$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Markdown.git /var/lib/mock/f41-build-723305-13111/root/chroot_tmpdir/scmroot/perl-Text-Markdown
Cloning into '/var/lib/mock/f41-build-723305-13111/root/chroot_tmpdir/scmroot/perl-Text-Markdown'...
$ git fetch origin fcffc606d7bc75a35028ab0fcc5030b45dd6cc03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Markdown
 * [new ref]         fcffc606d7bc75a35028ab0fcc5030b45dd6cc03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fcffc60 Eliminate use of obsolete %patchN syntax (#2283636)