$ git clone -n https://src.fedoraproject.org/rpms/rust-http-auth.git /var/lib/mock/f40-build-2427887-60603/root/chroot_tmpdir/scmroot/rust-http-auth
Cloning into '/var/lib/mock/f40-build-2427887-60603/root/chroot_tmpdir/scmroot/rust-http-auth'...
$ git fetch origin 0bec26aaa6044cd5b67c434079732c8a4e131bc5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-http-auth
 * [new ref]         0bec26aaa6044cd5b67c434079732c8a4e131bc5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bec26a Update to version 0.1.9; Fixes RHBZ#2256100