Prints package metadata like pip show, apt-cache show, npm view, gem query, etc.
To install:
sh
$ cargo install cargo-show
Updating registry `https://github.com/rust-lang/crates.io-index`
Downloading cargo-show v0.5.4
Installing cargo-show v0.5.4
Compiling cc v1.0.18
Compiling pkg-config v0.3.12
Compiling unicode-xid v0.0.4
...
Compiling g-k-crates-io-client v0.16.0
Compiling docopt v0.8.3
Compiling cargo-show v0.5.4
Finished release [optimized] target(s) in 3m 27.44s
Installing /Users/greg/.cargo/bin/cargo-show
$
Usage:
```sh
$ cargo show --help
Usage:
cargo show [options]
Options: --json Print the JSON response. -L --dependencies Print the crate's dependencies as well. -h --help Show this help page. --version Show version.
Display a metadata for a create at crates.io. ```
To print package metadata:
```sh $ cargo show webrender servo
id: servo name: servo description: Parked non-servo thing documentation: None homepage: None repository: None max_version: 0.0.1 downloads: 1276 license: None created: 2014-12-04T23:41:05.915728+00:00 updated: 2015-12-11T23:55:55.315022+00:00 ```
To print JSON:
json
$ cargo show --json serde | cut -b '1-120'
{"crate":{"id":"serde","name":"serde","updated_at":"2018-07-07T03:21:52.415378+00:00","versions":[98987,98381,98173,9801
To print package metadata and direct dependencies (alternatively use -L):
```sh
id: time name: time description: Utilities for working with time-related functions in Rust.
documentation: https://doc.rust-lang.org/time homepage: https://github.com/rust-lang/time repository: https://github.com/rust-lang/time maxversion: 0.1.40 downloads: 4010914 license: None created: 2014-11-13T06:52:51.369245+00:00 updated: 2018-05-10T19:25:59.151982+00:00 dependencies: libc ^0.2.1 log ^0.4 (dev) redoxsyscall ^0.1 winapi ^0.3.0 winapi ^0.3.0 (dev) rustc-serialize ^0.3 (opt) ```
To print package metadata and direct dependencies as JSON:
sh
$ cargo show --dependencies --json time | python -m json.tool | head -n25
{
"dependencies": [
{
"crate_id": "libc",
"default_features": true,
"downloads": 0,
"features": [],
"id": 414415,
"kind": "normal",
"optional": false,
"req": "^0.2.1",
"target": null,
"version_id": 92243
},
{
"crate_id": "log",
"default_features": true,
"downloads": 0,
"features": [],
"id": 414417,
"kind": "dev",
"optional": false,
"req": "^0.4",
"target": null,
"version_id": 92243
To rename the command if you're used to other package managers:
sh
$ cd /usr/local/bin/ # or someplace in path
$ ln $(which cargo-show) cargo-flizblorp # needs to be a hardlink
$ cargo --list | grep fliz
flizblorp