$ git clone -n https://src.fedoraproject.org/rpms/gcal.git /var/lib/mock/f40-build-2664808-67075/root/chroot_tmpdir/scmroot/gcal
Cloning into '/var/lib/mock/f40-build-2664808-67075/root/chroot_tmpdir/scmroot/gcal'...
$ git fetch origin 932c8986bdb5ddd4b160e5729bafb269470c43c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gcal
 * [new ref]         932c8986bdb5ddd4b160e5729bafb269470c43c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 932c898 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild