$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-Escape.git /var/lib/mock/f45-build-23871-599/root/chroot_tmpdir/scmroot/perl-HTML-Escape
Cloning into '/var/lib/mock/f45-build-23871-599/root/chroot_tmpdir/scmroot/perl-HTML-Escape'...
$ git fetch origin 1634d3a0798b44e8bc6c662d97cbbf583ccdb27b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-Escape
 * [new ref]         1634d3a0798b44e8bc6c662d97cbbf583ccdb27b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1634d3a Perl 5.44 rebuild