$ git clone -n https://src.fedoraproject.org/rpms/glpk.git /var/lib/mock/f45-build-11315-429/root/chroot_tmpdir/scmroot/glpk
Cloning into '/var/lib/mock/f45-build-11315-429/root/chroot_tmpdir/scmroot/glpk'...
$ git fetch origin 2f25ac1417ccd1a9e2773d63800d50a2ab326ede:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/glpk
 * [new ref]         2f25ac1417ccd1a9e2773d63800d50a2ab326ede -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f25ac1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild