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prosodyctl: Gracefully handle a missing stty command, and fall back to ANSI escape sequences

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This commit is contained in:
Matthew Wild 2010-01-03 03:36:40 +00:00
parent 3f619ace4b
commit 8cf7e1121b
1 changed files with 20 additions and 5 deletions
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25
prosodyctl
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@ -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;