$ git clone -n https://src.fedoraproject.org/rpms/python-openapi-core.git /var/lib/mock/f39-build-1764676-41501/root/chroot_tmpdir/scmroot/python-openapi-core
Cloning into '/var/lib/mock/f39-build-1764676-41501/root/chroot_tmpdir/scmroot/python-openapi-core'...
$ git fetch origin bcd6bb58fd10e475b9301d05db889cc528293a7c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-openapi-core
 * [new ref]         bcd6bb58fd10e475b9301d05db889cc528293a7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcd6bb5 Update to 0.18.2 (close RHBZ#2248158)