$ git clone -n https://src.fedoraproject.org/rpms/python-check-manifest.git /var/lib/mock/f40-build-2213532-52336/root/chroot_tmpdir/scmroot/python-check-manifest
Cloning into '/var/lib/mock/f40-build-2213532-52336/root/chroot_tmpdir/scmroot/python-check-manifest'...
$ git fetch origin 4b5ce9184623e4cfe5d50bdd12ccdae411589109:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-check-manifest
 * [new ref]         4b5ce9184623e4cfe5d50bdd12ccdae411589109 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b5ce91 This package uses build, not pep517, update the BuildRequires