$ git clone -n https://src.fedoraproject.org/rpms/partclone.git /var/lib/mock/f45-build-21400-584/root/chroot_tmpdir/scmroot/partclone
Cloning into '/var/lib/mock/f45-build-21400-584/root/chroot_tmpdir/scmroot/partclone'...
$ git fetch origin f394f58556952dd3d46286523c3e74e87b0a2adf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/partclone
 * [new ref]         f394f58556952dd3d46286523c3e74e87b0a2adf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f394f58 Upgrade to 0.3.48