$ git clone -n https://src.fedoraproject.org/rpms/rust-actix-http.git /var/lib/mock/f40-build-2060944-49167/root/chroot_tmpdir/scmroot/rust-actix-http
Cloning into '/var/lib/mock/f40-build-2060944-49167/root/chroot_tmpdir/scmroot/rust-actix-http'...
$ git fetch origin 835e358a27c73c5e3bcdcee2098902d4befdc6a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-actix-http
 * [new ref]         835e358a27c73c5e3bcdcee2098902d4befdc6a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 835e358 Update to version 3.4.0; Fixes RHBZ#2235545