$ git clone -n https://src.fedoraproject.org/rpms/mdevctl.git /var/lib/mock/f39-build-1577307-37959/root/chroot_tmpdir/scmroot/mdevctl
Cloning into '/var/lib/mock/f39-build-1577307-37959/root/chroot_tmpdir/scmroot/mdevctl'...
$ git fetch origin 9a428f1b06128573e154781668d6e1303a81c88f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mdevctl
 * [new ref]         9a428f1b06128573e154781668d6e1303a81c88f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a428f1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild