$ git clone -n https://src.fedoraproject.org/rpms/rust-pulldown-cmark.git /var/lib/mock/f41-build-818769-151235/root/chroot_tmpdir/scmroot/rust-pulldown-cmark
Cloning into '/var/lib/mock/f41-build-818769-151235/root/chroot_tmpdir/scmroot/rust-pulldown-cmark'...
$ git fetch origin d1eeec16b6c10ef26cf69b4d1566be35cf99a6dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pulldown-cmark
 * [new ref]         d1eeec16b6c10ef26cf69b4d1566be35cf99a6dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1eeec1 Update to version 0.11.0