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xep2md: Warn if lua-yaml is missing

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Since this does not carry the full metadata needed to roundtrip the
document, which can be fine if you're using the markdown for something
else.
This commit is contained in:
Kim Alvefur 2021-03-02 17:42:20 +01:00
parent e6afb36d92
commit 297511b1cd
1 changed files with 4 additions and 1 deletions
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5
tools/xep2md.lua
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@ -172,6 +172,7 @@ end);
local lxp = require "lxp";
local lom = require "lxp.lom";
local events = require"util.events".new();
local have_yaml, yaml = pcall(require, "lyaml");
local handler = {};
local stack = {};
@ -350,7 +351,6 @@ events.add_handler("header/", function (event)
if meta.title and meta.number then
meta.title = "XEP-"..meta.number..": "..meta.title;
end
local have_yaml, yaml = pcall(require, "lyaml");
if have_yaml and yaml.dump then
output(yaml.dump({meta}));
else
@ -612,6 +612,9 @@ local function chunks(file, size)
end
end
if not have_yaml then
io.stderr:write("lua-yaml missing, header metadata will be incomplete\n");
end
for chunk in chunks(io.stdin, 4096) do
local ok, err, line, col = parser:parse(chunk);
if not ok then