$ git clone -n https://src.fedoraproject.org/rpms/perl-Cpanel-JSON-XS.git /var/lib/mock/f40-build-731766-104580/root/chroot_tmpdir/scmroot/perl-Cpanel-JSON-XS
Cloning into '/var/lib/mock/f40-build-731766-104580/root/chroot_tmpdir/scmroot/perl-Cpanel-JSON-XS'...
$ git fetch origin 457a01e3797f2ebe5ad5f61f039b5758ef35c2df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Cpanel-JSON-XS
 * [new ref]         457a01e3797f2ebe5ad5f61f039b5758ef35c2df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 457a01e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild