$ git clone -n https://src.fedoraproject.org/rpms/rust-writeable.git /var/lib/mock/f42-build-3252942-41225/root/chroot_tmpdir/scmroot/rust-writeable
Cloning into '/var/lib/mock/f42-build-3252942-41225/root/chroot_tmpdir/scmroot/rust-writeable'...
$ git fetch origin dbc634477291bfc9172398e2b78e6448797804ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-writeable
 * [new ref]         dbc634477291bfc9172398e2b78e6448797804ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbc6344 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild