$ git clone -n https://src.fedoraproject.org/rpms/rust-pulldown-cmark.git /var/lib/mock/f38-build-side-43-rust-devel-1398987-31119/root/chroot_tmpdir/scmroot/rust-pulldown-cmark
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1398987-31119/root/chroot_tmpdir/scmroot/rust-pulldown-cmark'...
$ git fetch origin afb15ecaa723aa2f3f53fd3b05a12971a2d7b56d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pulldown-cmark
 * [new ref]         afb15ecaa723aa2f3f53fd3b05a12971a2d7b56d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afb15ec Update to version 0.9.3; Fixes RHBZ#2208859