Update source.sh script and add check-version.sh script

source.sh

@@ -10,12 +10,14 @@ FILENAME="${DOWNLOAD##*/}"
 prepare() {
   wget "$DOWNLOAD"
   tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
+
+  cd "$BPM_SOURCE"
+  autoreconf -fi
 }
 
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
-  autoreconf -fi
   ./configure --prefix=/usr --disable-static
   make
 }
@@ -24,7 +26,10 @@ build() {
 # This function is used to move the compiled files into the output directory
 package() {
   make DESTDIR="$BPM_OUTPUT" install
+
+  # Install documentation
   install -Dm644 doc/startup-notification.txt "$BPM_OUTPUT"/usr/share/doc/startup-notification/startup-notification.txt
 
+  # Install package license
   install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/startup-notification/COPYING
 }