#!/bin/sh
file="$1"
line="$2"

echo "$(date) file='$file' line='$line'" >> ~/.debug

for sock in /run/user/$(id -u)/nvim.*.0; do
    [ -S "$sock" ] || continue
    result=$(nvim --server "$sock" --remote-expr "bufnr('$file')" 2>&1)
    echo "  sock='$sock' bufnr='$result'" >> ~/.debug
    if [ "$result" != "-1" ] && [ -n "$result" ]; then
        out=$(nvim --server "$sock" --remote-expr "execute('b +$line $file | normal! zz')" 2>&1)
        echo "  -> sent, result='$out'" >> ~/.debug
        exit 0
    fi
done

echo "  -> no match found" >> ~/.debug