diff options
| -rw-r--r-- | doc/guix.texi | 7 | ||||
| -rw-r--r-- | guix/build/cargo-build-system.scm | 48 |
2 files changed, 50 insertions, 5 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index ccc36a8a97..cb60d5c7b7 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -5854,8 +5854,11 @@ should be added to the package definition via the In its @code{configure} phase, this build system will make any source inputs specified in the @code{#:cargo-inputs} and @code{#:cargo-development-inputs} -parameters available to cargo. The @code{install} phase installs any crate -the binaries if they are defined by the crate. +parameters available to cargo. The @code{update-cargo-lock} phase will, +when there is a @code{Cargo.lock} file, update the @code{Cargo.lock} file +with the inputs and their versions available at build time. The +@code{install} phase installs any crate the binaries if they are defined by +the crate. @end defvr @cindex Clojure (programming language) diff --git a/guix/build/cargo-build-system.scm b/guix/build/cargo-build-system.scm index f38de16cf7..7d363a18a5 100644 --- a/guix/build/cargo-build-system.scm +++ b/guix/build/cargo-build-system.scm @@ -2,6 +2,7 @@ ;;; Copyright © 2016 David Craven <david@craven.ch> ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> ;;; Copyright © 2019 Ivan Petkov <ivanppetkov@gmail.com> +;;; Copyright © 2019 Efraim Flashner <efraim@flashner.co.il> ;;; ;;; This file is part of GNU Guix. ;;; @@ -39,6 +40,21 @@ ;; ;; Code: +;; TODO: Move this to (guix build cargo-utils). Will cause a full rebuild +;; of all rust compilers. + +(define (generate-all-checksums dir-name) + (for-each + (lambda (filename) + (let* ((dir (dirname filename)) + (checksum-file (string-append dir "/.cargo-checksum.json"))) + (when (file-exists? checksum-file) (delete-file checksum-file)) + (display (string-append + "patch-cargo-checksums: generate-checksums for " + dir "\n")) + (generate-checksums dir))) + (find-files dir-name "Cargo.toml$"))) + (define (manifest-targets) "Extract all targets from the Cargo.toml manifest" (let* ((port (open-input-pipe "cargo read-manifest")) @@ -94,8 +110,7 @@ Cargo.toml file present at its root." ;; so that we can generate any cargo checksums. ;; The --strip-components argument is needed to prevent creating ;; an extra directory within `crate-dir`. - (invoke "tar" "xvf" path "-C" crate-dir "--strip-components" "1") - (generate-checksums crate-dir))))) + (invoke "tar" "xvf" path "-C" crate-dir "--strip-components" "1"))))) inputs) ;; Configure cargo to actually use this new directory. @@ -121,6 +136,31 @@ directory = '" port) (setenv "CC" (string-append (assoc-ref inputs "gcc") "/bin/gcc")) #t) +;; The Cargo.lock file tells the build system which crates are required for +;; building and hardcodes their version and checksum. In order to build with +;; the inputs we provide, we need to recreate the file with our inputs. +(define* (update-cargo-lock #:key + (vendor-dir "guix-vendor") + #:allow-other-keys) + "Regenerate the Cargo.lock file with the current build inputs." + (when (file-exists? "Cargo.lock") + (begin + ;; Unfortunately we can't generate a Cargo.lock file until the checksums + ;; are generated, so we have an extra round of generate-all-checksums here. + (generate-all-checksums vendor-dir) + (delete-file "Cargo.lock") + (invoke "cargo" "generate-lockfile"))) + #t) + +;; After the 'patch-generated-file-shebangs phase any vendored crates who have +;; their shebangs patched will have a mismatch on their checksum. +(define* (patch-cargo-checksums #:key + (vendor-dir "guix-vendor") + #:allow-other-keys) + "Patch the checksums of the vendored crates after patching their shebangs." + (generate-all-checksums vendor-dir) + #t) + (define* (build #:key skip-build? (cargo-build-flags '("--release")) @@ -162,7 +202,9 @@ directory = '" port) (replace 'configure configure) (replace 'build build) (replace 'check check) - (replace 'install install))) + (replace 'install install) + (add-after 'configure 'update-cargo-lock update-cargo-lock) + (add-after 'patch-generated-file-shebangs 'patch-cargo-checksums patch-cargo-checksums))) (define* (cargo-build #:key inputs (phases %standard-phases) #:allow-other-keys #:rest args) |