$ git clone -n https://src.fedoraproject.org/rpms/pygobject2.git /var/lib/mock/f40-build-746173-112483/root/chroot_tmpdir/scmroot/pygobject2
Cloning into '/var/lib/mock/f40-build-746173-112483/root/chroot_tmpdir/scmroot/pygobject2'...
$ git fetch origin 68e4e0f76afce3765c46e2df08f3555b9bb19fc7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pygobject2
 * [new ref]         68e4e0f76afce3765c46e2df08f3555b9bb19fc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68e4e0f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild