$ git clone -n https://src.fedoraproject.org/rpms/rust-librsvg.git /var/lib/mock/f38-build-side-42-init-devel-1144077-30457/root/chroot_tmpdir/scmroot/rust-librsvg
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1144077-30457/root/chroot_tmpdir/scmroot/rust-librsvg'...
$ git fetch origin 9235b7ac22852f1218994d21db54f7823e283379:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-librsvg
 * [new ref]         9235b7ac22852f1218994d21db54f7823e283379 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9235b7a Drop unnecessary lopdf bump