$ git clone -n https://src.fedoraproject.org/rpms/shotcut.git /var/lib/mock/f42-flatpak-app-build-59153669-6571325/root/chroot_tmpdir/scmroot/shotcut
Cloning into '/var/lib/mock/f42-flatpak-app-build-59153669-6571325/root/chroot_tmpdir/scmroot/shotcut'...
$ git fetch origin 8a6471d174d8b5eae184321fa80a6c6f01239e1b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shotcut
 * [new ref]         8a6471d174d8b5eae184321fa80a6c6f01239e1b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a6471d Rebuild (qt6)