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util.human.io: Prefer using the $COLUMNS environment variable if set (by readline)

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Feels like it should be faster.
This commit is contained in:
Kim Alvefur 2023-04-07 13:42:20 +02:00
parent d73eaf9e5e
commit 9760019a25
2 changed files with 3 additions and 1 deletions
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2
util/human/io.lua
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@ -109,6 +109,8 @@ if utf8.len and utf8.offset then
end
local function term_width(default)
local env_cols = os.getenv "COLUMNS";
if env_cols then return env_cols; end
local stty = io.popen("stty -a");
if not stty then return default; end
local result = stty:read("*a");

2
util/prosodyctl/shell.lua
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@ -30,7 +30,7 @@ local function read_line(prompt_string)
end
local function send_line(client, line)
client.send(st.stanza("repl-input", { width = os.getenv "COLUMNS" or term_width() }):text(line));
client.send(st.stanza("repl-input", { width = term_width() }):text(line));
end
local function repl(client)