diff options
| -rw-r--r-- | guix/build/cargo-build-system.scm | 116 |
1 files changed, 95 insertions, 21 deletions
diff --git a/guix/build/cargo-build-system.scm b/guix/build/cargo-build-system.scm index 7d656a8d58..f11d858749 100644 --- a/guix/build/cargo-build-system.scm +++ b/guix/build/cargo-build-system.scm @@ -19,13 +19,16 @@ (define-module (guix build cargo-build-system) #:use-module ((guix build gnu-build-system) #:prefix gnu:) #:use-module (guix build utils) + #:use-module (ice-9 popen) + #:use-module (ice-9 rdelim) #:use-module (ice-9 ftw) #:use-module (ice-9 format) #:use-module (ice-9 match) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:export (%standard-phases - cargo-build)) + cargo-build + generate-checksums)) ;; Commentary: ;; @@ -45,27 +48,57 @@ "Replace Cargo.toml [dependencies] section with guix inputs." ;; Make sure Cargo.toml is writeable when the crate uses git-fetch. (chmod "Cargo.toml" #o644) - (let ((port (open-file "Cargo.toml" "a" #:encoding "utf-8"))) - (format port "~%[replace]~%") - (for-each - (match-lambda - ((name . path) - (let ((crate (package-name->crate-name name))) - (when (and crate path) - (match (string-split (basename path) #\-) - ((_ ... version) - (format port "\"~a:~a\" = { path = \"~a/share/rust-source\" }~%" - crate version path))))))) - inputs) - (close-port port)) + (chmod "." #o755) + (if (not (file-exists? "vendor")) + (if (not (file-exists? "Cargo.lock")) + (begin + (substitute* "Cargo.toml" + ((".*32-sys.*") " +") + ((".*winapi.*") " +") + ((".*core-foundation.*") " +")) + ;; Prepare one new directory with all the required dependencies. + ;; It's necessary to do this (instead of just using /gnu/store as the + ;; directory) because we want to hide the libraries in subdirectories + ;; share/rust-source/... instead of polluting the user's profile root. + (mkdir "vendor") + (for-each + (match-lambda + ((name . path) + (let ((crate (package-name->crate-name name))) + (when (and crate path) + (match (string-split (basename path) #\-) + ((_ ... version) + (symlink (string-append path "/share/rust-source") + (string-append "vendor/" (basename path))))))))) + inputs) + ;; Configure cargo to actually use this new directory. + (mkdir-p ".cargo") + (let ((port (open-file ".cargo/config" "w" #:encoding "utf-8"))) + (display " +[source.crates-io] +registry = 'https://github.com/rust-lang/crates.io-index' +replace-with = 'vendored-sources' + +[source.vendored-sources] +directory = '" port) + (display (getcwd) port) + (display "/vendor" port) + (display "' +" port) + (close-port port))))) + (setenv "CC" (string-append (assoc-ref inputs "gcc") "/bin/gcc")) + + ;(setenv "CARGO_HOME" "/gnu/store") + ; (setenv "CMAKE_C_COMPILER" cc) #t) -(define* (build #:key (cargo-build-flags '("--release" "--frozen")) +(define* (build #:key (cargo-build-flags '("--release")) #:allow-other-keys) "Build a given Cargo package." - (if (file-exists? "Cargo.lock") - (zero? (apply system* `("cargo" "build" ,@cargo-build-flags))) - #t)) + (zero? (apply system* `("cargo" "build" ,@cargo-build-flags)))) (define* (check #:key tests? #:allow-other-keys) "Run tests for a given Cargo package." @@ -73,6 +106,44 @@ (zero? (system* "cargo" "test")) #t)) +(define (file-sha256 file-name) + "Calculate the hexdigest of the sha256 checksum of FILE-NAME and return it." + (let ((port (open-pipe* OPEN_READ + "sha256sum" + "--" + file-name))) + (let ((result (read-delimited " " port))) + (close-pipe port) + result))) + +;; Example dir-name: "/gnu/store/hwlr49riz3la33m6in2n898ly045ylld-rust-rand-0.3.15". +(define (generate-checksums dir-name src-name) + "Given DIR-NAME, checksum all the files in it one by one and put the + result into the file \".cargo-checksum.json\" in the same directory. + Also includes the checksum of an extra file SRC-NAME as if it was + part of the directory DIR-NAME with name \"package\"." + (let* ((file-names (find-files dir-name ".")) + (dir-prefix-name (string-append dir-name "/")) + (dir-prefix-name-len (string-length dir-prefix-name)) + (checksums-file-name (string-append dir-name "/.cargo-checksum.json"))) + (call-with-output-file checksums-file-name + (lambda (port) + (display "{\"files\":{" port) + (let ((sep "")) + (for-each (lambda (file-name) + (let ((file-relative-name (string-drop file-name dir-prefix-name-len))) + (display sep port) + (set! sep ",") + (write file-relative-name port) + (display ":" port) + (write (file-sha256 file-name) port))) file-names)) + (display "},\"package\":" port) + (write (file-sha256 src-name) port) + (display "}" port))))) + +(define (touch file-name) + (call-with-output-file file-name (const #t))) + (define* (install #:key inputs outputs #:allow-other-keys) "Install a given Cargo package." (let* ((out (assoc-ref outputs "out")) @@ -86,16 +157,19 @@ ;; distributing crates as source and replacing ;; references in Cargo.toml with store paths. (copy-recursively "src" (string-append rsrc "/src")) + (touch (string-append rsrc "/.cargo-ok")) + (generate-checksums rsrc src) (install-file "Cargo.toml" rsrc) ;; When the package includes executables we install ;; it using cargo install. This fails when the crate ;; doesn't contain an executable. (if (file-exists? "Cargo.lock") - (system* "cargo" "install" "--root" out) - (mkdir out)))) + (zero? (system* "cargo" "install" "--root" out)) + (begin + (mkdir out) + #t)))) (define %standard-phases - ;; 'configure' phase is not needed. (modify-phases gnu:%standard-phases (replace 'configure configure) (replace 'build build) |