$ git clone -n https://src.fedoraproject.org/rpms/rust-indexmap.git /var/lib/mock/f43-build-side-111042-59206024-6571862/root/chroot_tmpdir/scmroot/rust-indexmap
Cloning into '/var/lib/mock/f43-build-side-111042-59206024-6571862/root/chroot_tmpdir/scmroot/rust-indexmap'...
$ git fetch origin df31358f9f1e08774badec522ba21a7b657caace:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-indexmap
 * [new ref]         df31358f9f1e08774badec522ba21a7b657caace -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df31358 Update to version 2.9.0; Fixes RHBZ#2351181