$ git clone -n https://src.fedoraproject.org/rpms/rust-dolby_vision.git /var/lib/mock/f40-build-781267-131566/root/chroot_tmpdir/scmroot/rust-dolby_vision
Cloning into '/var/lib/mock/f40-build-781267-131566/root/chroot_tmpdir/scmroot/rust-dolby_vision'...
$ git fetch origin 393d56da0b1fbfe7eaf9f8860b2ee0ccf788891d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dolby_vision
 * [new ref]         393d56da0b1fbfe7eaf9f8860b2ee0ccf788891d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 393d56d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild