From e0441fb5342f8c613daae9c1da2269c32fa078aa Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Wed, 11 Mar 2026 12:45:22 +0300
Subject: [PATCH] v.util: compilation error if theres "-" in path to executed
 file (fixes #17764)

---
 vlib/v/tests/hyphenated_module_path_test.v | 38 ++++++++++++++++++++++
 vlib/v/util/util.v                         |  2 +-
 2 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 vlib/v/tests/hyphenated_module_path_test.v

diff --git a/vlib/v/tests/hyphenated_module_path_test.v b/vlib/v/tests/hyphenated_module_path_test.v
new file mode 100644
index 000000000..ee7d4f3b8
--- /dev/null
+++ b/vlib/v/tests/hyphenated_module_path_test.v
@@ -0,0 +1,38 @@
+import os
+import rand
+
+const vexe = @VEXE
+
+fn test_module_in_hyphenated_parent_path_compiles() {
+	test_root := os.join_path(os.vtmp_dir(), 'hyphenated_module_path_${rand.ulid()}')
+	module_dir := os.join_path(test_root, 'some-dir', 'somemodule')
+	os.mkdir_all(module_dir)!
+	defer {
+		os.rmdir_all(test_root) or {}
+	}
+	os.write_file(os.join_path(module_dir, 'somemodule.v'), 'module somemodule
+
+pub fn value() int {
+	return 3
+}
+')!
+	os.write_file(os.join_path(module_dir, 'some_test.v'), 'module somemodule
+
+fn test_value() {
+	assert value() == 3
+}
+')!
+	old_wd := os.getwd()
+	defer {
+		os.chdir(old_wd) or {}
+	}
+	os.chdir(test_root)!
+	module_path := os.join_path('some-dir', 'somemodule')
+	cmd := '${os.quoted_path(vexe)} test ${os.quoted_path(module_path)}'
+	res := os.execute(cmd)
+	if res.exit_code != 0 {
+		eprintln('> failing test cmd: ${cmd}')
+		eprintln('> output:\n${res.output}')
+	}
+	assert res.exit_code == 0
+}
diff --git a/vlib/v/util/util.v b/vlib/v/util/util.v
index 4a3f4d390..5c1f1a0c8 100644
--- a/vlib/v/util/util.v
+++ b/vlib/v/util/util.v
@@ -474,7 +474,7 @@ pub fn strip_main_name(name string) string {
 
 @[inline]
 pub fn no_dots(s string) string {
-	return s.replace('.', '__')
+	return s.replace_each(['.', '__', '-', '_'])
 }
 
 const map_prefix = 'map[string]'
-- 
2.39.5