$ git clone -n https://src.fedoraproject.org/rpms/rust-gtk4-macros0.6.git /var/lib/mock/f38-build-side-43-rust-devel-1421911-31465/root/chroot_tmpdir/scmroot/rust-gtk4-macros0.6
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1421911-31465/root/chroot_tmpdir/scmroot/rust-gtk4-macros0.6'...
$ git fetch origin 31a0a9680cb32aeaa6fa2a576d0c06652d39ae6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gtk4-macros0.6
 * [new ref]         31a0a9680cb32aeaa6fa2a576d0c06652d39ae6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31a0a96 Initial import (gtk4-macros 0.6 compat package)