$ git clone -n https://git.cclinux.org/stage/rpms/libtiff.git /var/lib/mock/dist-circle8_10-updates-build-118874-82720/root/chroot_tmpdir/scmroot/libtiff
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-118874-82720/root/chroot_tmpdir/scmroot/libtiff'...
$ git fetch origin a6b943de7c01e0b65cfcff60549052645ea9d820:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/libtiff
 * [new ref]         a6b943de7c01e0b65cfcff60549052645ea9d820 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6b943d import libtiff-4.0.9-33.el8_10