$ git clone -n https://src.fedoraproject.org/rpms/perl-Mason-Tidy.git /var/lib/mock/f41-build-1053479-19286/root/chroot_tmpdir/scmroot/perl-Mason-Tidy
Cloning into '/var/lib/mock/f41-build-1053479-19286/root/chroot_tmpdir/scmroot/perl-Mason-Tidy'...
$ git fetch origin f5fd827306b0c984ac12176e9f4f939c57dd5ddb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Mason-Tidy
 * [new ref]         f5fd827306b0c984ac12176e9f4f939c57dd5ddb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5fd827 Eliminate use of obsolete %patchN syntax (#2283636)