$ git clone -n https://src.fedoraproject.org/rpms/pgp-tools.git /var/lib/mock/f41-build-1219582-22737/root/chroot_tmpdir/scmroot/pgp-tools
Cloning into '/var/lib/mock/f41-build-1219582-22737/root/chroot_tmpdir/scmroot/pgp-tools'...
$ git fetch origin 461e0e0d376fc207dfc6616e6a5fb10dfa687b59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pgp-tools
 * [new ref]         461e0e0d376fc207dfc6616e6a5fb10dfa687b59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 461e0e0 Eliminate use of obsolete %patchN syntax (#2283636)