$ git clone -n https://src.fedoraproject.org/rpms/libXNVCtrl.git /var/lib/mock/f40-build-785491-133957/root/chroot_tmpdir/scmroot/libXNVCtrl
Cloning into '/var/lib/mock/f40-build-785491-133957/root/chroot_tmpdir/scmroot/libXNVCtrl'...
$ git fetch origin 21d96d86a24131198a7da9f5d68e996516f1aa7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libXNVCtrl
 * [new ref]         21d96d86a24131198a7da9f5d68e996516f1aa7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21d96d8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild