$ git clone -n https://src.fedoraproject.org/rpms/rust-tiny-skia-path.git /var/lib/mock/f38-build-side-43-rust-devel-1418546-31459/root/chroot_tmpdir/scmroot/rust-tiny-skia-path
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1418546-31459/root/chroot_tmpdir/scmroot/rust-tiny-skia-path'...
$ git fetch origin e774cad0b1a499439f4131fbf854c6147741ceb7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tiny-skia-path
 * [new ref]         e774cad0b1a499439f4131fbf854c6147741ceb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e774cad Initial import (rhbz#2183862)