-f=tor-browser-linux64-${ver}_en-US.tar.xz
-timestamp=$(stat -c %Y $f)
-wget -N https://www.torproject.org/dist/torbrowser/$ver/$f
-if [[ $timestamp == $(stat -c %Y $f) && -e /a/opt/tor-browser_en-US/Browser/start-tor-browser ]]; then
- # already installed
- exit 0
+ver=${vers[0]}
+dl() {
+ f=tor-browser-linux64-${ver}_en-US.tar.xz
+ if [[ -e $f ]]; then
+ timestamp=$(stat -c %Y $f)
+ else
+ timestamp=0
+ fi
+ echo wget -nv -N https://www.torproject.org/dist/torbrowser/$ver/$f
+ wget -nv -N https://www.torproject.org/dist/torbrowser/$ver/$f || ret=$?
+}
+dl
+# 8 is return code for 404. for a new release, they might not have released to linux yet.
+if [[ $ret == 8 ]]; then
+ ver=${vers[1]}
+ dl
+fi
+
+new_timestamp=$(stat -c %Y $f)
+if [[ $timestamp != $new_timestamp || ! -e /a/opt/tor-browser_en-US/Browser/start-tor-browser ]]; then
+ # not already installed
+ rm -rf tor-browser_en-US
+ tar Jxf $f
+
+ ## begin handlers customization
+ dest=/a/opt/tor-browser_en-US/Browser/TorBrowser/Data/Browser/profile.default/handlers.json
+ orig=/p/c/tor-handlers-orig.json
+ src=/p/c/tor-handlers.json
+ if diff -q $src $dest; then
+ echo "Error: handlers file changed. adjust based on upstream"
+ exit 1
+ fi
+ cp $src $dest
+ ## end handlers customization
+
+ cp /p/c/tor-user.js /a/opt/tor-browser_en-US/Browser/TorBrowser/Data/Browser/profile.default/user.js
+