$ git clone -n https://src.fedoraproject.org/rpms/mellowplayer.git /var/lib/mock/f38-build-718644-96745/root/chroot_tmpdir/scmroot/mellowplayer
Cloning into '/var/lib/mock/f38-build-718644-96745/root/chroot_tmpdir/scmroot/mellowplayer'...
$ git fetch origin 9a2d23d7823285651c0d6c4820b2a531e8418acf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mellowplayer
 * [new ref]         9a2d23d7823285651c0d6c4820b2a531e8418acf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a2d23d Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild