$ git clone -n https://src.fedoraproject.org/rpms/dragon.git /var/lib/mock/f42-build-side-1-3497640-45961/root/chroot_tmpdir/scmroot/dragon
Cloning into '/var/lib/mock/f42-build-side-1-3497640-45961/root/chroot_tmpdir/scmroot/dragon'...
$ git fetch origin e4c7855a73b76e5994cd2a050c2f881e4fafeac7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dragon
 * [new ref]         e4c7855a73b76e5994cd2a050c2f881e4fafeac7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4c7855 25.04.0