$ git clone -n https://src.fedoraproject.org/rpms/rust-multer.git /var/lib/mock/f40-build-1524125-23919/root/chroot_tmpdir/scmroot/rust-multer
Cloning into '/var/lib/mock/f40-build-1524125-23919/root/chroot_tmpdir/scmroot/rust-multer'...
$ git fetch origin 04868de0608ec1a4d3b9b781b36e525c6168c7a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-multer
 * [new ref]         04868de0608ec1a4d3b9b781b36e525c6168c7a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04868de Update to version 3.1.0; Fixes RHBZ#2279027