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feat(config): read config files as a layer #856

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Merged
jdx merged 1 commit into from
Aug 13, 2026
Merged

feat(config): read config files as a layer #856

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60 changes: 59 additions & 1 deletion Cargo.lock
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14 changes: 12 additions & 2 deletions config/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,19 @@ authors = { workspace = true }
license = { workspace = true }

# Nothing here parses KDL: a spec is read at *build* time by usage-config-build, which emits
# the registry as consts. This crate is what runs in the CLI, so it carries no spec parser,
# no serde_json, and no format reader it was not asked for.
# the registry as consts. This crate is what runs in the CLI, so it carries no spec parser
# and no format reader it was not asked for.
[dependencies]
toml = { version = "0.9", optional = true }
serde_json = { version = "1", optional = true }

# Reading config files is opt-in, one format at a time, so the default is still no
# dependencies at all: a CLI whose files are pkl or `.npmrc` writes its own layer against
# `Layer` and takes nothing it does not use.
[features]
default = []
toml = ["dep:toml"]
json = ["dep:serde_json"]

[package.metadata.release]
shared-version = true
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