$ git clone -n https://src.fedoraproject.org/rpms/rust-quick-junit.git /var/lib/mock/f41-build-768837-13481/root/chroot_tmpdir/scmroot/rust-quick-junit
Cloning into '/var/lib/mock/f41-build-768837-13481/root/chroot_tmpdir/scmroot/rust-quick-junit'...
$ git fetch origin ea0f8da53460f9519d1c9dd60f6c7c4c951b5214:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quick-junit
 * [new ref]         ea0f8da53460f9519d1c9dd60f6c7c4c951b5214 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea0f8da Update to version 0.4.0; Fixes RHBZ#2273937