$ git clone -n https://src.fedoraproject.org/rpms/rust-dissimilar.git /var/lib/mock/f39-build-1517006-35673/root/chroot_tmpdir/scmroot/rust-dissimilar
Cloning into '/var/lib/mock/f39-build-1517006-35673/root/chroot_tmpdir/scmroot/rust-dissimilar'...
$ git fetch origin 7ad8e33e4209c283c8daa98f35a2cf7c6e37930b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dissimilar
 * [new ref]         7ad8e33e4209c283c8daa98f35a2cf7c6e37930b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ad8e33 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild