$ git clone -n https://src.fedoraproject.org/rpms/rust-opaque-debug.git /var/lib/mock/f40-build-2038269-48165/root/chroot_tmpdir/scmroot/rust-opaque-debug
Cloning into '/var/lib/mock/f40-build-2038269-48165/root/chroot_tmpdir/scmroot/rust-opaque-debug'...
$ git fetch origin 2d58ebf17496f03af2659470eea7d0068de7407c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-opaque-debug
 * [new ref]         2d58ebf17496f03af2659470eea7d0068de7407c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d58ebf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild