$ git clone -n https://src.fedoraproject.org/rpms/rust-strum_macros.git /var/lib/mock/f38-build-side-43-rust-devel-1409864-31406/root/chroot_tmpdir/scmroot/rust-strum_macros
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1409864-31406/root/chroot_tmpdir/scmroot/rust-strum_macros'...
$ git fetch origin 838448d618c9a91556b541794ed59c46ef9db18e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-strum_macros
 * [new ref]         838448d618c9a91556b541794ed59c46ef9db18e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 838448d Update to version 0.25.2; Fixes RHBZ#2229555