(artful-samba-apport-cifs-1703604)andreas@nsn7:~/git/packages/samba$ git ubuntu build-source --sign
09/01/2017 15:27:08 - WARNING:pristine-tar data found for both debian and ubuntu, using ubuntu
09/01/2017 15:27:10 - ERROR:Command exited 1: gbp buildpackage --git-builder=/bin/true --git-pristine-tar --git-ignore-branch '--git-upstream-tag=pkg/upstream/ubuntu/%(version)s.gz'
09/01/2017 15:27:10 - ERROR:stdout: 
09/01/2017 15:27:10 - ERROR:stderr: gbp:error: Pristine-tar couldn't checkout "samba_4.6.7+dfsg.orig.tar.gz": fatal: ambiguous argument '58fe526e6611a874f408d8ccc4fa22a0f6b754d4^{tree}': unknown revision or path not in the working tree.
  Use '--' to separate paths from revisions, like this:
  'git <command> [<revision>...] -- [<file>...]'
  fatal: Not a valid object name
  tar: This does not look like a tar archive
  tar: Exiting with failure status due to previous errors
  pristine-tar: command failed: git archive --format=tar 58fe526e6611a874f408d8ccc4fa22a0f6b754d4\^\{tree\} | (cd '/tmp/pristine-tar.9GGqGCuL1q' && tar x)

You need a passphrase to unlock the secret key for
user: "Andreas Hasenack <panlinux@gmail.com>"
1024-bit DSA key, ID F3DDC290, created 2000-03-28


You need a passphrase to unlock the secret key for
user: "Andreas Hasenack <panlinux@gmail.com>"
1024-bit DSA key, ID F3DDC290, created 2000-03-28


You need a passphrase to unlock the secret key for
user: "Andreas Hasenack <panlinux@gmail.com>"
1024-bit DSA key, ID F3DDC290, created 2000-03-28

09/01/2017 15:27:47 - INFO:Successfully built using fetch_orig_from_launchpad(source=ubuntu)