$ git clone -n https://src.fedoraproject.org/rpms/tlpi.git /var/lib/mock/f39-build-2472506-61471/root/chroot_tmpdir/scmroot/tlpi
Cloning into '/var/lib/mock/f39-build-2472506-61471/root/chroot_tmpdir/scmroot/tlpi'...
$ git fetch origin b9fc5f4852cf7cca245956a2238afbc1a6552560:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tlpi
 * [new ref]         b9fc5f4852cf7cca245956a2238afbc1a6552560 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  40% (2/5)
Updating files:  60% (3/5)
Updating files:  80% (4/5)
Updating files: 100% (5/5)
Updating files: 100% (5/5), done.
HEAD is now at b9fc5f4 Update to version 240109