$ git clone -n https://src.fedoraproject.org/rpms/perl-JSON-Path.git /var/lib/mock/f40-build-2222116-52699/root/chroot_tmpdir/scmroot/perl-JSON-Path
Cloning into '/var/lib/mock/f40-build-2222116-52699/root/chroot_tmpdir/scmroot/perl-JSON-Path'...
$ git fetch origin 228365c68c3703c5ddbe7b345d9e282980c4743d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-JSON-Path
 * [new ref]         228365c68c3703c5ddbe7b345d9e282980c4743d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 228365c Update to 1.0.4