$ git clone -n https://src.fedoraproject.org/rpms/rust-derive-new.git /var/lib/mock/f38-build-side-42-init-devel-1395592-31050/root/chroot_tmpdir/scmroot/rust-derive-new
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1395592-31050/root/chroot_tmpdir/scmroot/rust-derive-new'...
$ git fetch origin 49a82dc1f2206bcd285e1cb63171a7b115477e23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-derive-new
 * [new ref]         49a82dc1f2206bcd285e1cb63171a7b115477e23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49a82dc Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild