$ git clone -n https://src.fedoraproject.org/rpms/perl-Spreadsheet-WriteExcel.git /var/lib/mock/f41-build-1146556-21197/root/chroot_tmpdir/scmroot/perl-Spreadsheet-WriteExcel
Cloning into '/var/lib/mock/f41-build-1146556-21197/root/chroot_tmpdir/scmroot/perl-Spreadsheet-WriteExcel'...
$ git fetch origin 0bf5780f6361eeb28f37683adfb3ce9968cd7a23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Spreadsheet-WriteExcel
 * [new ref]         0bf5780f6361eeb28f37683adfb3ce9968cd7a23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bf5780 Eliminate use of obsolete %patchN syntax (#2283636)