ssh-copy-id: Issue with target machine with non-sh shell

[Lukas Stabe]

Hi!

I have the following issue with ssh-copy-id:

The login-shell of the user I am trying to copy my keys to is fish. fish does not
behave very sh-y. For example it does not support `command || alternative`, which
makes it choke on the following part of the script (lines 273 ff):

    ssh "$@" "
      umask 077 ;
      mkdir -p .ssh && cat >> .ssh/authorized_keys || exit 1 ;
      if type restorecon >/dev/null 2>&1 ; then restorecon -F .ssh .ssh/authorized_keys ; fi”

There is a very simple solution to this, which would make the code more robust in 
general: execute the code on the target machine in a `/bin/sh -c '<code>’` call,
like this:

    ssh "$@“ “/bin/sh -c '
      umask 077 ;
      mkdir -p .ssh && cat >> .ssh/authorized_keys || exit 1 ;
      if type restorecon >/dev/null 2>&1 ; then restorecon -F .ssh .ssh/authorized_keys ; fi’”

Please consider adding this to ssh-copy-id :)

Best regards,
Lukas Stabe
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