mirror of
https://github.com/nushell/nushell
synced 2024-12-26 13:03:07 +00:00
Feature flagging infrastructure
This commit adds the ability to work on features behind a feature flag
that won't be included in normal builds of nu.
These features are not exposed as Cargo features, as they reflect
incomplete features that are not yet stable.
To create a feature, add it to `features.toml`:
```toml
[hintsv1]
description = "Adding hints based on error states in the highlighter"
enabled = false
```
Each feature in `features.toml` becomes a feature flag accessible to `cfg`:
```rs
println!("hintsv1 is enabled");
```
By default, features are enabled based on the value of the `enabled` field.
You can also enable a feature from the command line via the
`NUSHELL_ENABLE_FLAGS` environment variable:
```sh
$ NUSHELL_ENABLE_FLAGS=hintsv1 cargo run
```
You can enable all flags via `NUSHELL_ENABLE_ALL_FLAGS`.
This commit also updates the CI setup to run the build with all flags off and
with all flags on. It also extracts the linting test into its own
parallelizable test, which means it doesn't need to run together with every
other test anymore.
When working on a feature, you should also add tests behind the same flag. A
commit is mergable if all tests pass with and without the flag, allowing
incomplete commits to land on master as long as the incomplete code builds and
passes tests.
This commit is contained in:
Yehuda Katz
parent
c2c10e2bc0
commit
439889dcef
6 changed files with 98 additions and 28 deletions
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@ -5,10 +5,25 @@ strategy:
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matrix:
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linux-nightly:
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image: ubuntu-16.04
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style: 'unflagged'
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macos-nightly:
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image: macos-10.14
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style: 'unflagged'
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windows-nightly:
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image: vs2017-win2016
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style: 'unflagged'
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linux-nightly-canary:
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image: ubuntu-16.04
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style: 'canary'
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macos-nightly-canary:
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image: macos-10.14
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style: 'canary'
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windows-nightly-canary:
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image: vs2017-win2016
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style: 'canary'
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fmt:
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image: ubuntu-16.04
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style: 'fmt'
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pool:
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vmImage: $(image)
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@ -27,6 +42,11 @@ steps:
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rustup component add rustfmt --toolchain `cat rust-toolchain`
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displayName: Install Rust
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- bash: RUSTFLAGS="-D warnings" cargo test --all-features
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condition: eq(variables['style'], 'unflagged')
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displayName: Run tests
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- bash: NUSHELL_ENABLE_ALL_FLAGS=1 RUSTFLAGS="-D warnings" cargo test --all-features
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condition: eq(variables['style'], 'canary')
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displayName: Run tests
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- bash: cargo fmt --all -- --check
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condition: eq(variables['style'], 'fmt')
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displayName: Lint
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56
Cargo.lock
generated
56
Cargo.lock
generated
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@ -138,7 +138,7 @@ dependencies = [
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"num-bigint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
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"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -148,7 +148,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"autocfg 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -184,7 +184,7 @@ dependencies = [
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"linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"md5 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
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"time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -197,7 +197,7 @@ dependencies = [
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"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"regex-automata 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -260,7 +260,7 @@ dependencies = [
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"libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
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"num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
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"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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"time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -322,7 +322,7 @@ dependencies = [
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"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"rust-ini 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde-hjson 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
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"toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -471,7 +471,7 @@ dependencies = [
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"csv-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -558,7 +558,7 @@ dependencies = [
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"libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
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"ord_subset 3.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -1105,7 +1105,7 @@ name = "indexmap"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -1220,7 +1220,7 @@ dependencies = [
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"itertools 0.7.11 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"render-tree 0.1.1 (git+https://github.com/wycats/language-reporting)",
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde_derive 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
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"termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -1438,7 +1438,7 @@ dependencies = [
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"bincode 1.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_derive 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
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"wasm-bindgen 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -1586,7 +1586,7 @@ dependencies = [
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"rusqlite 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustyline 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde-hjson 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde_bytes 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_ini 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -1616,7 +1616,7 @@ dependencies = [
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"autocfg 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -1808,7 +1808,7 @@ dependencies = [
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"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"line-wrap 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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"xml-rs 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -1893,7 +1893,7 @@ dependencies = [
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"directories 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"isatty 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde-value 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde_derive 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
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"tint 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -2268,7 +2268,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "serde"
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version = "1.0.100"
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version = "1.0.101"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"serde_derive 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -2304,7 +2304,7 @@ version = "0.5.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
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"ordered-float 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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|
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@ -2312,7 +2312,7 @@ name = "serde_bytes"
|
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version = "0.11.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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dependencies = [
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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]
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|
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[[package]]
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|
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@ -2340,7 +2340,7 @@ version = "0.2.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
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"result 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
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]
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@ -2352,7 +2352,7 @@ dependencies = [
|
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"indexmap 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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]
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[[package]]
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@ -2370,7 +2370,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
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"dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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]
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|
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@ -2381,7 +2381,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -2481,7 +2481,7 @@ dependencies = [
|
|||
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"mime 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -2535,7 +2535,7 @@ dependencies = [
|
|||
"onig 4.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"plist 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"regex-syntax 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_derive 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
|
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|
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@ -2641,7 +2641,7 @@ name = "toml"
|
|||
version = "0.4.10"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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]
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|
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[[package]]
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|
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@ -2649,7 +2649,7 @@ name = "toml"
|
|||
version = "0.5.3"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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]
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|
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[[package]]
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|
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@ -2758,7 +2758,7 @@ version = "0.7.4"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
|
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]
|
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|
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[[package]]
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@ -3242,7 +3242,7 @@ dependencies = [
|
|||
"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
|
||||
"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
|
||||
"checksum serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)" = "9dad3f759919b92c3068c696c15c3d17238234498bbdcc80f2c469606f948ac8"
|
||||
"checksum serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)" = "f4473e8506b213730ff2061073b48fa51dcc66349219e2e7c5608f0296a1d95a"
|
||||
"checksum serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)" = "9796c9b7ba2ffe7a9ce53c2287dfc48080f4b2b362fcc245a259b3a7201119dd"
|
||||
"checksum serde-hjson 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0b833c5ad67d52ced5f5938b2980f32a9c1c5ef047f0b4fb3127e7a423c76153"
|
||||
"checksum serde-hjson 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6a3a4e0ea8a88553209f6cc6cfe8724ecad22e1acf372793c27d995290fe74f8"
|
||||
"checksum serde-value 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7a663f873dedc4eac1a559d4c6bc0d0b2c34dc5ac4702e105014b8281489e44f"
|
||||
|
|
|
|||
|
|
@ -106,6 +106,10 @@ features = ["bundled", "blob"]
|
|||
[dev-dependencies]
|
||||
pretty_assertions = "0.6.1"
|
||||
|
||||
[build-dependencies]
|
||||
toml = "0.5.3"
|
||||
serde = { version = "1.0.101", features = ["derive"] }
|
||||
|
||||
[lib]
|
||||
name = "nu"
|
||||
path = "src/lib.rs"
|
||||
|
|
|
|||
39
build.rs
Normal file
39
build.rs
Normal file
|
|
@ -0,0 +1,39 @@
|
|||
use serde::Deserialize;
|
||||
use std::collections::HashMap;
|
||||
use std::collections::HashSet;
|
||||
use std::env;
|
||||
use std::path::Path;
|
||||
|
||||
#[derive(Deserialize)]
|
||||
struct Feature {
|
||||
#[allow(unused)]
|
||||
description: String,
|
||||
enabled: bool,
|
||||
}
|
||||
|
||||
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
let input = env::var("CARGO_MANIFEST_DIR").unwrap();
|
||||
let all_on = env::var("NUSHELL_ENABLE_ALL_FLAGS").is_ok();
|
||||
let flags: HashSet<String> = env::var("NUSHELL_ENABLE_FLAGS")
|
||||
.map(|s| s.split(",").map(|s| s.to_string()).collect())
|
||||
.unwrap_or_else(|_| HashSet::new());
|
||||
|
||||
if all_on && !flags.is_empty() {
|
||||
println!(
|
||||
"cargo:warning={}",
|
||||
"Both NUSHELL_ENABLE_ALL_FLAGS and NUSHELL_ENABLE_FLAGS were set. You don't need both."
|
||||
);
|
||||
}
|
||||
|
||||
let path = Path::new(&input).join("features.toml");
|
||||
|
||||
let toml: HashMap<String, Feature> = toml::from_str(&std::fs::read_to_string(path)?)?;
|
||||
|
||||
for (key, value) in toml.iter() {
|
||||
if value.enabled == true || all_on || flags.contains(key) {
|
||||
println!("cargo:rustc-cfg={}", key);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
4
features.toml
Normal file
4
features.toml
Normal file
|
|
@ -0,0 +1,4 @@
|
|||
[hintsv1]
|
||||
|
||||
description = "Adding hints based upon error states in the syntax highlighter"
|
||||
enabled = false
|
||||
|
|
@ -3,6 +3,9 @@ use log::LevelFilter;
|
|||
use std::error::Error;
|
||||
|
||||
fn main() -> Result<(), Box<dyn Error>> {
|
||||
#[cfg(feature1)]
|
||||
println!("feature1 is enabled");
|
||||
|
||||
let matches = App::new("nushell")
|
||||
.version(clap::crate_version!())
|
||||
.arg(
|
||||
|
|
|
|||
Loading…
Reference in a new issue