For dgit, specifies the command to run on the remote host when dgit
rpush needs to invoke a remote copy of itself. (dgit also reinvokes
itself as the EDITOR for dpkg-source --commit; this is done using
-argv[0], and is not affected by --dget=).
+argv[0], and is not affected by --dgit=).
For ssh, the default value is taken from the
.B DGIT_SSH