File

util/mercurial.lua @ 12301:4f1fe6eb1ddb

mod_c2s,mod_s2s: Wait for sessions to close before proceeding with shutdown steps Ensures unavailable presence and other outgoing stanzas are sent. Waiting for c2s sessions to close first before proceeding to disable and close s2s ensures that unavailable presence can go out, even if it requires dialback to complete first.
author Kim Alvefur <zash@zash.se>
date Thu, 17 Feb 2022 03:49:47 +0100
parent 10533:a6cc5b844d7b
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local lfs = require"lfs";

local hg = { };

function hg.check_id(path)
	if lfs.attributes(path, 'mode') ~= "directory" then
		return nil, "not a directory";
	end
	local hg_dirstate = io.open(path.."/.hg/dirstate");
	local hgid, hgrepo
	if hg_dirstate then
		hgid = ("%02x%02x%02x%02x%02x%02x"):format(hg_dirstate:read(6):byte(1, 6));
		hg_dirstate:close();
		local hg_changelog = io.open(path.."/.hg/store/00changelog.i");
		if hg_changelog then
			hg_changelog:seek("set", 0x20);
			hgrepo = ("%02x%02x%02x%02x%02x%02x"):format(hg_changelog:read(6):byte(1, 6));
			hg_changelog:close();
		end
	else
		local hg_archival,e = io.open(path.."/.hg_archival.txt"); -- luacheck: ignore 211/e
		if hg_archival then
			local repo = hg_archival:read("*l");
			local node = hg_archival:read("*l");
			hg_archival:close()
			hgid = node and node:match("^node: (%x%x%x%x%x%x%x%x%x%x%x%x)")
			hgrepo = repo and repo:match("^repo: (%x%x%x%x%x%x%x%x%x%x%x%x)")
		end
	end
	return hgid, hgrepo;
end

return hg;