ejabberdsql2prosody: rename variable 'host' to prevent shadowing upvalue [luacheck]

Functions roster(), roster_pending(), roster_group(), private_storage() and
offline_msg() have argument named "host", which used to shadow upvalue of this
variable before this change. Instead of renaming this argument, let's rename
the variable to match what the script says in usage:

   Usage: ejabberdsql2prosody.lua filename.txt hostname

1 files changed, 15 insertions, 15 deletions

diff --git a/tools/ejabberdsql2prosody.lua b/tools/ejabberdsql2prosody.lua
index be42f256a..f65ada6f5 100644
--- a/tools/ejabberdsql2prosody.lua
+++ b/tools/ejabberdsql2prosody.lua
@@ -172,9 +172,9 @@ return readFile(filename);
 ------
 end
 
-local arg, host = ...;
+local arg, hostname = ...;
 local help = "/? -? ? /h -h /help -help --help";
-if not(arg and host) or help:find(arg, 1, true) then
+if not(arg and hostname) or help:find(arg, 1, true) then
 	print([[ejabberd SQL DB dump importer for Prosody
 
   Usage: ejabberdsql2prosody.lua filename.txt hostname
@@ -217,8 +217,8 @@ end
 
 for _, row in ipairs(t["users"] or NULL) do
 	local node, password = row.username, row.password;
-	local ret, err = dm.store(node, host, "accounts", {password = password});
-	print("["..(err or "success").."] accounts: "..node.."@"..host);
+	local ret, err = dm.store(node, hostname, "accounts", {password = password});
+	print("["..(err or "success").."] accounts: "..node.."@"..hostname);
 end
 
 function roster(node, host, jid, item)
@@ -274,33 +274,33 @@ for _, row in ipairs(t["rosterusers"] or NULL) do
 	elseif ask == "O" then
 		ask = "subscribe";
 	elseif ask == "I" then
-		roster_pending(node, host, contact);
+		roster_pending(node, hostname, contact);
 		ask = nil;
 	elseif ask == "B" then
-		roster_pending(node, host, contact);
+		roster_pending(node, hostname, contact);
 		ask = "subscribe";
 	else error("Unknown ask type: "..ask); end
 	local item = {name = name, ask = ask, subscription = subscription, groups = {}};
-	roster(node, host, contact, item);
+	roster(node, hostname, contact, item);
 end
 for _, row in ipairs(t["rostergroups"] or NULL) do
-	roster_group(row.username, host, row.jid, row.grp);
+	roster_group(row.username, hostname, row.jid, row.grp);
 end
 for _, row in ipairs(t["vcard"] or NULL) do
 	local stanza, err = parse_xml(row.vcard);
 	if stanza then
-		local ret, err = dm.store(row.username, host, "vcard", st.preserialize(stanza));
-		print("["..(err or "success").."] vCard: "..row.username.."@"..host);
+		local ret, err = dm.store(row.username, hostname, "vcard", st.preserialize(stanza));
+		print("["..(err or "success").."] vCard: "..row.username.."@"..hostname);
 	else
-		print("[error] vCard XML parse failed: "..row.username.."@"..host);
+		print("[error] vCard XML parse failed: "..row.username.."@"..hostname);
 	end
 end
 for _, row in ipairs(t["private_storage"] or NULL) do
 	local stanza, err = parse_xml(row.data);
 	if stanza then
-		private_storage(row.username, host, row.namespace, stanza);
+		private_storage(row.username, hostname, row.namespace, stanza);
 	else
-		print("[error] Private XML parse failed: "..row.username.."@"..host);
+		print("[error] Private XML parse failed: "..row.username.."@"..hostname);
 	end
 end
 table.sort(t["spool"] or NULL, function(a,b) return a.seq < b.seq; end); -- sort by sequence number, just in case
@@ -317,8 +317,8 @@ for _, row in ipairs(t["spool"] or NULL) do
 		if last_child.name ~= "x" and last_child.attr.xmlns ~= "jabber:x:delay" then error("Last child of offline message is not a timestamp"); end
 		stanza[#stanza], stanza.tags[#stanza.tags] = nil, nil;
 		local t = date_parse(last_child.attr.stamp);
-		offline_msg(row.username, host, t, stanza);
+		offline_msg(row.username, hostname, t, stanza);
 	else
-		print("[error] Offline message XML parsing failed: "..row.username.."@"..host);
+		print("[error] Offline message XML parsing failed: "..row.username.."@"..hostname);
 	end
 end