$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-IDN-Encode.git /var/lib/mock/f39-build-1438897-32225/root/chroot_tmpdir/scmroot/perl-Net-IDN-Encode
Cloning into '/var/lib/mock/f39-build-1438897-32225/root/chroot_tmpdir/scmroot/perl-Net-IDN-Encode'...
$ git fetch origin 9c1ecfb6987ec120b37d807a020c3064eb80e2e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-IDN-Encode
 * [new ref]         9c1ecfb6987ec120b37d807a020c3064eb80e2e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c1ecfb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild