src/cargo/util/mod.rs

   1 use std::fmt;
   2 use std::time::Duration;
   3
   4 pub use self::canonical_url::CanonicalUrl;
   5 pub use self::config::{homedir, Config, ConfigValue};
   6 pub(crate) use self::counter::MetricsCounter;
   7 pub use self::dependency_queue::DependencyQueue;
   8 pub use self::diagnostic_server::RustfixDiagnosticServer;
   9 pub use self::errors::CliError;
  10 pub use self::errors::{internal, CargoResult, CliResult};
  11 pub use self::flock::{FileLock, Filesystem};
  12 pub use self::graph::Graph;
  13 pub use self::hasher::StableHasher;
  14 pub use self::hex::{hash_u64, short_hash, to_hex};
  15 pub use self::into_url::IntoUrl;
  16 pub use self::into_url_with_base::IntoUrlWithBase;
  17 pub use self::lev_distance::{closest, closest_msg, lev_distance};
  18 pub use self::lockserver::{LockServer, LockServerClient, LockServerStarted};
  19 pub use self::progress::{Progress, ProgressStyle};
  20 pub use self::queue::Queue;
  21 pub use self::restricted_names::validate_package_name;
  22 pub use self::rustc::Rustc;
  23 pub use self::semver_ext::{OptVersionReq, VersionExt, VersionReqExt};
  24 pub use self::to_semver::ToSemver;
  25 pub use self::vcs::{existing_vcs_repo, FossilRepo, GitRepo, HgRepo, PijulRepo};
  26 pub use self::workspace::{
  27     add_path_args, path_args, print_available_benches, print_available_binaries,
  28     print_available_examples, print_available_packages, print_available_tests,
  29 };
  30
  31 mod canonical_url;
  32 pub mod command_prelude;
  33 pub mod config;
  34 mod counter;
  35 pub mod cpu;
  36 mod dependency_queue;
  37 pub mod diagnostic_server;
  38 pub mod errors;
  39 mod flock;
  40 pub mod graph;
  41 mod hasher;
  42 pub mod hex;
  43 pub mod important_paths;
  44 pub mod interning;
  45 pub mod into_url;
  46 mod into_url_with_base;
  47 pub mod job;
  48 pub mod lev_distance;
  49 mod lockserver;
  50 pub mod machine_message;
  51 pub mod network;
  52 pub mod profile;
  53 mod progress;
  54 mod queue;
  55 pub mod restricted_names;
  56 pub mod rustc;
  57 mod semver_ext;
  58 pub mod to_semver;
  59 pub mod toml;
  60 mod vcs;
  61 mod workspace;
  62
  63 pub fn elapsed(duration: Duration) -> String {
  64     let secs = duration.as_secs();
  65
  66     if secs >= 60 {
  67         format!("{}m {:02}s", secs / 60, secs % 60)
  68     } else {
  69         format!("{}.{:02}s", secs, duration.subsec_nanos() / 10_000_000)
  70     }
  71 }
  72
  73 pub fn iter_join_onto<W, I, T>(mut w: W, iter: I, delim: &str) -> fmt::Result
  74 where
  75     W: fmt::Write,
  76     I: IntoIterator<Item = T>,
  77     T: std::fmt::Display,
  78 {
  79     let mut it = iter.into_iter().peekable();
  80     while let Some(n) = it.next() {
  81         write!(w, "{}", n)?;
  82         if it.peek().is_some() {
  83             write!(w, "{}", delim)?;
  84         }
  85     }
  86     Ok(())
  87 }
  88
  89 pub fn iter_join<I, T>(iter: I, delim: &str) -> String
  90 where
  91     I: IntoIterator<Item = T>,
  92     T: std::fmt::Display,
  93 {
  94     let mut s = String::new();
  95     let _ = iter_join_onto(&mut s, iter, delim);
  96     s
  97 }
  98
  99 pub fn indented_lines(text: &str) -> String {
 100     text.lines()
 101         .map(|line| {
 102             if line.is_empty() {
 103                 String::from("\n")
 104             } else {
 105                 format!("  {}\n", line)
 106             }
 107         })
 108         .collect()
 109 }