$ git clone -n https://src.fedoraproject.org/rpms/perl-Test2-Plugin-UUID.git /var/lib/mock/f41-build-side-1-2781907-32532/root/chroot_tmpdir/scmroot/perl-Test2-Plugin-UUID
Cloning into '/var/lib/mock/f41-build-side-1-2781907-32532/root/chroot_tmpdir/scmroot/perl-Test2-Plugin-UUID'...
$ git fetch origin 5cf27491b518908b405639bb3f92a00730aec1d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test2-Plugin-UUID
 * [new ref]         5cf27491b518908b405639bb3f92a00730aec1d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cf2749 0.002009 bump