$ git clone -n https://src.fedoraproject.org/rpms/python-nbclassic.git /var/lib/mock/f40-build-2106490-50593/root/chroot_tmpdir/scmroot/python-nbclassic
Cloning into '/var/lib/mock/f40-build-2106490-50593/root/chroot_tmpdir/scmroot/python-nbclassic'...
$ git fetch origin 268aef300eac6b4c56b0cf6215449e7f4dcab47a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nbclassic
 * [new ref]         268aef300eac6b4c56b0cf6215449e7f4dcab47a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 268aef3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild