$ git clone -n https://src.fedoraproject.org/rpms/rust-heatseeker.git /var/lib/mock/f40-build-780294-130915/root/chroot_tmpdir/scmroot/rust-heatseeker
Cloning into '/var/lib/mock/f40-build-780294-130915/root/chroot_tmpdir/scmroot/rust-heatseeker'...
$ git fetch origin a46472ba8972a9ef794bd93ec875d604a643737e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-heatseeker
 * [new ref]         a46472ba8972a9ef794bd93ec875d604a643737e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a46472b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild