$ git clone -n https://src.fedoraproject.org/rpms/rust-actix-web.git /var/lib/mock/f40-build-2657306-66916/root/chroot_tmpdir/scmroot/rust-actix-web
Cloning into '/var/lib/mock/f40-build-2657306-66916/root/chroot_tmpdir/scmroot/rust-actix-web'...
$ git fetch origin ab4d0e925f65c6920011806410b05d02fbb46abb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-actix-web
 * [new ref]         ab4d0e925f65c6920011806410b05d02fbb46abb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab4d0e9 Update to version 4.4.1; Fixes RHBZ#2255758