$ git clone -n https://src.fedoraproject.org/rpms/rust-xkbcommon0.4.git /var/lib/mock/f41-build-side-1-2816532-32968/root/chroot_tmpdir/scmroot/rust-xkbcommon0.4
Cloning into '/var/lib/mock/f41-build-side-1-2816532-32968/root/chroot_tmpdir/scmroot/rust-xkbcommon0.4'...
$ git fetch origin 08eefc51db1f0250a9fc7a9fe291d14fd65c6f98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-xkbcommon0.4
 * [new ref]         08eefc51db1f0250a9fc7a9fe291d14fd65c6f98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08eefc5 compat package no longer needed