$ git clone -n https://src.fedoraproject.org/rpms/blurhash-cpp.git /var/lib/mock/f40-build-789750-135974/root/chroot_tmpdir/scmroot/blurhash-cpp
Cloning into '/var/lib/mock/f40-build-789750-135974/root/chroot_tmpdir/scmroot/blurhash-cpp'...
$ git fetch origin 0c554334b4d8678a06ec2cedfc48beb63422c6bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blurhash-cpp
 * [new ref]         0c554334b4d8678a06ec2cedfc48beb63422c6bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c55433 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild