From 823f10d197d94ee34be10ca037fef2ceef38274d Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Thu, 23 Apr 2026 22:05:57 +0300
Subject: [PATCH] v.util: fix unknown function: cli004.sub.greetings (fixes
 #26828)

---
 .../tests/projects_that_should_compile_test.v | 20 ++++++++++++++
 vlib/v/util/module.v                          |  1 +
 vlib/v/util/util_test.v                       | 27 +++++++++++++++++++
 3 files changed, 48 insertions(+)

diff --git a/vlib/v/tests/projects_that_should_compile_test.v b/vlib/v/tests/projects_that_should_compile_test.v
index 6405fc0b6..342857fbf 100644
--- a/vlib/v/tests/projects_that_should_compile_test.v
+++ b/vlib/v/tests/projects_that_should_compile_test.v
@@ -183,6 +183,26 @@ fn test_module_resolution_is_independent_of_working_directory() {
 	assert res_app.trim_space() == 'Hello 16!'
 }
 
+fn test_running_project_from_its_own_vmod_with_parent_vmod_works_issue_26828() {
+	root := os.join_path(os.vtmp_dir(), 'v_issue_26828_${os.getpid()}')
+	os.rmdir_all(root) or {}
+	defer {
+		os.rmdir_all(root) or {}
+	}
+	project_root := os.join_path(root, 'outer')
+	module_root := os.join_path(project_root, 'cli004')
+	os.mkdir_all(os.join_path(module_root, 'sub'))!
+	os.write_file(os.join_path(project_root, 'v.mod'), "Module {\n\tname: 'outer'\n}\n")!
+	os.write_file(os.join_path(module_root, 'v.mod'), "Module {\n\tname: 'cli004'\n}\n")!
+	os.write_file(os.join_path(module_root, 'cli004.v'),
+		'module main\n\nimport sub\n\nfn main() {\n\tsub.greetings()\n}\n')!
+	os.write_file(os.join_path(module_root, 'sub', 'hey.v'),
+		"module sub\n\npub fn greetings() {\n\tprintln('greetings from sub')\n}\n")!
+
+	res := vrun_ok_in_dir(module_root, 'crun', '.')
+	assert res.trim_space() == 'greetings from sub'
+}
+
 fn test_custom_print_should_compile_with_no_builtin() {
 	source_path := os.join_path(os.vtmp_dir(), 'custom_print_no_builtin_${os.getpid()}.v')
 	output_path := os.join_path(os.vtmp_dir(), 'custom_print_no_builtin_${os.getpid()}.c')
diff --git a/vlib/v/util/module.v b/vlib/v/util/module.v
index 188b5dc71..daba56064 100644
--- a/vlib/v/util/module.v
+++ b/vlib/v/util/module.v
@@ -166,6 +166,7 @@ fn mod_path_to_full_name(pref_ &pref.Preferences, mod string, path string) !stri
 						if 'v.mod' in ls
 							&& (try_path_parts.len > i && try_path_parts[i] != 'v' && 'vlib' !in ls) {
 							last_v_mod = j
+							break
 						}
 						continue
 					}
diff --git a/vlib/v/util/util_test.v b/vlib/v/util/util_test.v
index 2b87e69fb..2c81c875c 100644
--- a/vlib/v/util/util_test.v
+++ b/vlib/v/util/util_test.v
@@ -2,6 +2,7 @@ module util
 
 import os
 import time
+import v.pref
 
 fn test_tool_recompilation_args_force_system_cc_for_vdoc_on_freebsd() {
 	assert tool_recompilation_args('vdoc', 'freebsd') == ['-cc', 'cc']
@@ -127,3 +128,29 @@ fn test_vlines_escape_path_does_not_restore_old_tcc_prefix_workaround() {
 		assert escaped_tcc_path.starts_with(os.windows_volume(source_path))
 	}
 }
+
+fn test_qualify_import_stops_at_nearest_vmod_issue_26828() {
+	root := os.join_path(os.vtmp_dir(), 'v_qualify_import_issue_26828_${os.getpid()}')
+	os.rmdir_all(root) or {}
+	defer {
+		os.rmdir_all(root) or {}
+	}
+	project_root := os.join_path(root, 'outer')
+	module_root := os.join_path(project_root, 'cli004')
+	os.mkdir_all(os.join_path(module_root, 'sub'))!
+	os.write_file(os.join_path(project_root, 'v.mod'), "Module {\n\tname: 'outer'\n}\n")!
+	os.write_file(os.join_path(module_root, 'v.mod'), "Module {\n\tname: 'cli004'\n}\n")!
+	main_file := os.join_path(module_root, 'cli004.v')
+	os.write_file(main_file, 'module main\n\nimport sub\n\nfn main() {}\n')!
+
+	mut p := pref.new_preferences()
+	p.path = '.'
+	old_dir := os.getwd()
+	defer {
+		os.chdir(old_dir) or { panic(err) }
+	}
+	os.chdir(module_root)!
+
+	assert qualify_import(p, 'sub', main_file) == 'sub'
+	assert qualify_import(p, 'sub', 'cli004.v') == 'sub'
+}
-- 
2.39.5