$ git clone -n https://src.fedoraproject.org/rpms/python-flask-gravatar.git /var/lib/mock/f40-build-2213653-52345/root/chroot_tmpdir/scmroot/python-flask-gravatar
Cloning into '/var/lib/mock/f40-build-2213653-52345/root/chroot_tmpdir/scmroot/python-flask-gravatar'...
$ git fetch origin 86237e4e8abdb68ca6f1812b8eed697e4d850496:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flask-gravatar
 * [new ref]         86237e4e8abdb68ca6f1812b8eed697e4d850496 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86237e4 Backport Flask >= 2.3 fix