$ git clone -n https://src.fedoraproject.org/rpms/rust-actix-server.git /var/lib/mock/f45-build-39807-759/root/chroot_tmpdir/scmroot/rust-actix-server
Cloning into '/var/lib/mock/f45-build-39807-759/root/chroot_tmpdir/scmroot/rust-actix-server'...
$ git fetch origin 542ee16823e8180e286f122a09940984788cb8bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-actix-server
 * [new ref]         542ee16823e8180e286f122a09940984788cb8bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 542ee16 Update to version 2.9.4; Fixes RHBZ#2525153