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- use std::cmp;
- use std::env::var_os;
- use std::fmt;
- use std::num::ParseIntError;
- use std::os::unix::fs::MetadataExt;
- use std::ascii::AsciiExt;
- use getopts;
- use natord;
- use feature::xattr;
- use file::File;
- use output::{Grid, Details, GridDetails, Lines};
- use output::Colours;
- use output::column::{Columns, TimeTypes, SizeFormat};
- use term::dimensions;
- /// These **options** represent a parsed, error-checked versions of the
- /// user's command-line options.
- #[derive(PartialEq, Debug, Copy, Clone)]
- pub struct Options {
- /// The action to perform when encountering a directory rather than a
- /// regular file.
- pub dir_action: DirAction,
- /// How to sort and filter files before outputting them.
- pub filter: FileFilter,
- /// The type of output to use (lines, grid, or details).
- pub view: View,
- }
- impl Options {
- /// Call getopts on the given slice of command-line strings.
- #[allow(unused_results)]
- pub fn getopts(args: &[String]) -> Result<(Options, Vec<String>), Misfire> {
- let mut opts = getopts::Options::new();
- opts.optflag("v", "version", "display version of exa");
- opts.optflag("?", "help", "show list of command-line options");
- // Display options
- opts.optflag("1", "oneline", "display one entry per line");
- opts.optflag("G", "grid", "display entries in a grid view (default)");
- opts.optflag("l", "long", "display extended details and attributes");
- opts.optflag("R", "recurse", "recurse into directories");
- opts.optflag("T", "tree", "recurse into subdirectories in a tree view");
- opts.optflag("x", "across", "sort multi-column view entries across");
- opts.optopt ("", "color", "when to show anything in colours", "WHEN");
- opts.optopt ("", "colour", "when to show anything in colours (alternate spelling)", "WHEN");
- // Filtering and sorting options
- opts.optflag("", "group-directories-first", "list directories before other files");
- opts.optflag("a", "all", "show dot-files");
- opts.optflag("d", "list-dirs", "list directories as regular files");
- opts.optflag("r", "reverse", "reverse order of files");
- opts.optopt ("s", "sort", "field to sort by", "WORD");
- // Long view options
- opts.optflag("b", "binary", "use binary prefixes in file sizes");
- opts.optflag("B", "bytes", "list file sizes in bytes, without prefixes");
- opts.optflag("g", "group", "show group as well as user");
- opts.optflag("h", "header", "show a header row at the top");
- opts.optflag("H", "links", "show number of hard links");
- opts.optflag("i", "inode", "show each file's inode number");
- opts.optopt ("L", "level", "maximum depth of recursion", "DEPTH");
- opts.optflag("m", "modified", "display timestamp of most recent modification");
- opts.optflag("S", "blocks", "show number of file system blocks");
- opts.optopt ("t", "time", "which timestamp to show for a file", "WORD");
- opts.optflag("u", "accessed", "display timestamp of last access for a file");
- opts.optflag("U", "created", "display timestamp of creation for a file");
- if cfg!(feature="git") {
- opts.optflag("", "git", "show git status");
- }
- if xattr::ENABLED {
- opts.optflag("@", "extended", "display extended attribute keys and sizes");
- }
- let matches = match opts.parse(args) {
- Ok(m) => m,
- Err(e) => return Err(Misfire::InvalidOptions(e)),
- };
- if matches.opt_present("help") {
- let mut help_string = "Usage:\n exa [options] [files...]\n".to_owned();
- if !matches.opt_present("long") {
- help_string.push_str(OPTIONS);
- }
- help_string.push_str(LONG_OPTIONS);
- if cfg!(feature="git") {
- help_string.push_str(GIT_HELP);
- help_string.push('\n');
- }
- if xattr::ENABLED {
- help_string.push_str(EXTENDED_HELP);
- help_string.push('\n');
- }
- return Err(Misfire::Help(help_string));
- }
- else if matches.opt_present("version") {
- return Err(Misfire::Version);
- }
- let options = try!(Options::deduce(&matches));
- Ok((options, matches.free))
- }
- /// Whether the View specified in this set of options includes a Git
- /// status column. It's only worth trying to discover a repository if the
- /// results will end up being displayed.
- pub fn should_scan_for_git(&self) -> bool {
- match self.view {
- View::Details(Details { columns: Some(cols), .. }) => cols.should_scan_for_git(),
- View::GridDetails(GridDetails { details: Details { columns: Some(cols), .. }, .. }) => cols.should_scan_for_git(),
- _ => false,
- }
- }
- }
- impl OptionSet for Options {
- fn deduce(matches: &getopts::Matches) -> Result<Options, Misfire> {
- let dir_action = try!(DirAction::deduce(&matches));
- let filter = try!(FileFilter::deduce(&matches));
- let view = try!(View::deduce(&matches, filter, dir_action));
- Ok(Options {
- dir_action: dir_action,
- view: view,
- filter: filter,
- })
- }
- }
- #[derive(PartialEq, Debug, Copy, Clone)]
- pub enum View {
- Details(Details),
- Grid(Grid),
- GridDetails(GridDetails),
- Lines(Lines),
- }
- impl View {
- fn deduce(matches: &getopts::Matches, filter: FileFilter, dir_action: DirAction) -> Result<View, Misfire> {
- use self::Misfire::*;
- let long = || {
- if matches.opt_present("across") && !matches.opt_present("grid") {
- Err(Useless("across", true, "long"))
- }
- else if matches.opt_present("oneline") {
- Err(Useless("oneline", true, "long"))
- }
- else {
- let term_colours = try!(TerminalColours::deduce(matches));
- let colours = match term_colours {
- TerminalColours::Always => Colours::colourful(),
- TerminalColours::Never => Colours::plain(),
- TerminalColours::Automatic => {
- if dimensions().is_some() {
- Colours::colourful()
- }
- else {
- Colours::plain()
- }
- },
- };
- let details = Details {
- columns: Some(try!(Columns::deduce(matches))),
- header: matches.opt_present("header"),
- recurse: dir_action.recurse_options(),
- filter: filter,
- xattr: xattr::ENABLED && matches.opt_present("extended"),
- colours: colours,
- };
- Ok(details)
- }
- };
- let long_options_scan = || {
- for option in &[ "binary", "bytes", "inode", "links", "header", "blocks", "time", "group" ] {
- if matches.opt_present(option) {
- return Err(Useless(option, false, "long"));
- }
- }
- if cfg!(feature="git") && matches.opt_present("git") {
- Err(Useless("git", false, "long"))
- }
- else if matches.opt_present("level") && !matches.opt_present("recurse") && !matches.opt_present("tree") {
- Err(Useless2("level", "recurse", "tree"))
- }
- else if xattr::ENABLED && matches.opt_present("extended") {
- Err(Useless("extended", false, "long"))
- }
- else {
- Ok(())
- }
- };
- let other_options_scan = || {
- let term_colours = try!(TerminalColours::deduce(matches));
- let term_width = try!(TerminalWidth::deduce(matches));
- if let TerminalWidth::Set(width) = term_width {
- let colours = match term_colours {
- TerminalColours::Always => Colours::colourful(),
- TerminalColours::Never => Colours::plain(),
- TerminalColours::Automatic => Colours::colourful(),
- };
- if matches.opt_present("oneline") {
- if matches.opt_present("across") {
- Err(Useless("across", true, "oneline"))
- }
- else {
- let lines = Lines {
- colours: colours,
- };
- Ok(View::Lines(lines))
- }
- }
- else if matches.opt_present("tree") {
- let details = Details {
- columns: None,
- header: false,
- recurse: dir_action.recurse_options(),
- filter: filter,
- xattr: false,
- colours: colours,
- };
- Ok(View::Details(details))
- }
- else {
- let grid = Grid {
- across: matches.opt_present("across"),
- console_width: width,
- colours: colours,
- };
- Ok(View::Grid(grid))
- }
- }
- else {
- // If the terminal width couldn’t be matched for some reason, such
- // as the program’s stdout being connected to a file, then
- // fallback to the lines view.
- let colours = match term_colours {
- TerminalColours::Always => Colours::colourful(),
- TerminalColours::Never => Colours::plain(),
- TerminalColours::Automatic => Colours::plain(),
- };
- if matches.opt_present("tree") {
- let details = Details {
- columns: None,
- header: false,
- recurse: dir_action.recurse_options(),
- filter: filter,
- xattr: false,
- colours: colours,
- };
- Ok(View::Details(details))
- }
- else {
- let lines = Lines {
- colours: colours,
- };
- Ok(View::Lines(lines))
- }
- }
- };
- if matches.opt_present("long") {
- let long_options = try!(long());
- if matches.opt_present("grid") {
- match other_options_scan() {
- Ok(View::Grid(grid)) => return Ok(View::GridDetails(GridDetails { grid: grid, details: long_options })),
- Ok(lines) => return Ok(lines),
- Err(e) => return Err(e),
- };
- }
- else {
- return Ok(View::Details(long_options));
- }
- }
- try!(long_options_scan());
- other_options_scan()
- }
- }
- trait OptionSet: Sized {
- fn deduce(matches: &getopts::Matches) -> Result<Self, Misfire>;
- }
- /// The **file filter** processes a vector of files before outputting them,
- /// filtering and sorting the files depending on the user’s command-line
- /// flags.
- #[derive(Default, PartialEq, Debug, Copy, Clone)]
- pub struct FileFilter {
- list_dirs_first: bool,
- reverse: bool,
- show_invisibles: bool,
- sort_field: SortField,
- }
- impl OptionSet for FileFilter {
- fn deduce(matches: &getopts::Matches) -> Result<FileFilter, Misfire> {
- let sort_field = try!(SortField::deduce(&matches));
- Ok(FileFilter {
- list_dirs_first: matches.opt_present("group-directories-first"),
- reverse: matches.opt_present("reverse"),
- show_invisibles: matches.opt_present("all"),
- sort_field: sort_field,
- })
- }
- }
- impl FileFilter {
- /// Remove every file in the given vector that does *not* pass the
- /// filter predicate.
- pub fn filter_files(&self, files: &mut Vec<File>) {
- if !self.show_invisibles {
- files.retain(|f| !f.is_dotfile());
- }
- }
- /// Sort the files in the given vector based on the sort field option.
- pub fn sort_files(&self, files: &mut Vec<File>) {
- files.sort_by(|a, b| self.compare_files(a, b));
- if self.reverse {
- files.reverse();
- }
- if self.list_dirs_first {
- // This relies on the fact that `sort_by` is stable.
- files.sort_by(|a, b| b.is_directory().cmp(&a.is_directory()));
- }
- }
- pub fn compare_files(&self, a: &File, b: &File) -> cmp::Ordering {
- match self.sort_field {
- SortField::Unsorted => cmp::Ordering::Equal,
- SortField::Name => natord::compare(&*a.name, &*b.name),
- SortField::Name_nocaps => natord::compare(&*a.name.to_ascii_lowercase(), &*b.name.to_ascii_lowercase()),
- SortField::Size => a.metadata.len().cmp(&b.metadata.len()),
- SortField::FileInode => a.metadata.ino().cmp(&b.metadata.ino()),
- SortField::ModifiedDate => a.metadata.mtime().cmp(&b.metadata.mtime()),
- SortField::AccessedDate => a.metadata.atime().cmp(&b.metadata.atime()),
- SortField::CreatedDate => a.metadata.ctime().cmp(&b.metadata.ctime()),
- SortField::Extension => match a.ext.cmp(&b.ext) {
- cmp::Ordering::Equal => natord::compare(&*a.name, &*b.name),
- order => order,
- },
- }
- }
- }
- /// What to do when encountering a directory?
- #[derive(PartialEq, Debug, Copy, Clone)]
- pub enum DirAction {
- AsFile,
- List,
- Recurse(RecurseOptions),
- }
- impl DirAction {
- pub fn deduce(matches: &getopts::Matches) -> Result<DirAction, Misfire> {
- let recurse = matches.opt_present("recurse");
- let list = matches.opt_present("list-dirs");
- let tree = matches.opt_present("tree");
- match (recurse, list, tree) {
- (true, true, _ ) => Err(Misfire::Conflict("recurse", "list-dirs")),
- (_, true, true ) => Err(Misfire::Conflict("tree", "list-dirs")),
- (true, false, false) => Ok(DirAction::Recurse(try!(RecurseOptions::deduce(matches, false)))),
- (_ , _, true ) => Ok(DirAction::Recurse(try!(RecurseOptions::deduce(matches, true)))),
- (false, true, _ ) => Ok(DirAction::AsFile),
- (false, false, _ ) => Ok(DirAction::List),
- }
- }
- pub fn recurse_options(&self) -> Option<RecurseOptions> {
- match *self {
- DirAction::Recurse(opts) => Some(opts),
- _ => None,
- }
- }
- pub fn treat_dirs_as_files(&self) -> bool {
- match *self {
- DirAction::AsFile => true,
- DirAction::Recurse(RecurseOptions { tree, .. }) => tree,
- _ => false,
- }
- }
- }
- #[derive(PartialEq, Debug, Copy, Clone)]
- pub struct RecurseOptions {
- pub tree: bool,
- pub max_depth: Option<usize>,
- }
- impl RecurseOptions {
- pub fn deduce(matches: &getopts::Matches, tree: bool) -> Result<RecurseOptions, Misfire> {
- let max_depth = if let Some(level) = matches.opt_str("level") {
- match level.parse() {
- Ok(l) => Some(l),
- Err(e) => return Err(Misfire::FailedParse(e)),
- }
- }
- else {
- None
- };
- Ok(RecurseOptions {
- tree: tree,
- max_depth: max_depth,
- })
- }
- pub fn is_too_deep(&self, depth: usize) -> bool {
- match self.max_depth {
- None => false,
- Some(d) => {
- d <= depth
- }
- }
- }
- }
- /// User-supplied field to sort by.
- #[derive(PartialEq, Debug, Copy, Clone)]
- pub enum SortField {
- Unsorted, Name, Name_nocaps, Extension, Size, FileInode,
- ModifiedDate, AccessedDate, CreatedDate,
- }
- impl Default for SortField {
- fn default() -> SortField {
- SortField::Name
- }
- }
- impl OptionSet for SortField {
- fn deduce(matches: &getopts::Matches) -> Result<SortField, Misfire> {
- if let Some(word) = matches.opt_str("sort") {
- match &*word {
- "name" | "filename" => Ok(SortField::Name),
- "nocaps" | "name_nocaps" => Ok(SortField::Name_nocaps),
- "size" | "filesize" => Ok(SortField::Size),
- "ext" | "extension" => Ok(SortField::Extension),
- "mod" | "modified" => Ok(SortField::ModifiedDate),
- "acc" | "accessed" => Ok(SortField::AccessedDate),
- "cr" | "created" => Ok(SortField::CreatedDate),
- "none" => Ok(SortField::Unsorted),
- "inode" => Ok(SortField::FileInode),
- field => Err(Misfire::bad_argument("sort", field))
- }
- }
- else {
- Ok(SortField::default())
- }
- }
- }
- #[derive(PartialEq, Debug)]
- enum TerminalWidth {
- Set(usize),
- Unset,
- }
- impl OptionSet for TerminalWidth {
- fn deduce(_: &getopts::Matches) -> Result<TerminalWidth, Misfire> {
- if let Some(columns) = var_os("COLUMNS").and_then(|s| s.into_string().ok()) {
- match columns.parse() {
- Ok(width) => Ok(TerminalWidth::Set(width)),
- Err(e) => Err(Misfire::FailedParse(e)),
- }
- }
- else if let Some((width, _)) = dimensions() {
- Ok(TerminalWidth::Set(width))
- }
- else {
- Ok(TerminalWidth::Unset)
- }
- }
- }
- #[derive(PartialEq, Debug)]
- enum TerminalColours {
- Always,
- Automatic,
- Never,
- }
- impl Default for TerminalColours {
- fn default() -> TerminalColours {
- TerminalColours::Automatic
- }
- }
- impl OptionSet for TerminalColours {
- fn deduce(matches: &getopts::Matches) -> Result<TerminalColours, Misfire> {
- if let Some(word) = matches.opt_str("color").or(matches.opt_str("colour")) {
- match &*word {
- "always" => Ok(TerminalColours::Always),
- "auto" | "automatic" => Ok(TerminalColours::Automatic),
- "never" => Ok(TerminalColours::Never),
- otherwise => Err(Misfire::bad_argument("color", otherwise))
- }
- }
- else {
- Ok(TerminalColours::default())
- }
- }
- }
- impl OptionSet for Columns {
- fn deduce(matches: &getopts::Matches) -> Result<Columns, Misfire> {
- Ok(Columns {
- size_format: try!(SizeFormat::deduce(matches)),
- time_types: try!(TimeTypes::deduce(matches)),
- inode: matches.opt_present("inode"),
- links: matches.opt_present("links"),
- blocks: matches.opt_present("blocks"),
- group: matches.opt_present("group"),
- git: cfg!(feature="git") && matches.opt_present("git"),
- })
- }
- }
- impl OptionSet for SizeFormat {
- /// Determine which file size to use in the file size column based on
- /// the user’s options.
- ///
- /// The default mode is to use the decimal prefixes, as they are the
- /// most commonly-understood, and don’t involve trying to parse large
- /// strings of digits in your head. Changing the format to anything else
- /// involves the `--binary` or `--bytes` flags, and these conflict with
- /// each other.
- fn deduce(matches: &getopts::Matches) -> Result<SizeFormat, Misfire> {
- let binary = matches.opt_present("binary");
- let bytes = matches.opt_present("bytes");
- match (binary, bytes) {
- (true, true ) => Err(Misfire::Conflict("binary", "bytes")),
- (true, false) => Ok(SizeFormat::BinaryBytes),
- (false, true ) => Ok(SizeFormat::JustBytes),
- (false, false) => Ok(SizeFormat::DecimalBytes),
- }
- }
- }
- impl OptionSet for TimeTypes {
- /// Determine which of a file’s time fields should be displayed for it
- /// based on the user’s options.
- ///
- /// There are two separate ways to pick which fields to show: with a
- /// flag (such as `--modified`) or with a parameter (such as
- /// `--time=modified`). An error is signaled if both ways are used.
- ///
- /// It’s valid to show more than one column by passing in more than one
- /// option, but passing *no* options means that the user just wants to
- /// see the default set.
- fn deduce(matches: &getopts::Matches) -> Result<TimeTypes, Misfire> {
- let possible_word = matches.opt_str("time");
- let modified = matches.opt_present("modified");
- let created = matches.opt_present("created");
- let accessed = matches.opt_present("accessed");
- if let Some(word) = possible_word {
- if modified {
- return Err(Misfire::Useless("modified", true, "time"));
- }
- else if created {
- return Err(Misfire::Useless("created", true, "time"));
- }
- else if accessed {
- return Err(Misfire::Useless("accessed", true, "time"));
- }
- match &*word {
- "mod" | "modified" => Ok(TimeTypes { accessed: false, modified: true, created: false }),
- "acc" | "accessed" => Ok(TimeTypes { accessed: true, modified: false, created: false }),
- "cr" | "created" => Ok(TimeTypes { accessed: false, modified: false, created: true }),
- otherwise => Err(Misfire::bad_argument("time", otherwise)),
- }
- }
- else if modified || created || accessed {
- Ok(TimeTypes { accessed: accessed, modified: modified, created: created })
- }
- else {
- Ok(TimeTypes::default())
- }
- }
- }
- /// One of these things could happen instead of listing files.
- #[derive(PartialEq, Debug)]
- pub enum Misfire {
- /// The getopts crate didn't like these arguments.
- InvalidOptions(getopts::Fail),
- /// The user asked for help. This isn't strictly an error, which is why
- /// this enum isn't named Error!
- Help(String),
- /// The user wanted the version number.
- Version,
- /// Two options were given that conflict with one another.
- Conflict(&'static str, &'static str),
- /// An option was given that does nothing when another one either is or
- /// isn't present.
- Useless(&'static str, bool, &'static str),
- /// An option was given that does nothing when either of two other options
- /// are not present.
- Useless2(&'static str, &'static str, &'static str),
- /// A numeric option was given that failed to be parsed as a number.
- FailedParse(ParseIntError),
- }
- impl Misfire {
- /// The OS return code this misfire should signify.
- pub fn error_code(&self) -> i32 {
- if let Misfire::Help(_) = *self { 2 }
- else { 3 }
- }
- /// The Misfire that happens when an option gets given the wrong
- /// argument. This has to use one of the `getopts` failure
- /// variants--it’s meant to take just an option name, rather than an
- /// option *and* an argument, but it works just as well.
- pub fn bad_argument(option: &str, otherwise: &str) -> Misfire {
- Misfire::InvalidOptions(getopts::Fail::UnrecognizedOption(format!("--{} {}", option, otherwise)))
- }
- }
- impl fmt::Display for Misfire {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- use self::Misfire::*;
- match *self {
- InvalidOptions(ref e) => write!(f, "{}", e),
- Help(ref text) => write!(f, "{}", text),
- Version => write!(f, "exa {}", env!("CARGO_PKG_VERSION")),
- Conflict(a, b) => write!(f, "Option --{} conflicts with option {}.", a, b),
- Useless(a, false, b) => write!(f, "Option --{} is useless without option --{}.", a, b),
- Useless(a, true, b) => write!(f, "Option --{} is useless given option --{}.", a, b),
- Useless2(a, b1, b2) => write!(f, "Option --{} is useless without options --{} or --{}.", a, b1, b2),
- FailedParse(ref e) => write!(f, "Failed to parse number: {}", e),
- }
- }
- }
- static OPTIONS: &'static str = r##"
- DISPLAY OPTIONS
- -1, --oneline display one entry per line
- -G, --grid display entries in a grid view (default)
- -l, --long display extended details and attributes
- -R, --recurse recurse into directories
- -T, --tree recurse into subdirectories in a tree view
- -x, --across sort multi-column view entries across
- --color, --colour when to colourise the output
- FILTERING AND SORTING OPTIONS
- -a, --all show dot-files
- -d, --list-dirs list directories as regular files
- -r, --reverse reverse order of files
- -s, --sort WORD field to sort by
- --group-directories-first list directories before other files
- "##;
- static LONG_OPTIONS: &'static str = r##"
- LONG VIEW OPTIONS
- -b, --binary use binary prefixes in file sizes
- -B, --bytes list file sizes in bytes, without prefixes
- -g, --group show group as well as user
- -h, --header show a header row at the top
- -H, --links show number of hard links
- -i, --inode show each file's inode number
- -L, --level DEPTH maximum depth of recursion
- -m, --modified display timestamp of most recent modification
- -S, --blocks show number of file system blocks
- -t, --time WORD which timestamp to show for a file
- -u, --accessed display timestamp of last access for a file
- -U, --created display timestamp of creation for a file
- "##;
- static GIT_HELP: &'static str = r##" --git show git status for files"##;
- static EXTENDED_HELP: &'static str = r##" -@, --extended display extended attribute keys and sizes"##;
- #[cfg(test)]
- mod test {
- use super::Options;
- use super::Misfire;
- use feature::xattr;
- fn is_helpful<T>(misfire: Result<T, Misfire>) -> bool {
- match misfire {
- Err(Misfire::Help(_)) => true,
- _ => false,
- }
- }
- #[test]
- fn help() {
- let opts = Options::getopts(&[ "--help".to_string() ]);
- assert!(is_helpful(opts))
- }
- #[test]
- fn help_with_file() {
- let opts = Options::getopts(&[ "--help".to_string(), "me".to_string() ]);
- assert!(is_helpful(opts))
- }
- #[test]
- fn files() {
- let args = Options::getopts(&[ "this file".to_string(), "that file".to_string() ]).unwrap().1;
- assert_eq!(args, vec![ "this file".to_string(), "that file".to_string() ])
- }
- #[test]
- fn no_args() {
- let args = Options::getopts(&[]).unwrap().1;
- assert!(args.is_empty()); // Listing the `.` directory is done in main.rs
- }
- #[test]
- fn file_sizes() {
- let opts = Options::getopts(&[ "--long".to_string(), "--binary".to_string(), "--bytes".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Conflict("binary", "bytes"))
- }
- #[test]
- fn just_binary() {
- let opts = Options::getopts(&[ "--binary".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("binary", false, "long"))
- }
- #[test]
- fn just_bytes() {
- let opts = Options::getopts(&[ "--bytes".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("bytes", false, "long"))
- }
- #[test]
- fn long_across() {
- let opts = Options::getopts(&[ "--long".to_string(), "--across".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("across", true, "long"))
- }
- #[test]
- fn oneline_across() {
- let opts = Options::getopts(&[ "--oneline".to_string(), "--across".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("across", true, "oneline"))
- }
- #[test]
- fn just_header() {
- let opts = Options::getopts(&[ "--header".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("header", false, "long"))
- }
- #[test]
- fn just_group() {
- let opts = Options::getopts(&[ "--group".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("group", false, "long"))
- }
- #[test]
- fn just_inode() {
- let opts = Options::getopts(&[ "--inode".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("inode", false, "long"))
- }
- #[test]
- fn just_links() {
- let opts = Options::getopts(&[ "--links".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("links", false, "long"))
- }
- #[test]
- fn just_blocks() {
- let opts = Options::getopts(&[ "--blocks".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("blocks", false, "long"))
- }
- #[test]
- #[cfg(feature="git")]
- fn just_git() {
- let opts = Options::getopts(&[ "--git".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("git", false, "long"))
- }
- #[test]
- fn extended_without_long() {
- if xattr::ENABLED {
- let opts = Options::getopts(&[ "--extended".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless("extended", false, "long"))
- }
- }
- #[test]
- fn level_without_recurse_or_tree() {
- let opts = Options::getopts(&[ "--level".to_string(), "69105".to_string() ]);
- assert_eq!(opts.unwrap_err(), Misfire::Useless2("level", "recurse", "tree"))
- }
- }
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