$ git clone -n https://src.fedoraproject.org/rpms/python-starlette.git /var/lib/mock/f40-build-2677143-67882/root/chroot_tmpdir/scmroot/python-starlette
Cloning into '/var/lib/mock/f40-build-2677143-67882/root/chroot_tmpdir/scmroot/python-starlette'...
$ git fetch origin 2c3a9667eac5d361a23f1a94cee6f4c91fe12024:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-starlette
 * [new ref]         2c3a9667eac5d361a23f1a94cee6f4c91fe12024 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c3a966 Update to 0.37.2 (close RHBZ#2259992)