr_rhs%%${_riss_sexpr_sep_new}*}";
+ if [ "${_riss_sexpr_rhs_new}" != "${_riss_sexpr_rhs}" ]; then
+ _riss_sexpr_rhs_new_min_new="${#_riss_sexpr_rhs_new}";
+ if [ "${_riss_sexpr_rhs_new_min_new}" -le "${_riss_sexpr_rhs_new_min}" ]\
+ || [ "${_riss_sexpr_rhs_new_min}" -eq -1 ]; then
+ _riss_sexpr_rhs_new_min="${_riss_sexpr_rhs_new_min_new}";
+ _riss_sexpr_sep="${_riss_sexpr_sep_new}";
+ fi;
+ fi; : $((_riss_nsep+=1));
+ done;
+ if [ "${_riss_sexpr_sep:+1}" = 1 ]; then
+ _riss_sexpr_lhs_new="${_riss_sexpr_rhs%%${_riss_sexpr_sep}*}";
+ if [ "${_riss_sexpr_lhs_new%\\}" = "${_riss_sexpr_lhs_new}" ]; then
+ _riss_sexpr_lhs="${_riss_sexpr_lhs}${_riss_sexpr_lhs_new}";
+ _riss_sexpr_rhs="${_riss_sexpr_sep}${_riss_sexpr_rhs#*${_riss_sexpr_sep}}"; break;
+ else
+ _riss_sexpr_lhs="${_riss_sexpr_lhs}${_riss_sexpr_rhs%%\\${_riss_sexpr_sep}*}${_riss_sexpr_sep}";
+ _riss_sexpr_rhs="${_riss_sexpr_rhs#*\\${_riss_sexpr_sep}}";
+ fi;
+ else
+ _riss_sexpr_lhs="${_riss_sexpr_lhs}${_riss_sexpr_rhs}"; _riss_sexpr_rhs=""; break;
+ fi;
+ done;
+ eval ${_riss_rexpr}='${_riss_sexpr_lhs}' ${_riss_rlhs}='${_riss_sexpr_rhs}'; _riss_rc=0;
+ fi;
+ fi; return "${_riss_rc}";
+};
+# }}}
+
+rtl_install_v2() {
+ local _ri_prefix="" _ri_spec_flag="" _ri_spec_list="" _ri_iflag=0 _ri_IFS="${IFS:- }" \
+ _ri_nflag=0 _ri_paramsc=0 _ri_vflag=0 _ri_IFS0 _ri_nparam=0 _ri_opt="" _ri_param="" \
+ _ri_rc=0 _ri_spec="" _ri_spec_dst="" _ri_spec_src="" IFS OPTARG="" OPTIND=1; _status="";
+
+ while true; do
+ if [ "${1:-}" = "--" ]; then
+ : $((OPTIND+=1)); break;
+ elif ! getopts hiI:np:v _ri_opt; then
+ break;
+ else case "${_ri_opt}" in
+ h) printf "usage: rtl_install [-i] [-I ifs] [-n] [-p name=val] [-v] prefix spec_list\n" >&2;
+ printf " -i...........: continue on soft errors\n" >&2;
+ printf " -I ifs.......: process spec_list with ifs instead of NL\n" >&2;
+ printf " -n...........: perform dry run\n" >&2;
+ printf " -p name=val..: set named parameter\n" >&2;
+ printf " -v...........: increase verbosity\n" >&2;
+ printf " prefix.......: pathname prefix\n" >&2;
+ printf " spec_list....: ifs-separated list of specs\n" >&2; return 1; ;;
+ i) _ri_iflag=1; ;;
+ I) _ri_IFS="${OPTARG}"; ;;
+ n) _ri_nflag=1; ;;
+ p) : $((_ri_paramsc+=1)); local _ri_params${OPTARG%%=*}="${OPTARG#*=}"; ;;
+ v) : $((_ri_vflag+=1)); ;;
+ *) return 1; ;;
+ esac; fi;
+ done; shift $((${OPTIND}-1));
+ _ri_prefix="${1:-}"; _ri_spec_list="${2:-}"; shift 2;
+ _ri_IFS0="${IFS}"; IFS="${_ri_IFS}"; set -- ${_ri_spec_list}; IFS="${_ri_IFS0}";
+
+ while [ ${#} -gt 0 ]; do
+ echo $1; continue;
+ _ri_spec_src="${1}";
+ case "${_ri_spec_src}" in
+ \?*) _ri_spec_flag="?"; ;;
+ *) _ri_spec_flag=""; ;;
+ esac;
+ if ! rtlp_install_splitl \$_ri_spec_src \$_ri_spec_dst "="; then
+ _ri_rc=1; _status="zero-length or invalid specification \`${1}'";
+ else case "${_ri_spec_src}" in
+ -)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_dst}" \
+ rtlp_install_op_rm "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "" \
+ -- "%[1]" "%[2]" "%[3]" "%[ITEM]"; ;;
+
+ /)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_dst}" \
+ rtlp_install_op_mkdir "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "" \
+ -- "%[1]" "%[2]" "%[3]" "%[ITEM]"; ;;
+
+ t*)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_dst}" \
+ rtlp_install_op_touch "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "" "" \
+ -- "%[1]" "%[2]" "%[3]" "%[ITEM]" "%[5]"; ;;
+
+ :*)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_src#:}" \
+ rtlp_install_op_cp "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "${_ri_spec_dst}" "" \
+ -- "%[1]" "%[2]" "%[3]" "%[@4]" "%[ITEM]"; ;;
+
+ !*)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_src#!}" \
+ rtlp_install_op_mv "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "${_ri_spec_dst}" "" \
+ -- "%[1]" "%[2]" "%[3]" "%[@4]" "%[ITEM]"; ;;
+
+ @*)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_dst}" \
+ rtlp_install_op_ln_symbolic "${_ri_nflag}" "${_ri_prefix}" \
+ "${_ri_vflag}" "" "${_ri_spec_src#@}" "" \
+ -- "%[1]" "%[2]" "%[3]" "%[ITEM]" "%[@5]"; ;;
+
+ +*)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_src#+}" \
+ rtlp_install_op_cp_follow_if_newer "${_ri_nflag}" "${_ri_prefix}" \
+ "${_ri_vflag}" "${_ri_spec_dst}" "" \
+ -- "%[1]" "%[2]" "%[3]" "%[@4]" "%[ITEM]"; ;;
+
+ g*)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_dst}" \
+ rtlp_install_op_chgrp "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "" "${_ri_spec_src#g}" \
+ -- "%[1]" "%[2]" "%[3]" "%[ITEM]" "%[5]"; ;;
+
+ m[0-7][0-7][0-7][0-7])
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_dst}" \
+ rtlp_install_op_chmod "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "" "${_ri_spec_src#m}" \
+ -- "%[1]" "%[2]" "%[3]" "%[ITEM]" "%[5]"; ;;
+
+ o*)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_dst}" \
+ rtlp_install_op_chown "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "" "${_ri_spec_src#o}" \
+ -- "%[1]" "%[2]" "%[3]" "%[ITEM]" "%[5]"; ;;
+
+ T*)
+ rtlp_install_fmap \$_ri_params "${_ri_prefix}" "${_ri_spec_dst}" \
+ rtlp_install_op_touch "${_ri_nflag}" "${_ri_prefix}" "${_ri_vflag}" \
+ "" "${_ri_spec_src#T}" \
+ -- "%[1]" "%[2]" "%[3]" "%[ITEM]" "%[5]"; ;;
+
+ \#*|"")
+ ;;
+ esac; _ri_rc="${?}"; fi;
+ shift;
+ if [ "${_ri_rc}" -ne 0 ]\
+ && [ "${_ri_iflag}" -eq 0 ]; then
+ break;
+ fi;
+ done;
+ return "${_ri_rc}";
+};
+
+# vim:filetype=sh