$ git clone -n https://src.fedoraproject.org/rpms/rust-passwd.git /var/lib/mock/f40-build-2715077-72401/root/chroot_tmpdir/scmroot/rust-passwd
Cloning into '/var/lib/mock/f40-build-2715077-72401/root/chroot_tmpdir/scmroot/rust-passwd'...
$ git fetch origin 3871438b82fb1b77a82de3c80d7bd4916358d3b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-passwd
 * [new ref]         3871438b82fb1b77a82de3c80d7bd4916358d3b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3871438 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild