Correction bug multiple dots mkdir and touch (#8486)

crates/nu-command/tests/commands/mkdir.rs

@@ -84,3 +84,45 @@ fn print_created_paths() {
         assert!(actual.err.contains("dir_3"));
     })
 }
+
+#[test]
+fn creates_directory_three_dots() {
+    Playground::setup("mkdir_test_1", |dirs, _| {
+        nu!(
+            cwd: dirs.test(),
+            "mkdir test..."
+        );
+
+        let expected = dirs.test().join("test...");
+
+        assert!(expected.exists());
+    })
+}
+
+#[test]
+fn creates_directory_four_dots() {
+    Playground::setup("mkdir_test_1", |dirs, _| {
+        nu!(
+            cwd: dirs.test(),
+            "mkdir test...."
+        );
+
+        let expected = dirs.test().join("test....");
+
+        assert!(expected.exists());
+    })
+}
+
+#[test]
+fn creates_directory_three_dots_quotation_marks() {
+    Playground::setup("mkdir_test_1", |dirs, _| {
+        nu!(
+            cwd: dirs.test(),
+            "mkdir 'test...'"
+        );
+
+        let expected = dirs.test().join("test...");
+
+        assert!(expected.exists());
+    })
+}

crates/nu-command/tests/commands/touch.rs

@@ -122,3 +122,42 @@ fn not_create_file_if_it_not_exists() {
         assert!(!path.exists());
     })
 }
+
+#[test]
+fn creates_file_three_dots() {
+    Playground::setup("create_test_1", |dirs, _sandbox| {
+        nu!(
+            cwd: dirs.test(),
+            "touch file..."
+        );
+
+        let path = dirs.test().join("file...");
+        assert!(path.exists());
+    })
+}
+
+#[test]
+fn creates_file_four_dots() {
+    Playground::setup("create_test_1", |dirs, _sandbox| {
+        nu!(
+            cwd: dirs.test(),
+            "touch file...."
+        );
+
+        let path = dirs.test().join("file....");
+        assert!(path.exists());
+    })
+}
+
+#[test]
+fn creates_file_four_dots_quotation_marks() {
+    Playground::setup("create_test_1", |dirs, _sandbox| {
+        nu!(
+            cwd: dirs.test(),
+            "touch 'file....'"
+        );
+
+        let path = dirs.test().join("file....");
+        assert!(path.exists());
+    })
+}

crates/nu-path/src/dots.rs

@@ -33,6 +33,7 @@ pub fn expand_ndots(path: impl AsRef<Path>) -> PathBuf {
 
     // find if we need to expand any >2 dot paths and early exit if not
     let mut dots_count = 0u8;
+    let mut not_separator_before_dot = false;
     let ndots_present = {
         for chr in path_str.chars() {
             if chr == '.' {
@@ -42,7 +43,7 @@ pub fn expand_ndots(path: impl AsRef<Path>) -> PathBuf {
                     // this path component had >2 dots
                     break;
                 }
-
+                not_separator_before_dot = !(is_separator(chr) || chr.is_whitespace());
                 dots_count = 0;
             }
         }
@@ -50,7 +51,7 @@ pub fn expand_ndots(path: impl AsRef<Path>) -> PathBuf {
         dots_count > 2
     };
 
-    if !ndots_present {
+    if !ndots_present || not_separator_before_dot {
         return path.as_ref().into();
     }