$ git clone -n https://src.fedoraproject.org/rpms/rust-v_frame.git /var/lib/mock/f40-build-2040634-48371/root/chroot_tmpdir/scmroot/rust-v_frame
Cloning into '/var/lib/mock/f40-build-2040634-48371/root/chroot_tmpdir/scmroot/rust-v_frame'...
$ git fetch origin 41f5bc6ff98f29ee18476d7fd86777265b493f1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-v_frame
 * [new ref]         41f5bc6ff98f29ee18476d7fd86777265b493f1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41f5bc6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild