$ git clone -n https://src.fedoraproject.org/rpms/rust-pango0.16.git /var/lib/mock/f38-build-side-43-rust-devel-1412009-31436/root/chroot_tmpdir/scmroot/rust-pango0.16
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1412009-31436/root/chroot_tmpdir/scmroot/rust-pango0.16'...
$ git fetch origin ca21f1db17e9a44250ff72bad01204ce2535d4fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pango0.16
 * [new ref]         ca21f1db17e9a44250ff72bad01204ce2535d4fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca21f1d Initial import (pango 0.16 compat package)