$ git clone -n https://src.fedoraproject.org/rpms/merkuro.git /var/lib/mock/f40-build-2506333-61702/root/chroot_tmpdir/scmroot/merkuro
Cloning into '/var/lib/mock/f40-build-2506333-61702/root/chroot_tmpdir/scmroot/merkuro'...
$ git fetch origin 88d4992206327dfbcf938a5d109ff1892a775b9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/merkuro
 * [new ref]         88d4992206327dfbcf938a5d109ff1892a775b9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88d4992 24.02.0