$ git clone -n https://src.fedoraproject.org/rpms/mednafen.git /var/lib/mock/f40-build-2010378-45595/root/chroot_tmpdir/scmroot/mednafen
Cloning into '/var/lib/mock/f40-build-2010378-45595/root/chroot_tmpdir/scmroot/mednafen'...
$ git fetch origin b28bd055a0d5418f900c8ad6134219e6d2c5eaee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mednafen
 * [new ref]         b28bd055a0d5418f900c8ad6134219e6d2c5eaee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b28bd05 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild