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lsp-rust: add lsp-rust-analyzer-cargo-target-dir config #4870

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Merged
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Sep 5, 2025
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lsp-rust: add lsp-rust-analyzer-cargo-target-dir config #4870

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15 changes: 15 additions & 0 deletions clients/lsp-rust.el
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Original file line number Diff line number Diff line change
Expand Up @@ -566,6 +566,20 @@ belongs to."
:group 'lsp-rust-analyzer
:package-version '(lsp-mode . "8.0.0"))

(defcustom lsp-rust-analyzer-cargo-target-dir nil
"Optional path to a rust-analyzer specific target directory.
This prevents rust-analyzer's `cargo check` and initial build-script and
proc-macro building from locking the `Cargo.lock` at the expense of
duplicating build artifacts.

Set to `true` to use a subdirectory of the existing target directory or
set to a path relative to the workspace to use that path."
:type '(choice
(string :tag "Directory")
boolean)
:group 'lsp-rust-analyzer
:package-version '(lsp-mode . "8.0.0"))

(defcustom lsp-rust-analyzer-cargo-watch-enable t
"Enable Cargo watch."
:type 'boolean
Expand Down Expand Up @@ -1717,6 +1731,7 @@ https://github.com/rust-lang/rust-analyzer/blob/master/docs/dev/lsp-extensions.m
:extraArgs ,lsp-rust-analyzer-cargo-extra-args
:extraEnv ,lsp-rust-analyzer-cargo-extra-env
:target ,lsp-rust-analyzer-cargo-target
:targetDir ,lsp-rust-analyzer-cargo-target-dir
:runBuildScripts ,(lsp-json-bool lsp-rust-analyzer-cargo-run-build-scripts)
;; Obsolete, but used by old Rust-Analyzer versions
:loadOutDirsFromCheck ,(lsp-json-bool lsp-rust-analyzer-cargo-run-build-scripts)
Expand Down
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