From 67509f371ad0116a6c13b6f715d9bd3f769e6807 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Sun, 3 Jan 2010 03:36:40 +0000 Subject: prosodyctl: Gracefully handle a missing stty command, and fall back to ANSI escape sequences --- prosodyctl | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) (limited to 'prosodyctl') diff --git a/prosodyctl b/prosodyctl index 522ebde9..a44dfada 100755 --- a/prosodyctl +++ b/prosodyctl @@ -137,18 +137,33 @@ function show_usage(usage, desc) end local function getchar(n) - os.execute("stty raw -echo"); - local ok, char = pcall(io.read, n or 1); - os.execute("stty sane"); + local stty_ret = os.execute("stty raw -echo 2>/dev/null"); + local ok, char; + if stty_ret == 0 then + ok, char = pcall(io.read, n or 1); + os.execute("stty sane"); + else + ok, char = pcall(io.read, "*l"); + if ok then + char = char:sub(1, n or 1); + end + end if ok then return char; end end local function getpass() - os.execute("stty -echo"); + local stty_ret = os.execute("stty -echo 2>/dev/null"); + if stty_ret ~= 0 then + io.write("\027[08m"); -- ANSI 'hidden' text attribute + end local ok, pass = pcall(io.read, "*l"); - os.execute("stty sane"); + if stty_ret == 0 then + os.execute("stty sane"); + else + io.write("\027[00m"); + end io.write("\n"); if ok then return pass; -- cgit v1.2.3