In fact I changed that (r773) to symlink the agent's socket(s) instead; it's much cleaner as it doesn't spawn multiple agent in ~/.caff/gnupghome and the temporary directories. However caff won't work with gpg <= 2.1.2, due to gpg not flushing its standard output before the status prompts during the pruning. This bug has already been fixed upstream, see
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=d2a70fd8 -- Guilhem.
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