$ git clone -n https://src.fedoraproject.org/rpms/relaxng-datatype-java.git /var/lib/mock/f41-build-1764227-24713/root/chroot_tmpdir/scmroot/relaxng-datatype-java
Cloning into '/var/lib/mock/f41-build-1764227-24713/root/chroot_tmpdir/scmroot/relaxng-datatype-java'...
$ git fetch origin 606144b9c1dd0e20b006dc5a001089fb23240c42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/relaxng-datatype-java
 * [new ref]         606144b9c1dd0e20b006dc5a001089fb23240c42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 606144b Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild