$ git clone -n https://src.fedoraproject.org/rpms/python-openapi-core.git /var/lib/mock/f38-build-side-42-init-devel-793946-28025/root/chroot_tmpdir/scmroot/python-openapi-core
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-793946-28025/root/chroot_tmpdir/scmroot/python-openapi-core'...
$ git fetch origin bfd9332b021c288b1c6016d2a278d613adb5e978:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-openapi-core
 * [new ref]         bfd9332b021c288b1c6016d2a278d613adb5e978 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfd9332 Update to 0.17.1 (close RHBZ#2175776)