$ git clone -n https://src.fedoraproject.org/rpms/rust-uucore.git /var/lib/mock/f40-build-2040573-48366/root/chroot_tmpdir/scmroot/rust-uucore
Cloning into '/var/lib/mock/f40-build-2040573-48366/root/chroot_tmpdir/scmroot/rust-uucore'...
$ git fetch origin 7218a5d06dc172d1951184ba3a375ba3fdda9dca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uucore
 * [new ref]         7218a5d06dc172d1951184ba3a375ba3fdda9dca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7218a5d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild