mirror of
https://github.com/rust-lang/cargo
synced 2024-08-28 11:50:23 +00:00
a46df8fe7d
This is actually a super tricky problem. We don't really have the capacity for more than one line of update-able information in Cargo right now, so we need to squeeze a lot of information into one line of output for Cargo. The main constraints this tries to satisfy are: * At all times it should be clear what's happening. Cargo shouldn't just hang with no output when downloading a crate for a long time, a counter ideally needs to be decreasing while the download progresses. * If a progress bar is shown, it shouldn't jump around. This ends up just being a surprising user experience for most. Progress bars should only ever increase, but they may increase at different speeds. * Cargo has, currently, at most one line of output (as mentioned above) to pack information into. We haven't delved into fancier terminal features that involve multiple lines of update-able output. * When downloading crates as part of `cargo build` (the norm) we don't actually know ahead of time how many crates are being downloaded. We rely on the calculation of unit dependencies to naturally feed into downloading more crates. * Furthermore, once we decide to download a crate, we don't actually know how big it is! We have to wait for the server to tell us how big it is. There doesn't really seem to be a great solution that satisfies all of these constraints unfortunately. As a result this commit implements a relatively conservative solution which should hopefully get us most of the way there. There isn't actually a progress bar but rather Cargo prints that it's got N crates left to download, and if it takes awhile it prints out that there are M bytes remaining. Unfortunately the progress is pretty choppy and jerky, not providing a smooth UI. This appears to largely be because Cargo will synchronously extract tarballs, which for large crates can cause a noticeable pause. Cargo's not really prepared internally to perform this work on helper threads, but ideally if it could do so it would improve the output quite a bit! (making it much smoother and also able to account for the time tarball extraction takes).
105 lines
2.2 KiB
TOML
105 lines
2.2 KiB
TOML
[package]
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name = "cargo"
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version = "0.32.0"
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authors = ["Yehuda Katz <wycats@gmail.com>",
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"Carl Lerche <me@carllerche.com>",
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"Alex Crichton <alex@alexcrichton.com>"]
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license = "MIT OR Apache-2.0"
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homepage = "https://crates.io"
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repository = "https://github.com/rust-lang/cargo"
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documentation = "https://docs.rs/cargo"
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description = """
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Cargo, a package manager for Rust.
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"""
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[lib]
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name = "cargo"
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path = "src/cargo/lib.rs"
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[dependencies]
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atty = "0.2"
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bytesize = "1.0"
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crates-io = { path = "src/crates-io", version = "0.20" }
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crossbeam-utils = "0.5"
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crypto-hash = "0.3.1"
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curl = { version = "0.4.15", features = ['http2'] }
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env_logger = "0.5.11"
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failure = "0.1.2"
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filetime = "0.2"
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flate2 = "1.0"
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fs2 = "0.4"
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git2 = "0.7.5"
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git2-curl = "0.8.1"
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glob = "0.2.11"
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hex = "0.3"
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home = "0.3"
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ignore = "0.4"
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lazy_static = "1.0.0"
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jobserver = "0.1.11"
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lazycell = "1.0"
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libc = "0.2"
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log = "0.4"
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libgit2-sys = "0.7.5"
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num_cpus = "1.0"
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opener = "0.3.0"
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rustfix = "0.4.2"
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same-file = "1"
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semver = { version = "0.9.0", features = ["serde"] }
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serde = "1.0"
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serde_derive = "1.0"
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serde_ignored = "0.0.4"
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serde_json = "1.0.24"
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shell-escape = "0.1.4"
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tar = { version = "0.4.15", default-features = false }
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tempfile = "3.0"
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termcolor = "1.0"
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toml = "0.4.2"
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url = "1.1"
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clap = "2.31.2"
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unicode-width = "0.1.5"
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openssl = { version = '0.10.11', optional = true }
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# A noop dependency that changes in the Rust repository, it's a bit of a hack.
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# See the `src/tools/rustc-workspace-hack/README.md` file in `rust-lang/rust`
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# for more information.
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rustc-workspace-hack = "1.0.0"
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[target.'cfg(target_os = "macos")'.dependencies]
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core-foundation = { version = "0.6.0", features = ["mac_os_10_7_support"] }
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[target.'cfg(windows)'.dependencies]
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miow = "0.3.1"
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fwdansi = "1"
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[target.'cfg(windows)'.dependencies.winapi]
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version = "0.3"
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features = [
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"basetsd",
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"handleapi",
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"jobapi",
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"jobapi2",
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"memoryapi",
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"minwindef",
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"ntdef",
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"ntstatus",
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"processenv",
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"processthreadsapi",
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"psapi",
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"synchapi",
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"winerror",
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"winbase",
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"wincon",
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"winnt",
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]
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[dev-dependencies]
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bufstream = "0.1"
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[[bin]]
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name = "cargo"
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test = false
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doc = false
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[features]
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vendored-openssl = ['openssl/vendored']
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