$ git clone -n https://src.fedoraproject.org/rpms/budgie-desktop.git /var/lib/mock/f39-build-1564765-37521/root/chroot_tmpdir/scmroot/budgie-desktop
Cloning into '/var/lib/mock/f39-build-1564765-37521/root/chroot_tmpdir/scmroot/budgie-desktop'...
$ git fetch origin be80af8b69ad01a250960036fc67fff04eef352b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/budgie-desktop
 * [new ref]         be80af8b69ad01a250960036fc67fff04eef352b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be80af8 Updated to 10.8.2