$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Format-Excel.git /var/lib/mock/f41-build-800462-13676/root/chroot_tmpdir/scmroot/perl-DateTime-Format-Excel
Cloning into '/var/lib/mock/f41-build-800462-13676/root/chroot_tmpdir/scmroot/perl-DateTime-Format-Excel'...
$ git fetch origin 68d247ed49aeaaa331213de49a64f108ac0c2ddf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Format-Excel
 * [new ref]         68d247ed49aeaaa331213de49a64f108ac0c2ddf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68d247e Eliminate use of obsolete %patchN syntax (#2283636)