$ git clone -n https://src.fedoraproject.org/rpms/python-holidays.git /var/lib/mock/f45-build-30962-648/root/chroot_tmpdir/scmroot/python-holidays
Cloning into '/var/lib/mock/f45-build-30962-648/root/chroot_tmpdir/scmroot/python-holidays'...
$ git fetch origin 36f2b55d2c490527a2e97d62d15d91005fe282f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-holidays
 * [new ref]         36f2b55d2c490527a2e97d62d15d91005fe282f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36f2b55 Update to 0.103 upstream release