better detect make targets

1 files changed, 31 insertions, 6 deletions

diff --git a/scripts/lesson-make b/scripts/lesson-make
index 589c6a0d..01db501a 100755
--- a/scripts/lesson-make
+++ b/scripts/lesson-make
@@ -6,12 +6,37 @@ done
 
 FIND="find . -maxdepth 1 '(' -name '*.md' -o -name '*.tex' ')' -a -not -name 'Aufgabe[0-9].tex' -a -not -name '_*'"
 
-if [[ -f "${MAKEFILE}" ]]; then
-	TARGETS=( "$@" )
-	if [[ -z "${TARGETS[*]}" ]]; then
-		  read -ra TARGETS < <(eval "${FIND}" | sed -e 's/\.tex$/.pdf/g' -e 's/\.md$/.pdf/g' -e 's/slides.pdf/slides.pdf slides.pptx/')
-	fi
+if [[ ! -f "${MAKEFILE}" ]]; then
+	echo "No root Makefile found" >&2
+	exit 1
+fi
+
+targets=( "$@" )
+if [[ -z "${targets[*]}" ]]; then
+	# Autodetect targets
+	mapfile -t sources < <(eval "${FIND}")
+	for source in "${sources[@]}"; do
+		declare -a new_targets=()
+		case "${source}" in
+		slides.md)
+			new_targets+=("slides.pdf" "slides.pptx")
+			;;
+		*)
+			mapfile -t new_targets < <(echo "${source}" | sed -e 's/\.tex$/.pdf/g' -e 's/\.md$/.pdf/g')
+			;;
+		esac
 
-	exec make -f "${MAKEFILE}" "${TARGETS[@]}"
+		if grep -qe 'lehrerversion\|gap\|solution' "${source}"; then
+			declare -a sus_targets=( "${new_targets[@]}" )
+			for sus_target in "${sus_targets[@]}"; do
+				dir=$(dirname "${sus_target}")
+				target_file=$(basename "${sus_target}")
+				new_targets+=("${dir}/lehrer_${target_file}")
+			done
+		fi
+		targets+=( "${new_targets[@]}" )
+	done
 fi
 
+exec make -f "${MAKEFILE}" "${targets[@]}"
+