$ git clone -n https://src.fedoraproject.org/rpms/gpgme.git /var/lib/mock/f45-build-12924-444/root/chroot_tmpdir/scmroot/gpgme
Cloning into '/var/lib/mock/f45-build-12924-444/root/chroot_tmpdir/scmroot/gpgme'...
$ git fetch origin 90bb82ac589f1c075d60222c36212a839c26bf95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpgme
 * [new ref]         90bb82ac589f1c075d60222c36212a839c26bf95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90bb82a updated to 2.1.2 (#2479546)