display actual tar1090 version instead of install date

install.sh

@@ -144,7 +144,7 @@ if [[ "$1" == "test" ]] || [[ -n "$git_source" ]]; then
         cp -r ./* "$gpath/git"
     fi
     cd "$gpath/git"
-    TAR_VERSION="$(date +%s)_${RANDOM}${RANDOM}"
+    TAR_VERSION="$(cat version)_dirty"
 else
     VERSION_NEW=$(curl --silent --show-error "https://raw.githubusercontent.com/wiedehopf/tar1090/master/version")
     if  [[ "$(cat "$gpath/git/version" 2>/dev/null)" != "$VERSION_NEW" ]]; then
@@ -327,7 +327,7 @@ do
     dir=$(pwd)
     cd "$TMP"
 
-    sed -i -e "s/tar1090 on github/tar1090 on github ($(date +%y%m%d))/" index.html
+    sed -i -e "s/tar1090 on github/tar1090 on github (${TAR_VERSION})/" index.html
 
     "$gpath/git/cachebust.sh" "$gpath/git/cachebust.list" "$TMP"