$ git clone -n https://src.fedoraproject.org/rpms/perl-JSON-RPC.git /var/lib/mock/f40-build-2625844-65220/root/chroot_tmpdir/scmroot/perl-JSON-RPC
Cloning into '/var/lib/mock/f40-build-2625844-65220/root/chroot_tmpdir/scmroot/perl-JSON-RPC'...
$ git fetch origin 1c1a76b77ae7712ba58c42e4b3b6c18f52ef5e25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-JSON-RPC
 * [new ref]         1c1a76b77ae7712ba58c42e4b3b6c18f52ef5e25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c1a76b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild