$ git clone -n https://src.fedoraproject.org/rpms/perl-Spreadsheet-WriteExcel.git /var/lib/mock/f45-build-26247-616/root/chroot_tmpdir/scmroot/perl-Spreadsheet-WriteExcel
Cloning into '/var/lib/mock/f45-build-26247-616/root/chroot_tmpdir/scmroot/perl-Spreadsheet-WriteExcel'...
$ git fetch origin 5f791b8ade71e186b2334080355a3133e96601d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Spreadsheet-WriteExcel
 * [new ref]         5f791b8ade71e186b2334080355a3133e96601d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f791b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild