Merge pull request #93 from bootandy/ab-fixes

Ab various minor fixes

src/display.rs

@@ -285,15 +285,16 @@ pub fn format_string(
     let name = get_printable_name(&node.name, display_data.short_paths);
     let width = get_unicode_width_of_indent_and_name(indent, &name);
 
-    let name_and_padding = name
+    let (percents, name_and_padding) = if percent_bar != "" {
-        + &(repeat(" ")
+        let percents = format!("│{} │ {:>4}", percent_bar, percent_size_str);
-            .take(display_data.longest_string_length - width)
-            .collect::<String>());
 
-    let percents = if percent_bar != "" {
+        let name_and_padding = name
-        format!("│{} │ {:>4}", percent_bar, percent_size_str)
+            + &(repeat(" ")
+                .take(display_data.longest_string_length - width)
+                .collect::<String>());
+        (percents, name_and_padding)
     } else {
-        "".into()
+        ("".into(), name)
     };
 
     let pretty_size = if is_biggest && display_data.colors_on {

src/main.rs

@@ -20,15 +20,20 @@ static DEFAULT_NUMBER_OF_LINES: usize = 30;
 
 #[cfg(windows)]
 fn init_color(no_color: bool) -> bool {
-    // Required for windows 10
+    // If no color is already set do not print a warning message
-    // Fails to resolve for windows 8 so disable color
+    if no_color {
-    match ansi_term::enable_ansi_support() {
+        true
-        Ok(_) => no_color,
+    } else {
-        Err(_) => {
+        // Required for windows 10
-            eprintln!(
+        // Fails to resolve for windows 8 so disable color
-                "This version of Windows does not support ANSI colors, setting no_color flag"
+        match ansi_term::enable_ansi_support() {
-            );
+            Ok(_) => no_color,
-            true
+            Err(_) => {
+                eprintln!(
+                    "This version of Windows does not support ANSI colors, setting no_color flag"
+                );
+                true
+            }
         }
     }
 }

tests/tests.rs

@@ -32,6 +32,16 @@ pub fn test_basic_output() {
     assert!(output.contains("a_file "));
 }
 
+#[test]
+pub fn test_output_no_bars_means_no_excess_spaces() {
+    let mut cmd = Command::cargo_bin("dust").unwrap();
+    let output = cmd.arg("-b").arg("src/test_dir/").unwrap().stdout;
+    let output = str::from_utf8(&output).unwrap();
+    // If bars are not being shown we don't need to pad the output with spaces
+    assert!(output.contains("many"));
+    assert!(!output.contains("many    "));
+}
+
 // "windows" result data can vary by host (size seems to be variable by one byte); fix code vs test and re-enable
 #[cfg_attr(target_os = "windows", ignore)]
 #[test]
@@ -138,6 +148,8 @@ fn main_output_long_paths() -> String {
 #[cfg_attr(target_os = "windows", ignore)]
 #[test]
 pub fn test_apparent_size() {
+    copy_test_data("src/test_dir");
+
     let mut cmd = Command::cargo_bin("dust").unwrap();
     let assert = cmd.arg("-c").arg("-s").arg("src/test_dir").unwrap().stdout;
     let output = str::from_utf8(&assert).unwrap();