$ git clone -n https://src.fedoraproject.org/rpms/perl-MojoX-JSON-RPC.git /var/lib/mock/f45-build-24955-607/root/chroot_tmpdir/scmroot/perl-MojoX-JSON-RPC
Cloning into '/var/lib/mock/f45-build-24955-607/root/chroot_tmpdir/scmroot/perl-MojoX-JSON-RPC'...
$ git fetch origin 325a6a40ac774d01d0cf1c5c008184048f9b3b75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MojoX-JSON-RPC
 * [new ref]         325a6a40ac774d01d0cf1c5c008184048f9b3b75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 325a6a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild