$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Format-DateManip.git /var/lib/mock/f41-build-1250914-22988/root/chroot_tmpdir/scmroot/perl-DateTime-Format-DateManip
Cloning into '/var/lib/mock/f41-build-1250914-22988/root/chroot_tmpdir/scmroot/perl-DateTime-Format-DateManip'...
$ git fetch origin cca7a409b55de747483012c0feede0dcdb7e3cc4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Format-DateManip
 * [new ref]         cca7a409b55de747483012c0feede0dcdb7e3cc4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cca7a40 Eliminate use of obsolete %patchN syntax (#2283636)