$ git clone -n https://src.fedoraproject.org/rpms/rust-eyre.git /var/lib/mock/f40-build-2248389-53951/root/chroot_tmpdir/scmroot/rust-eyre
Cloning into '/var/lib/mock/f40-build-2248389-53951/root/chroot_tmpdir/scmroot/rust-eyre'...
$ git fetch origin 928e61910175c6f73baa90579dc2b6683f2e1967:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-eyre
 * [new ref]         928e61910175c6f73baa90579dc2b6683f2e1967 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 928e619 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild