$ git clone -n https://src.fedoraproject.org/rpms/perl-Smart-Comments.git /var/lib/mock/f39-build-1434876-31958/root/chroot_tmpdir/scmroot/perl-Smart-Comments
Cloning into '/var/lib/mock/f39-build-1434876-31958/root/chroot_tmpdir/scmroot/perl-Smart-Comments'...
$ git fetch origin df8df62b1579a8c67c9e2c43ff280a4c49484a5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Smart-Comments
 * [new ref]         df8df62b1579a8c67c9e2c43ff280a4c49484a5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df8df62 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild