$ git clone -n https://src.fedoraproject.org/rpms/rust-cursive_core0.2.git /var/lib/mock/f41-build-side-1-3008216-36778/root/chroot_tmpdir/scmroot/rust-cursive_core0.2
Cloning into '/var/lib/mock/f41-build-side-1-3008216-36778/root/chroot_tmpdir/scmroot/rust-cursive_core0.2'...
$ git fetch origin bf19c59ba291553e77540f7c06ebcf1b0dc900ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cursive_core0.2
 * [new ref]         bf19c59ba291553e77540f7c06ebcf1b0dc900ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf19c59 Backport upstream patch to fix tests with unicode-width >= 0.1.13