$ git clone -n https://src.fedoraproject.org/rpms/xmvn-generator.git /var/lib/mock/f40-build-2403210-60556/root/chroot_tmpdir/scmroot/xmvn-generator
Cloning into '/var/lib/mock/f40-build-2403210-60556/root/chroot_tmpdir/scmroot/xmvn-generator'...
$ git fetch origin 2804e69bd941470dd5a1ff7f28f4d102b09276d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmvn-generator
 * [new ref]         2804e69bd941470dd5a1ff7f28f4d102b09276d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  92% (12/13)
Updating files: 100% (13/13)
Updating files: 100% (13/13), done.
HEAD is now at 2804e69 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild