$ git clone -n https://src.fedoraproject.org/rpms/rust-freedesktop-icons.git /var/lib/mock/f41-build-side-110758-59082159-6570932/root/chroot_tmpdir/scmroot/rust-freedesktop-icons
Cloning into '/var/lib/mock/f41-build-side-110758-59082159-6570932/root/chroot_tmpdir/scmroot/rust-freedesktop-icons'...
$ git fetch origin c5cfc21df5d8f1bb6558d004b2f4645b0a065a1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-freedesktop-icons
 * [new ref]         c5cfc21df5d8f1bb6558d004b2f4645b0a065a1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5cfc21 Update to 0.4.0; Fixes: RHBZ#2360052