$ git clone -n https://src.fedoraproject.org/rpms/perl-PerlIO-buffersize.git /var/lib/mock/f40-build-779522-130366/root/chroot_tmpdir/scmroot/perl-PerlIO-buffersize
Cloning into '/var/lib/mock/f40-build-779522-130366/root/chroot_tmpdir/scmroot/perl-PerlIO-buffersize'...
$ git fetch origin cf8b6088802ea8e56de6687f1ec9efb0c9c91a38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PerlIO-buffersize
 * [new ref]         cf8b6088802ea8e56de6687f1ec9efb0c9c91a38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf8b608 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild