$ git clone -n https://src.fedoraproject.org/rpms/perl-JSON-Any.git /var/lib/mock/f40-build-2305306-57077/root/chroot_tmpdir/scmroot/perl-JSON-Any
Cloning into '/var/lib/mock/f40-build-2305306-57077/root/chroot_tmpdir/scmroot/perl-JSON-Any'...
$ git fetch origin 58e6b499eb147ee7759b26258fff8f8cc23900a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-JSON-Any
 * [new ref]         58e6b499eb147ee7759b26258fff8f8cc23900a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58e6b49 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild