$ git clone -n https://src.fedoraproject.org/rpms/rust-intl-memoizer.git /var/lib/mock/f42-build-side-1-3536540-46558/root/chroot_tmpdir/scmroot/rust-intl-memoizer
Cloning into '/var/lib/mock/f42-build-side-1-3536540-46558/root/chroot_tmpdir/scmroot/rust-intl-memoizer'...
$ git fetch origin 0a6abf99d3a209b5c34063fee0f25c9cd416c671:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-intl-memoizer
 * [new ref]         0a6abf99d3a209b5c34063fee0f25c9cd416c671 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a6abf9 Update to version 0.5.3; Fixes RHBZ#2367988