$ git clone -n https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Gather.git /var/lib/mock/f40-build-2630741-65700/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Gather
Cloning into '/var/lib/mock/f40-build-2630741-65700/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Gather'...
$ git fetch origin cdd771ade8216752fe224b576dca7e80af837d11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Gather
 * [new ref]         cdd771ade8216752fe224b576dca7e80af837d11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdd771a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild