$ git clone -n https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Defer.git /var/lib/mock/f40-build-779670-130430/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Defer
Cloning into '/var/lib/mock/f40-build-779670-130430/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Defer'...
$ git fetch origin 5b971586ae8adcb8178c87d88de3e4351e2ea240:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Defer
 * [new ref]         5b971586ae8adcb8178c87d88de3e4351e2ea240 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b97158 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild