$ git clone -n https://src.fedoraproject.org/rpms/scala.git /var/lib/mock/f39-build-1972061-43325/root/chroot_tmpdir/scmroot/scala
Cloning into '/var/lib/mock/f39-build-1972061-43325/root/chroot_tmpdir/scmroot/scala'...
$ git fetch origin 175b2ccdbdb55c980befb2fcbd5c896aa851b56d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scala
 * [new ref]         175b2ccdbdb55c980befb2fcbd5c896aa851b56d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 175b2cc Version 2.13.12 - Fix source files