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#67 in #crates
53KB
1K
SLoC
whatfeatures
Table of Contents
- Install
- Usage
- Examples
- Features
- Simple listing
- Dependencies
- JSON output
- list the features for the latest version as json
- list the features for a specific version as json
- display yanked releases that are newer than the current as json
- list all name and version pairs as json
- list all name and version pairs including yanked versions as json
- list all features for all versions as json
- list the deps for the latest version as json
- list the deps for a specific version as json
Install
with rustup installed, simply do:
cargo install whatfeatures
Usage
USAGE:
whatfeatures [FLAGS] [OPTIONS] <crate>
FLAGS:
-d, --deps Display dependencies for this crate
-h, --help Prints help information
-j, --json Use JSON as the output format. Defaults to a textual format
-l, --list List all versions for the crate
-n, --no-features Disable listing the features for the crate
-s, --short Display only the name and version, such as foo/0.1.2
-y, --show-yanked Shows any yanked versions. Defaults to hiding them
OPTIONS:
-c, --color <bool> Attempts to use colors when printing as text [default: true]
-v, --version <semver> A specific version to lookup. e.g. 0.7.1
ARGS:
<crate> The name of the crate to retrieve information for
This allows you to lookup a specific crate, at a specific version and get its default and optional features. It also allows listing the deps for the specified crate.
Examples:
Features
list the features for the latest version
cargo whatfeatures serde
serde/1.0.97
default: std
alloc
derive: serde_derive
rc
std
unstable
list the features for a specific version
cargo whatfeatures twitchchat -v 0.5.0
twitchchat/0.5.0
default: all
all: serde_hashbrown, parking_lot
serde_hashbrown: serde, hashbrown/serde
display yanked releases that are newer than the current
cargo whatfeatures futures --show-yanked
yanked: futures/0.2.3-docs-yank.4
no default features
Simple listing
list all name and version pairs
cargo whatfeatures --list --short lock-api
lock_api/0.3.1
lock_api/0.2.0
lock_api/0.1.5
lock_api/0.1.4
lock_api/0.1.3
lock_api/0.1.1
lock_api/0.1.0
list all name and version pairs, including yanked versions
cargo whatfeatures --list --short --show-yanked lock-api
lock_api/0.3.1
yanked: lock_api/0.3.0
lock_api/0.2.0
lock_api/0.1.5
lock_api/0.1.4
lock_api/0.1.3
yanked: lock_api/0.1.2
lock_api/0.1.1
lock_api/0.1.0
list all features for all versions
cargo whatfeatures simple-logger --list
simple_logger/1.3.0
default: colored
simple_logger/1.2.0
default: colored
simple_logger/1.1.0
no default features
simple_logger/1.0.1
no default features
simple_logger/1.0.0
no default features
simple_logger/0.5.0
no default features
simple_logger/0.4.0
no default features
simple_logger/0.3.1
no default features
simple_logger/0.3.0
no default features
simple_logger/0.1.0
no default features
simple_logger/0.0.2
no default features
Dependencies
list the deps for the latest version
note use -f false
to not list the features
cargo whatfeatures curl --deps
curl/0.4.22
features
default: ssl
force-system-lib-on-osx: curl-sys/force-system-lib-on-osx
http2: curl-sys/http2
ssl: openssl-sys, openssl-probe, curl-sys/ssl
static-curl: curl-sys/static-curl
static-ssl: curl-sys/static-ssl
dependencies
normal
openssl-probe = ^0.1.2 if cfg(all(unix, not(target_os = "macos")))
openssl-sys = ^0.9.43 if cfg(all(unix, not(target_os = "macos")))
optional
curl-sys = ^0.4.18
kernel32-sys = ^0.2.2 if cfg(target_env = "msvc")
libc = ^0.2.42
schannel = ^0.1.13 if cfg(target_env = "msvc")
socket2 = ^0.3.7
winapi = ^0.2.7 if cfg(windows)
dev
mio = ^0.6
mio-extras = ^2.0.3
list the deps for a specific version
note use -f false
to not list the features
cargo whatfeatures curl --deps -v 0.3.0
curl/0.3.0
features
no default features
dependencies
normal
optional
curl-sys = ^0.2.0
libc = ^0.2
openssl-sys = ^0.7.0 if cfg(all(unix, not(target_os = "macos")))
dev
mio = ^0.5
JSON output
list the features for a specific version as json
whatfeatures serde -j | jq .
{
"name": "serde",
"version": "1.0.97",
"yanked": false,
"features": {
"std": [],
"unstable": [],
"alloc": [],
"default": [
"std"
],
"rc": [],
"derive": [
"serde_derive"
]
}
}
display yanked releases that are newer than the current as json
whatfeatures twitchchat -v 0.5.0 -j | jq .
{
"name": "twitchchat",
"version": "0.5.0",
"yanked": false,
"features": {
"serde_hashbrown": [
"serde",
"hashbrown/serde"
],
"default": [
"all"
],
"all": [
"serde_hashbrown",
"parking_lot"
]
}
}
list all versions and features for a crate as json
whatfeatures futures --show-yanked -j | jq .
{
"name": "futures",
"version": "0.2.3-docs-yank.4",
"yanked": true,
"features": {}
}
list all name and version pairs as json
whatfeatures --list --short lock-api -j | jq .
{
"lock_api": [
{
"version": "0.3.1",
"yanked": false
},
{
"version": "0.2.0",
"yanked": false
},
{
"version": "0.1.5",
"yanked": false
},
{
"version": "0.1.4",
"yanked": false
},
{
"version": "0.1.3",
"yanked": false
},
{
"version": "0.1.1",
"yanked": false
},
{
"version": "0.1.0",
"yanked": false
}
]
}
list all name and version pairs including yanked versions as json
whatfeatures --list --short --show-yanked lock-api -j | jq .
{
"lock_api": [
{
"version": "0.3.1",
"yanked": false
},
{
"version": "0.3.0",
"yanked": true
},
{
"version": "0.2.0",
"yanked": false
},
{
"version": "0.1.5",
"yanked": false
},
{
"version": "0.1.4",
"yanked": false
},
{
"version": "0.1.3",
"yanked": false
},
{
"version": "0.1.2",
"yanked": true
},
{
"version": "0.1.1",
"yanked": false
},
{
"version": "0.1.0",
"yanked": false
}
]
}
list all features for all versions as json
whatfeatures simple-logger --list -j | jq .
{
"simple_logger": [
{
"version": "1.3.0",
"features": {
"default": [
"colored"
]
},
"yanked": false
},
{
"version": "1.2.0",
"features": {
"default": [
"colored"
]
},
"yanked": false
},
{
"version": "1.1.0",
"features": {},
"yanked": false
},
{
"version": "1.0.1",
"features": {},
"yanked": false
},
{
"version": "1.0.0",
"features": {},
"yanked": false
},
{
"version": "0.5.0",
"features": {},
"yanked": false
},
{
"version": "0.4.0",
"features": {},
"yanked": false
},
{
"version": "0.3.1",
"features": {},
"yanked": false
},
{
"version": "0.3.0",
"features": {},
"yanked": false
},
{
"version": "0.1.0",
"features": {},
"yanked": false
},
{
"version": "0.0.2",
"features": {},
"yanked": false
}
]
}
list the deps for the latest version as json
whatfeatures curl --deps -j | jq .
{
"name": "curl",
"version": "0.4.22",
"yanked": false,
"features": {
"ssl": [
"openssl-sys",
"openssl-probe",
"curl-sys/ssl"
],
"force-system-lib-on-osx": [
"curl-sys/force-system-lib-on-osx"
],
"static-curl": [
"curl-sys/static-curl"
],
"default": [
"ssl"
],
"http2": [
"curl-sys/http2"
],
"static-ssl": [
"curl-sys/static-ssl"
]
},
"dependencies": {
"normal": [
{
"curl-sys": {
"req": "^0.4.18",
"optional": false,
"default_features": false,
"features": [],
"target": null
}
},
{
"kernel32-sys": {
"req": "^0.2.2",
"optional": false,
"default_features": true,
"features": [],
"target": "cfg(target_env = \"msvc\")"
}
},
{
"libc": {
"req": "^0.2.42",
"optional": false,
"default_features": true,
"features": [],
"target": null
}
},
{
"schannel": {
"req": "^0.1.13",
"optional": false,
"default_features": true,
"features": [],
"target": "cfg(target_env = \"msvc\")"
}
},
{
"socket2": {
"req": "^0.3.7",
"optional": false,
"default_features": true,
"features": [],
"target": null
}
},
{
"winapi": {
"req": "^0.2.7",
"optional": false,
"default_features": true,
"features": [],
"target": "cfg(windows)"
}
},
{
"openssl-probe": {
"req": "^0.1.2",
"optional": true,
"default_features": true,
"features": [],
"target": "cfg(all(unix, not(target_os = \"macos\")))"
}
},
{
"openssl-sys": {
"req": "^0.9.43",
"optional": true,
"default_features": true,
"features": [],
"target": "cfg(all(unix, not(target_os = \"macos\")))"
}
}
],
"dev": [
{
"mio": {
"req": "^0.6",
"optional": false,
"default_features": true,
"features": [],
"target": null
}
},
{
"mio-extras": {
"req": "^2.0.3",
"optional": false,
"default_features": true,
"features": [],
"target": null
}
}
]
}
}
list the deps for a specific version as json
whatfeatures curl --deps -v 0.3.0 -j | jq .
{
"name": "curl",
"version": "0.3.0",
"yanked": false,
"features": {},
"dependencies": {
"normal": [
{
"curl-sys": {
"req": "^0.2.0",
"optional": false,
"default_features": true,
"features": [],
"target": null
}
},
{
"libc": {
"req": "^0.2",
"optional": false,
"default_features": true,
"features": [],
"target": null
}
},
{
"openssl-sys": {
"req": "^0.7.0",
"optional": false,
"default_features": true,
"features": [],
"target": "cfg(all(unix, not(target_os = \"macos\")))"
}
}
],
"dev": [
{
"mio": {
"req": "^0.5",
"optional": false,
"default_features": true,
"features": [],
"target": null
}
}
]
}
}
Dependencies
~6.5MB
~138K SLoC