$ git clone -n https://git.cclinux.org/stage/rpms/which.git /mnt/compose/mock/dist-circle8-build-108923-60255/root/chroot_tmpdir/scmroot/which
Cloning into '/mnt/compose/mock/dist-circle8-build-108923-60255/root/chroot_tmpdir/scmroot/which'...
$ git fetch origin 23675261986bb7e0b801cc5011bff1c98b3226de:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/which
 * [new ref]         23675261986bb7e0b801cc5011bff1c98b3226de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2367526 import which-2.21-20.el8