gnupg: addgnupghome
9.3 Create .gnupg home directories
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If GnuPG is installed on a system with existing user accounts, it is
sometimes required to populate the GnuPG home directory with existing
files. Especially a 'trustlist.txt' and a keybox with some initial
certificates are often desired. This script helps to do this by copying
all files from '/etc/skel/.gnupg' to the home directories of the
accounts given on the command line. It takes care not to overwrite
existing GnuPG home directories.
'addgnupghome' is invoked by root as:
addgnupghome account1 account2 ... accountn