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Code Issues 21 Packages Projects Releases 10 Wiki Activity

By default only print last leaf of path

Browse Source 
Fixes #9
https://github.com/bootandy/dust/issues/9

Instead of printing the all sub tree leaves only the last leaf is now
printed. See readme change for example

The flag '-p' was added to print the sub tree the old way
This commit is contained in:
andy.boot
2018-04-23 13:59:29 +01:00
parent 24c97ef92f
commit 803934d84b
4 changed files with 104 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files
README.md
+17 -16
View File
@@ -34,28 +34,29 @@ Dust assumes that’s what you wanted to do in the first place, and takes care o
```
Usage: dust <dir>
Usage: dust <dir> <another_dir> <and_more>
Usage: dust -p <dir> (full-path - does not shorten the path of the subdirectories)
Usage: dust -s <dir> (apparent-size - shows the length of the file as opposed to the amount of disk space it uses)
Usage: dust -n 30 <dir> (Shows 30 directories not 15)
```
```
djin:git/dust> dust
65M .
65M └─┬ ./target
49M ├─┬ ./target/debug
26M │ ├─┬ ./target/debug/deps
21M │ │ └── ./target/debug/deps/libclap-9e6625ac8ff074ad.rlib
13M │ ├── ./target/debug/dust
8.9M │ └─┬ ./target/debug/incremental
6.7M │ ├─┬ ./target/debug/incremental/dust-2748eiei2tcnp
6.7M │ │ └─┬ ./target/debug/incremental/dust-2748eiei2tcnp/s-ezd6jnik5u-163pyem-1aab9ncf5glum
3.0M │ │ └── ./target/debug/incremental/dust-2748eiei2tcnp/s-ezd6jnik5u-163pyem-1aab9ncf5glum/dep-graph.bin
2.2M │ └─┬ ./target/debug/incremental/dust-1dlon65p8m3vl
2.2M │ └── ./target/debug/incremental/dust-1dlon65p8m3vl/s-ezd6jncecv-1xsnfd0-4dw9l1r2th2t
15M └─┬ ./target/release
9.2M ├─┬ ./target/release/deps
6.7M │ └── ./target/release/deps/libclap-87bc2534ea57f044.rlib
5.9M └── ./target/release/dust
1.2G target
622M ├─┬ debug
445M │ ├── deps
70M │ ├── incremental
56M │ └── build
262M ├─┬ rls
262M │ └─┬ debug
203M │ ├── deps
56M │ └── build
165M ├─┬ package
165M │ └─┬ du-dust-0.2.4
165M │ └─┬ target
165M │ └─┬ debug
131M │ └── deps
165M └─┬ release
124M └── deps
```
## Performance
src/display.rs
+40 -7
View File
@@ -4,13 +4,18 @@ use self::ansi_term::Colour::Fixed;
static UNITS: [char; 4] = ['T', 'G', 'M', 'K'];
pub fn draw_it(permissions: bool, base_dirs: Vec<&str>, to_display: Vec<(String, u64)>) -> () {
pub fn draw_it(
permissions: bool,
short_paths: bool,
base_dirs: Vec<&str>,
to_display: Vec<(String, u64)>,
) -> () {
if !permissions {
eprintln!("Did not have permissions for all directories");
}
for f in base_dirs {
display_node(f, &to_display, true, "")
display_node(f, &to_display, true, short_paths, "")
}
}
@@ -27,6 +32,7 @@ fn display_node<S: Into<String>>(
node_to_print: &str,
to_display: &Vec<(String, u64)>,
is_biggest: bool,
short_paths: bool,
indentation_str: S,
) {
let mut is = indentation_str.into();
@@ -34,7 +40,7 @@ fn display_node<S: Into<String>>(
match size {
None => println!("Can not find path: {}", node_to_print),
Some(size) => {
print_this_node(node_to_print, size, is_biggest, is.as_ref());
print_this_node(node_to_print, size, is_biggest, short_paths, is.as_ref());
is = is.replace("└─┬", " ");
is = is.replace("└──", " ");
@@ -74,6 +80,7 @@ fn display_node<S: Into<String>>(
&k,
to_display,
is_biggest,
short_paths,
is.to_string() + get_tree_chars(num_siblings, has_children),
);
is_biggest = false;
@@ -98,15 +105,41 @@ fn get_tree_chars(num_siblings: u64, has_children: bool) -> &'static str {
}
}
}
fn print_this_node(node_name: &str, size: u64, is_biggest: bool, indentation: &str) {
fn print_this_node(
node_name: &str,
size: u64,
is_biggest: bool,
short_paths: bool,
indentation: &str,
) {
let pretty_size = format!("{:>5}", human_readable_number(size),);
println!(
"{}",
format_string(node_name, is_biggest, pretty_size.as_ref(), indentation)
format_string(
node_name,
is_biggest,
short_paths,
pretty_size.as_ref(),
indentation
)
)
}
pub fn format_string(dir_name: &str, is_biggest: bool, size: &str, indentation: &str) -> String {
pub fn format_string(
dir_name: &str,
is_biggest: bool,
short_paths: bool,
size: &str,
indentation: &str,
) -> String {
let printable_name = {
if short_paths && dir_name.contains('/') {
dir_name.split('/').last().unwrap()
} else {
dir_name
}
};
format!(
"{} {} {}",
if is_biggest {
@@ -115,7 +148,7 @@ pub fn format_string(dir_name: &str, is_biggest: bool, size: &str, indentation:
Fixed(7).paint(size)
},
indentation,
dir_name,
printable_name,
)
}
src/main.rs
+9 -3
View File
@@ -23,7 +23,12 @@ fn main() {
.default_value(DEFAULT_NUMBER_OF_LINES),
)
.arg(
Arg::with_name("use_apparent_size")
Arg::with_name("display_full_paths")
.short("p")
.help("If set sub directories will not have their path shortened"),
)
.arg(
Arg::with_name("display_apparent_size")
.short("s")
.help("If set will use file length. Otherwise we use blocks"),
)
@@ -37,11 +42,12 @@ fn main() {
}
};
let number_of_lines = value_t!(options.value_of("number_of_lines"), usize).unwrap();
let use_apparent_size = options.is_present("use_apparent_size");
let use_apparent_size = options.is_present("display_apparent_size");
let use_full_path = options.is_present("display_full_paths");
let (permissions, nodes) = get_dir_tree(&filenames, use_apparent_size);
let biggest_ones = find_big_ones(nodes, number_of_lines);
draw_it(permissions, filenames, biggest_ones);
draw_it(permissions, !use_full_path, filenames, biggest_ones);
}
#[cfg(test)]
src/tests.rs
+38 -31
View File
@@ -15,35 +15,44 @@ pub fn test_main() {
assert_cli::Assert::main_binary()
.with_args(&["src/test_dir"])
.stdout()
.is(main_output())
.is(main_output(true))
.unwrap();
}
#[test]
pub fn test_main_long_paths() {
assert_cli::Assert::main_binary()
.with_args(&["-p", "src/test_dir"])
.stdout()
.is(main_output(false))
.unwrap();
}
#[cfg(target_os = "macos")]
fn main_output() -> String {
fn main_output(short_paths: bool) -> String {
format!(
"{}
{}
{}
{}",
format_string("src/test_dir", true, " 4.0K", ""),
format_string("src/test_dir/many", true, " 4.0K", "└─┬",),
format_string("src/test_dir/many/hello_file", true, " 4.0K", " ├──",),
format_string("src/test_dir/many/a_file", false, " 0B", " └──",),
format_string("src/test_dir", true, short_paths, " 4.0K", ""),
format_string("src/test_dir/many", true, short_paths, " 4.0K", "└─┬",),
format_string("src/test_dir/many/hello_file", true, short_paths, " 4.0K", " ├──",),
format_string("src/test_dir/many/a_file", false, short_paths, " 0B", " └──",),
)
}
#[cfg(target_os = "linux")]
fn main_output() -> String {
fn main_output(short_paths: bool) -> String {
format!(
"{}
{}
{}
{}",
format_string("src/test_dir", true, " 12K", ""),
format_string("src/test_dir/many", true, " 8.0K", "└─┬",),
format_string("src/test_dir/many/hello_file", true, " 4.0K", " ├──",),
format_string("src/test_dir/many/a_file", false, " 0B", " └──",),
format_string("src/test_dir", true, short_paths, " 12K", ""),
format_string("src/test_dir/many", true, short_paths, " 8.0K", "└─┬",),
format_string("src/test_dir/many/hello_file", true, short_paths, " 4.0K", " ├──",),
format_string("src/test_dir/many/a_file", false, short_paths, " 0B", " └──",),
)
}
@@ -51,7 +60,7 @@ fn main_output() -> String {
pub fn test_apparent_size() {
let r = format!(
"{}",
format_string("src/test_dir/many/hello_file", true, " 6B", " ├──",),
format_string("src/test_dir/many/hello_file", true, true, " 6B", " ├──",),
);
assert_cli::Assert::main_binary()
@@ -97,9 +106,9 @@ fn soft_sym_link_output(dir: &str, file_path: &str, link_name: &str) -> String {
"{}
{}
{}",
format_string(dir, true, " 8.0K", ""),
format_string(file_path, true, " 4.0K", "├──",),
format_string(link_name, false, " 4.0K", "└──",),
format_string(dir, true, true, " 8.0K", ""),
format_string(file_path, true, true, " 4.0K", "├──",),
format_string(link_name, false, true, " 4.0K", "└──",),
)
}
#[cfg(target_os = "linux")]
@@ -108,9 +117,9 @@ fn soft_sym_link_output(dir: &str, file_path: &str, link_name: &str) -> String {
"{}
{}
{}",
format_string(dir, true, " 8.0K", ""),
format_string(file_path, true, " 4.0K", "├──",),
format_string(link_name, false, " 0B", "└──",),
format_string(dir, true, true, " 8.0K", ""),
format_string(file_path, true, true, " 4.0K", "├──",),
format_string(link_name, false, true, " 0B", "└──",),
)
}
@@ -156,14 +165,14 @@ fn hard_link_output(dir_s: &str, file_path_s: &str, link_name_s: &str) -> (Strin
let r = format!(
"{}
{}",
format_string(dir_s, true, " 4.0K", ""),
format_string(file_path_s, true, " 4.0K", "└──")
format_string(dir_s, true, true, " 4.0K", ""),
format_string(file_path_s, true, true, " 4.0K", "└──")
);
let r2 = format!(
"{}
{}",
format_string(dir_s, true, " 4.0K", ""),
format_string(link_name_s, true, " 4.0K", "└──")
format_string(dir_s, true, true, " 4.0K", ""),
format_string(link_name_s, true, true, " 4.0K", "└──")
);
(r, r2)
}
@@ -173,9 +182,8 @@ fn hard_link_output(dir_s: &str, file_path_s: &str, link_name_s: &str) -> (Strin
let r = format!(
"{}
{}",
format_string(dir_s, true, " 8.0K", ""),
format_string(file_path_s, true, " 4.0K", "└──")
format_string(dir_s, true, true, " 8.0K", ""),
format_string(file_path_s, true, true, " 4.0K", "└──")
);
let r2 = format!(
"{}
@@ -214,8 +222,8 @@ fn recursive_sym_link_output(dir: &str, link_name: &str) -> String {
format!(
"{}
{}",
format_string(dir, true, " 4.0K", ""),
format_string(link_name, true, " 4.0K", "└──",),
format_string(dir, true, true, " 4.0K", ""),
format_string(link_name, true, true, " 4.0K", "└──",),
)
}
#[cfg(target_os = "linux")]
@@ -223,10 +231,9 @@ fn recursive_sym_link_output(dir: &str, link_name: &str) -> String {
format!(
"{}
{}",
format_string(dir, true, " 4.0K", ""),
format_string(link_name, true, " 0B", "└──",),
format_string(dir, true, true, " 4.0K", ""),
format_string(link_name, true, true, " 0B", "└──",),
)
}
// TODO: add test for bad path
// TODO: add test for bad path