switched to harfbuzz subsetting and now subset alegreya*

deps.sh

@@ -5,11 +5,17 @@ if ! [[ -d pgvv/ ]]; then
 	source ./pgvv/bin/activate
 	python3 -m pip install --upgrade pip
 	pip install --upgrade pygments
-	pip install --upgrade fonttools
-	pip install --upgrade brotli
+	# pip install --upgrade fonttools
+	# pip install --upgrade brotli
 	deactivate
 fi
 
+which dnf
+if ! [[ $? == 0 ]]; then
+	echo 'please install hb-subset (provided by harfbuzz-devel on RedHat)'
+	exit 6
+fi
+
 which opam 2> /dev/null
 if [[ $? == 0 ]]; then
 	opam install -y soupault
@@ -25,3 +31,22 @@ else
 	echo 'failed to install jotdown with cargo'
 	exit 3
 fi
+
+which git 2> /dev/null
+if ! [[ $? == 0 ]]; then
+	echo 'you need git'
+	exit 4
+fi
+
+which cc 2> /dev/null
+if ! [[ $? == 0 ]]; then
+	echo 'you need a C compiler'
+	exit 5
+fi
+
+if ! [[ -d woff2/ ]]; then
+	git clone https://github.com/mobotsar/woff2.git --recursive || exit 7
+	builtin pushd woff2
+	make clean all || exit 8
+	popd
+fi