$ git clone -n https://src.fedoraproject.org/rpms/relaxng-datatype-java.git /var/lib/mock/f40-build-2366919-60380/root/chroot_tmpdir/scmroot/relaxng-datatype-java
Cloning into '/var/lib/mock/f40-build-2366919-60380/root/chroot_tmpdir/scmroot/relaxng-datatype-java'...
$ git fetch origin ba330a326b3a045cdc719d64e90adeac3794e074:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/relaxng-datatype-java
 * [new ref]         ba330a326b3a045cdc719d64e90adeac3794e074 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba330a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild