So for whatever pundek reason ...
This will fail with " Unable to find remote helper for 'https' " :
$ /path/to/bin/git clone etc.
But this will work :
$ export PATH=$PATH:/path/to/bin
$ git clone etc.
It's probably because (git) is trying to call itself but can't find itself ... that's a horrible default behaviour ... but I'm noob, so it's probably my fault anyway.