(feat) proper file downloading mechanism

brick.sh

@@ -60,6 +60,19 @@ user_confirm() {
 	done
 }
 
+bricksenv() {
+	echo "export BRICKS_DIR=$BRICKS_DIR"
+	echo "export BRICKS_DB=$BRICKS_DB"
+	echo "export AUTOMATIC=$AUTOMATIC"
+}
+
+tmpdir() {
+	if ! [ -f $BRICKS_DIR/.tmp ]; then
+		mkdir -p $BRICKS_DB/.tmp
+	fi
+	echo $BRICKS_DB/.tmp
+}
+
 # some vars
 BRICKS_DIR=${BRICKS_DIR:-}
 PKGS=()
@@ -170,6 +183,7 @@ if [ "${#PACDEPS[@]}" != "0" ]; then
 		inf "removed $removed installed pacman deps"
 	fi
 
+	# then there might actually be no work to be done
 	if [ "$TO_INSTALL" != "" ]; then
 		inf "installing pacman packages:"
 		inf "$TO_INSTALL"
@@ -190,17 +204,61 @@ else
 	inf "no pacman deps to install"
 fi
 
+DOWNLOADED_FILES=()
+
 i=1
 # pacman deps installed, lets install the actual shit
 for pkg in "${PKGS[@]}"; do
 	inf "installing $pkg [$i/${#PKGS[@]}]"
+
+
+	exec_brick() {
+		echo -e "$(bricksenv)$1" | bash
+	}
+
+	# first check if there is stuff we need to download for that brick
+	
+	SCRIPT="
+		source $(getbrick $pkg)
+		if [ -z ${var+x} ]; then
+			echo \${downloads[@]}
+		fi
+	"
+
+	DOWNLOADS=$(exec_brick "$SCRIPT")
+	DOWNLOADS_MAP=()
+	if ! [ "$DOWNLOADS" == "" ]; then
+		DOWNLOADS=($DOWNLOADS)
+		inf "$(inf "downloading files for $pkg...")"
+		i=1
+		for download in $DOWNLOADS; do
+			curl -s $download > $(tmpdir)/$pkg-file-$i &
+			DOWNLOADS_MAP=(${DOWNLOADS_MAP[@]} $(tmpdir)/$pkg-file-$i)
+			i=$(($i + 1))
+		done
+		wait
+		inf "$(inf "downloaded")"
+	fi
+
+	DOWNLOADED_FILES=(${DOWNLOADED_FILES[@]} ${DOWNLOADS_MAP[@]})
+
 	SCRIPT="
-	export BRICKS_DIR=$BRICKS_DIR
-	export BRICKS_DB=$BRICKS_DB
 		source $(getbrick $pkg)\n
-	install"
-	echo -e "$SCRIPT" | bash > $BRICKS_DB/.$pkg-install-log
+		downloads=(${DOWNLOADS_MAP[@]})\n
+		install
+	"
+
+	exec_brick "$SCRIPT" > $BRICKS_DB/.$pkg-install-log
+	
 	i=$(($i + 1))
 done
 
+if ! [ "${#DOWNLOADED_FILES[@]}" == "0" ]; then
+	inf "$(inf 'cleaning up downloaded files')"
+	for file in $DOWNLOADED_FILES; do
+		rm $file &
+	done
+	wait
+fi
+
 inf "done"

bricks/example.brick

@@ -4,6 +4,9 @@
 # GPL3 only
 # uwu
 
+downloads=(
+	https://example.com/script.sh
+)
 
 info() {
 	echo this brick does this and that
@@ -23,11 +26,9 @@ pkgs() {
 }
 
 install() {
-	# these 2 lines are to prevent it from being installed
-	errcho '`example` brick is not an installable brick, its for packaging reference only'
-	exit 1
-
-	sh -c "$(curl https://example.com/script.sh)"
+	echo this is a dummy package, it is not meant to actually be installed, silly
+	return
+	sh -c "$(cat ${downloads[0]})"
 }
 
 uninstall() {