File 3206-erl_docgen-Better-missing-module-fault-ind... of Package erlang

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File 3206-erl_docgen-Better-missing-module-fault-indication.patch of Package erlang

From 2568aeae8a4bcd2180b7db55c04d4c37d4df9f5e Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Wed, 17 Nov 2021 13:43:00 +0100
Subject: [PATCH 6/7] erl_docgen: Better missing module fault indication

If the app or module are incorrect we should return a nice
printout and not just crash when runnig make xmllint
---
 .../priv/bin/validate_links.escript           | 21 ++++++++++++-------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/lib/erl_docgen/priv/bin/validate_links.escript b/lib/erl_docgen/priv/bin/validate_links.escript
index a11350ad2f..db368bea73 100755
--- a/lib/erl_docgen/priv/bin/validate_links.escript
+++ b/lib/erl_docgen/priv/bin/validate_links.escript
@@ -231,14 +231,19 @@ validate_link(Filename, "seemfa", Line, Link, CachedFiles) ->
                     try list_to_integer(Arity) of
                         _ ->
                             MF = App ++ ":" ++ Mod ++ "#" ++ Func,
-                            Funcs = maps:get(funcs,maps:get({App,Mod},CachedFiles)),
-                            case lists:member({Func,Arity},Funcs) of
-                                true ->
-                                    validate_type(Line, "seemfa",
-                                                  read_link(Line, ParsedLink, CachedFiles));
-                                false ->
-                                    fail(Line, "Could not find documentation for ~s when "
-                                         "resolving link",[MF  ++ "/" ++ Arity])
+                            case maps:find({App,Mod},CachedFiles) of
+                                error ->
+                                    fail(Line, "Could not find ~ts in ~ts", [Mod, App]);
+                                {ok, ModInfo} ->
+                                    Funcs = maps:get(funcs,ModInfo),
+                                    case lists:member({Func,Arity},Funcs) of
+                                        true ->
+                                            validate_type(Line, "seemfa",
+                                                          read_link(Line, ParsedLink, CachedFiles));
+                                        false ->
+                                            fail(Line, "Could not find documentation for ~s when "
+                                                 "resolving link",[MF  ++ "/" ++ Arity])
+                                    end
                             end
                     catch _:_ ->
                             fail(Line, "Invalid arity for seemfa. "
-- 
2.31.1

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File 3206-erl_docgen-Better-missing-module-fault-indication.patch of Package erlang

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