$ git clone -n https://src.fedoraproject.org/rpms/gnome-browser-connector.git /var/lib/mock/f40-build-734257-105821/root/chroot_tmpdir/scmroot/gnome-browser-connector
Cloning into '/var/lib/mock/f40-build-734257-105821/root/chroot_tmpdir/scmroot/gnome-browser-connector'...
$ git fetch origin 89f3fa2714b37fdd0706a1c1a29b08a5b6f9f01e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-browser-connector
 * [new ref]         89f3fa2714b37fdd0706a1c1a29b08a5b6f9f01e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89f3fa2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild