$ git clone -n https://src.fedoraproject.org/rpms/celestia.git /var/lib/mock/f41-build-1046773-19100/root/chroot_tmpdir/scmroot/celestia
Cloning into '/var/lib/mock/f41-build-1046773-19100/root/chroot_tmpdir/scmroot/celestia'...
$ git fetch origin 5f1b3dfb9f1b5a4400d3d4dbe0cec1b4fffd1533:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/celestia
 * [new ref]         5f1b3dfb9f1b5a4400d3d4dbe0cec1b4fffd1533 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f1b3df Rebuild (qt6)