Pierre Langlois writes: > * gnu/packages/tree-sitter.scm (tree-sitter-emacs-module): New local variable. > (emacs-tree-sitter-core): New variable. > --- > gnu/packages/tree-sitter.scm | 78 ++++++++++++++++++++++++++++++++++++ > 1 file changed, 78 insertions(+) > > diff --git a/gnu/packages/tree-sitter.scm b/gnu/packages/tree-sitter.scm > index 5209876431..fb3d13b3c7 100644 > --- a/gnu/packages/tree-sitter.scm > +++ b/gnu/packages/tree-sitter.scm > @@ -21,6 +21,7 @@ (define-module (gnu packages tree-sitter) > #:use-module (guix gexp) > #:use-module ((guix licenses) #:prefix license:) > #:use-module (guix build-system cargo) > + #:use-module (guix build-system emacs) > #:use-module (guix build-system gnu) > #:use-module (guix build-system tree-sitter) > #:use-module (guix download) > @@ -688,3 +689,80 @@ (define-public tree-sitter-typescript > "This package provides Typescript and TSX grammars for the Tree-sitter > library.") > (license license:expat)))) > + > +;; Local package definition solely for building the native emacs module > +;; written in Rust. > +(define tree-sitter-emacs-module > + (package > + (name "tree-sitter-emacs-module") > + (version "0.18.0") > + (source (origin > + (method git-fetch) > + (uri (git-reference > + (url "https://github.com/emacs-tree-sitter/elisp-tree-sitter") > + (commit version))) > + (file-name (git-file-name name version)) > + (sha256 > + (base32 > + "1sdvz827v436qijs6xafakkfw2d16bvp8frymd818rppjc7a9dif")))) > + (build-system cargo-build-system) > + (inputs > + (list tree-sitter)) > + (arguments > + `(#:cargo-inputs > + (("rust-anyhow" ,rust-anyhow-1) > + ("rust-emacs" ,rust-emacs-0.18) > + ("rust-libloading" ,rust-libloading-0.7) > + ("rust-once-cell" ,rust-once-cell-1) > + ("rust-tree-sitter" ,rust-tree-sitter-for-emacs)) > + #:phases > + (modify-phases %standard-phases > + (add-after 'unpack 'chdir > + (lambda _ (chdir "core"))) > + (add-after 'chdir 'delete-cargo.lock > + (lambda _ (delete-file "Cargo.lock"))) > + (add-after 'delete-cargo.lock 'do-not-fetch-from-github > + (lambda _ > + (substitute* "Cargo.toml" > + (("\\[patch.*") "") > + (("git = .*") "")))) > + (replace 'install > + (lambda* (#:key outputs #:allow-other-keys) > + (let ((lib (string-append (assoc-ref outputs "out") "/lib"))) > + (install-file "target/release/libtsc_dyn.so" lib))))))) > + (home-page #f) > + (synopsis #f) > + (description #f) > + (license license:expat))) > + > +(define-public emacs-tree-sitter-core > + (package > + (name "emacs-tree-sitter-core") > + (version (package-version tree-sitter-emacs-module)) > + (source (package-source tree-sitter-emacs-module)) > + (build-system emacs-build-system) > + (native-inputs > + (list tree-sitter-emacs-module)) > + (arguments > + `(#:phases > + (modify-phases %standard-phases > + (add-after 'unpack 'chdir > + (lambda _ (chdir "core"))) > + (add-after 'install 'install-module > + (lambda* (#:key inputs outputs #:allow-other-keys) > + (let ((elpa (elpa-directory (assoc-ref outputs "out"))) > + (module (string-append (assoc-ref inputs "tree-sitter-emacs-module") > + "/lib/libtsc_dyn.so"))) > + ;; Writing the version number in this file prevents the package > + ;; from trying to download the module from the internet. > + (call-with-output-file (string-append elpa "/DYN-VERSION") > + (lambda (port) (display ,version port))) > + (substitute* "tsc-dyn-get.el" > + (("defcustom tsc-dyn-dir tsc--dir") > + (string-append "defcustom tsc-dyn-dir \"" elpa "\""))) note to self: We can use emacs-subsitute-variables here.