$ git clone -n https://src.fedoraproject.org/rpms/perl-JSON-Path.git /var/lib/mock/f45-build-24298-603/root/chroot_tmpdir/scmroot/perl-JSON-Path
Cloning into '/var/lib/mock/f45-build-24298-603/root/chroot_tmpdir/scmroot/perl-JSON-Path'...
$ git fetch origin f9caff63f4b161ce32f41eb9b4695598886bab9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-JSON-Path
 * [new ref]         f9caff63f4b161ce32f41eb9b4695598886bab9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9caff6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild