$ git clone -n https://src.fedoraproject.org/rpms/golang-gopkg-natefinch-lumberjack-2.git /var/lib/mock/f40-build-2002725-44751/root/chroot_tmpdir/scmroot/golang-gopkg-natefinch-lumberjack-2
Cloning into '/var/lib/mock/f40-build-2002725-44751/root/chroot_tmpdir/scmroot/golang-gopkg-natefinch-lumberjack-2'...
$ git fetch origin 9f0a8e5ec2ac67f82b423224304e47aa03402f9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gopkg-natefinch-lumberjack-2
 * [new ref]         9f0a8e5ec2ac67f82b423224304e47aa03402f9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f0a8e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild