# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1622311204 -7200
# Node ID 08eced3add83652196b3ba70a99503bf3921ffb6
# Parent  c0f0fca0a06c05b90d86ed8cbc6a7f8ec329a6d7
patch 8.2.2905: no error when defaults.vim cannot be loaded

Commit: https://github.com/vim/vim/commit/1d3a14ecf0cdde026984894c592dc140a2b46887
Author: Christian Brabandt <cb@256bit.org>
Date:   Sat May 29 19:53:50 2021 +0200

    patch 8.2.2905: no error when defaults.vim cannot be loaded

    Problem:    No error when defaults.vim cannot be loaded.
    Solution:   Add an error message. (Christian Brabandt, closes https://github.com/vim/vim/issues/8248)

diff --git a/runtime/doc/starting.txt b/runtime/doc/starting.txt
--- a/runtime/doc/starting.txt
+++ b/runtime/doc/starting.txt
@@ -1036,7 +1036,7 @@ giving the mapping.
 
 
 Defaults without a .vimrc file ~
-							*defaults.vim*
+							*defaults.vim* *E1187*
 If Vim is started normally and no user vimrc file is found, the
 $VIMRUNTIME/defaults.vim script is loaded.  This will set 'compatible' off,
 switch on syntax highlighting and a few more things.  See the script for
diff --git a/src/errors.h b/src/errors.h
--- a/src/errors.h
+++ b/src/errors.h
@@ -413,3 +413,5 @@ EXTERN char e_missing_redir_end[]
 	INIT(= N_("E1185: Missing :redir END"));
 EXTERN char e_expression_does_not_result_in_value_str[]
 	INIT(= N_("E1186: Expression does not result in a value: %s"));
+EXTERN char e_failed_to_source_defaults[]
+	INIT(= N_("E1187: Failed to source defaults.vim"));
diff --git a/src/main.c b/src/main.c
--- a/src/main.c
+++ b/src/main.c
@@ -3128,7 +3128,11 @@ source_startup_scripts(mparm_T *parmp)
     if (parmp->use_vimrc != NULL)
     {
 	if (STRCMP(parmp->use_vimrc, "DEFAULTS") == 0)
-	    do_source((char_u *)VIM_DEFAULTS_FILE, FALSE, DOSO_NONE, NULL);
+	{
+	    if (do_source((char_u *)VIM_DEFAULTS_FILE, FALSE, DOSO_NONE, NULL)
+									 != OK)
+		emsg(e_failed_to_source_defaults);
+	}
 	else if (STRCMP(parmp->use_vimrc, "NONE") == 0
 				     || STRCMP(parmp->use_vimrc, "NORC") == 0)
 	{
@@ -3200,7 +3204,9 @@ source_startup_scripts(mparm_T *parmp)
 		&& !has_dash_c_arg)
 	    {
 		// When no .vimrc file was found: source defaults.vim.
-		do_source((char_u *)VIM_DEFAULTS_FILE, FALSE, DOSO_NONE, NULL);
+		if (do_source((char_u *)VIM_DEFAULTS_FILE, FALSE, DOSO_NONE,
+								 NULL) == FAIL)
+		    emsg(e_failed_to_source_defaults);
 	    }
 	}
 
diff --git a/src/testdir/test_startup.vim b/src/testdir/test_startup.vim
--- a/src/testdir/test_startup.vim
+++ b/src/testdir/test_startup.vim
@@ -276,6 +276,19 @@ func Test_V_arg()
    call assert_match("sourcing \"$VIMRUNTIME[\\/]defaults\.vim\"\r\nline 1: \" The default vimrc file\..*  verbose=15\n", out)
 endfunc
 
+" Test that an error is shown when the defaults.vim file could not be read
+func Test_defaults_error()
+  " Can't catch the output of gvim.
+  CheckNotGui
+  CheckNotMSWindows
+
+  let out = system('VIMRUNTIME=/tmp ' .. GetVimCommand() .. ' --clean -cq')
+  call assert_match("E1187: Failed to source defaults.vim", out)
+
+  let out = system('VIMRUNTIME=/tmp ' .. GetVimCommand() .. ' -u DEFAULTS -cq')
+  call assert_match("E1187: Failed to source defaults.vim", out)
+endfunc
+
 " Test the '-q [errorfile]' argument.
 func Test_q_arg()
   CheckFeature quickfix
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2905,
+/**/
     2904,
 /**/
     2903,