$ git clone -n https://src.fedoraproject.org/rpms/python-journal-brief.git /var/lib/mock/f45-build-31209-651/root/chroot_tmpdir/scmroot/python-journal-brief
Cloning into '/var/lib/mock/f45-build-31209-651/root/chroot_tmpdir/scmroot/python-journal-brief'...
$ git fetch origin 7dd520bb20d93f53735eda09c8c0b808830b4d74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-journal-brief
 * [new ref]         7dd520bb20d93f53735eda09c8c0b808830b4d74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7dd520b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild