$ git clone -n https://src.fedoraproject.org/rpms/rust-httparse.git /var/lib/mock/f41-build-882072-16531/root/chroot_tmpdir/scmroot/rust-httparse
Cloning into '/var/lib/mock/f41-build-882072-16531/root/chroot_tmpdir/scmroot/rust-httparse'...
$ git fetch origin bd328f69ba1dbb219c1c1123741c20f97b65cb1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-httparse
 * [new ref]         bd328f69ba1dbb219c1c1123741c20f97b65cb1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd328f6 Update to version 1.9.1; Fixes RHBZ#2291174