$ git clone -n https://src.fedoraproject.org/rpms/media-downloader.git /var/lib/mock/f40-build-794771-139788/root/chroot_tmpdir/scmroot/media-downloader
Cloning into '/var/lib/mock/f40-build-794771-139788/root/chroot_tmpdir/scmroot/media-downloader'...
$ git fetch origin fadf85305b6299d0483821f217b06b1559dbedc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/media-downloader
 * [new ref]         fadf85305b6299d0483821f217b06b1559dbedc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fadf853 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild