btsync: download and install as post install hook

srcpkgs/btsync/INSTALL

@@ -0,0 +1,28 @@
+BUILD_DIR="./var/tmp/${PKGNAME}.build"
+
+case "${ACTION}" in
+post)
+	. usr/lib/btsync/btsync-vars.sh
+	mkdir -p "$BUILD_DIR"
+	(
+		cd "$BUILD_DIR"
+		xbps-uhelper fetch "${BTSYNC_URL}>$PKGNAME.tar.gz"
+		echo "$BTSYNC_CHECKSUM $PKGNAME.tar.gz" > chksum
+		sha256sum -c chksum || exit 1
+		tar xf "$PKGNAME.tar.gz"
+	) || {
+		echo Error while extracting;
+		rm -r $BUILD_DIR;
+		exit 1;
+	}
+	cp $BUILD_DIR/btsync "usr/bin/btsync"
+	mkdir -p etc
+	./$BUILD_DIR/btsync --dump-sample-config \
+		| sed 's:/home/user/\.sync:/var/lib/btsync:' \
+		| sed 's:btsync/btsync.pid:btsync.pid:' \
+		| sed 's:\/\/ "pid_file":  "pid_file":' \
+		| sed 's:\/\/ "storage_path":  "storage_path":' \
+		> "etc/btsync.conf"
+
+;;
+esac

srcpkgs/btsync/REMOVE

@@ -0,0 +1,5 @@
+case "$ACTION" in
+pre)
+	rm usr/bin/btsync
+	;;
+esac

srcpkgs/btsync/files/LICENSE

@@ -0,0 +1,3 @@
+see https://www.getsync.com/legal/eula
+    https://www.getsync.com/legal/privacy
+    https://www.getsync.com/legal/terms-of-use

srcpkgs/btsync/files/btsync-vars.sh.in

@@ -0,0 +1 @@
+export BTSYNC_URL="%BTSYNC_URL%" BTSYNC_CHECKSUM="%BTSYNC_CHECKSUM%"

srcpkgs/btsync/template

@@ -22,26 +22,39 @@ arm*)
 	;;
 esac
 
-distfiles="https://download-cdn.getsyncapp.com/${version}/linux-${_type}/BitTorrent-Sync_${_type}.tar.gz"
+_filename="BitTorrent-Sync_${_type}.tar.gz"
+distfiles="https://download-cdn.getsyncapp.com/${version}/linux-${_type}/${_filename}"
 checksum="$_hash"
-create_wrksrc=true
+skip_extraction=$_filename
+create_wrksrc=yes
+
+do_fetch() {
+	mkdir -p $wrksrc
+	cd $wrksrc
+	xbps-uhelper fetch $distfiles
+	echo "$checksum	 $_filename" | sha256sum -c || { sha256sum "$_filename"; return 1; }
+}
+
+do_extract() {
+	:
+}
+
+do_build() {
+	sed \
+		-e "s|%BTSYNC_URL%|${distfiles}|" \
+		-e "s|%BTSYNC_CHECKSUM%|${checksum}|" \
+			${FILESDIR}/btsync-vars.sh.in > btsync-vars.sh	    
+}
 
 do_install() {
-	vbin btsync
-	vlicense LICENSE.TXT
-	vdoc README
 
-	vmkdir etc
+        vmkdir "usr/lib/btsync"
+	vcopy btsync-vars.sh "usr/lib/btsync"
+
+	vlicense "${FILESDIR}/LICENSE"
 
 	vmkdir var/lib/btsync
 	touch ${DESTDIR}/var/lib/btsync/.keep
 
-	./btsync --dump-sample-config \
-		| sed 's:/home/user/\.sync:/var/lib/btsync:' \
-		| sed 's:btsync/btsync.pid:btsync.pid:' \
-		| sed 's:\/\/ "pid_file":  "pid_file":' \
-		| sed 's:\/\/ "storage_path":  "storage_path":' \
-		> "${DESTDIR}/etc/btsync.conf"
-
 	vsv btsync
 }