Implements {fetch,configure,build,install}_clean.

build.sh:buildp_dispatch_fail_pkg(): print NL when writing to ${DEFAULT_BUILD_LAST_FAILED_PKG_FNAME}.
etc/{README.md,build.usage}: updated.
midipix.env: updated.
subr.rtl/rtl_complex.subr:rtl_sunset(): initial implementation.
subr.rtl/rtl_list.subr:rtl_l{filter[23],length2,lift[23]}(): initial implementation.
subr.rtl/rtl_state.subr:rtl_state_test(): take ${_build_steps} vs. ${_build_step}.
subr/{build_init,ex_pkg_restart}.subr: splits extended restart syntax processing logic.
subr/ex_pkg_exec.subr:ex_pkg_exec(): filter "start".
subr/pkg_{build,configure,fetch,install}_clean.subr: initial implementation.

1 files changed, 16 insertions, 10 deletions

diff --git a/subr.rtl/rtl_state.subr b/subr.rtl/rtl_state.subr
index 203ec520..da091e9c 100644
--- a/subr.rtl/rtl_state.subr
+++ b/subr.rtl/rtl_state.subr
@@ -23,16 +23,22 @@ rtl_state_set() {
 };
 
 rtl_state_test() {
-	local _workdir="${1}" _pkg_name="${2}" _build_step="${3}" _restart_at="${4:-}" _done_fname="";
-	_done_fname="${_workdir}/.${_pkg_name}.${_build_step}";
-	if [ -z "${_restart_at}" ]\
-	|| [ "${_restart_at}" = "LAST" ]; then
-		rtl_fileop test "${_done_fname}";
-	elif [ "${_restart_at}" = "ALL" ]; then
-		return 1;
-	else
-		! rtl_lmatch "${_restart_at}" "${_build_step}" ",";
-	fi;
+	local	_workdir="${1}" _pkg_name="${2}" _build_steps="${3}"	\
+		_restart_at="${4:-}" _build_step="" _done_fname=""	\
+		IFS="," _rc=0;
+
+	for _build_step in ${_build_steps}; do
+		_done_fname="${_workdir}/.${_pkg_name}.${_build_step}";
+		if [ "${_restart_at:+1}" != 1 ]\
+		|| [ "${_restart_at}" = "LAST" ]; then
+			rtl_fileop test "${_done_fname}"; _rc="${?}";
+		elif [ "${_restart_at}" = "ALL" ]; then
+			_rc=1;
+		else
+			rtl_lmatch "${_restart_at}" "${_build_step}" ",";
+			_rc=$((${?} ? 0 : 1));
+		fi; [ "${_rc}" -eq 0 ] && break;
+	done; return "${_rc}";
 };
 
 # vim:filetype=sh