$ git clone -n https://src.fedoraproject.org/rpms/gns3-server.git /var/lib/mock/f40-build-2443469-61117/root/chroot_tmpdir/scmroot/gns3-server
Cloning into '/var/lib/mock/f40-build-2443469-61117/root/chroot_tmpdir/scmroot/gns3-server'...
$ git fetch origin 5acfec4ae23d401c5f5ef3b19edbf195dc1147d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gns3-server
 * [new ref]         5acfec4ae23d401c5f5ef3b19edbf195dc1147d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5acfec4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild