$ git clone -n https://src.fedoraproject.org/rpms/mingw-log4c.git /var/lib/mock/f45-build-18595-523/root/chroot_tmpdir/scmroot/mingw-log4c
Cloning into '/var/lib/mock/f45-build-18595-523/root/chroot_tmpdir/scmroot/mingw-log4c'...
$ git fetch origin 83f13daa0339db505767aaf0605c17c2d0a416f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-log4c
 * [new ref]         83f13daa0339db505767aaf0605c17c2d0a416f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83f13da Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild