$ git clone -n https://src.fedoraproject.org/rpms/rust-cdylib-link-lines.git /var/lib/mock/f45-build-40716-775/root/chroot_tmpdir/scmroot/rust-cdylib-link-lines
Cloning into '/var/lib/mock/f45-build-40716-775/root/chroot_tmpdir/scmroot/rust-cdylib-link-lines'...
$ git fetch origin 332359a479240d84111bbbeea73e4d64caff079c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cdylib-link-lines
 * [new ref]         332359a479240d84111bbbeea73e4d64caff079c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 332359a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild