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git: Add <git-checkout> record type.

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* guix/git.scm (<git-checkout>): New record type.
(latest-repository-commit*): New procedure.
(git-checkout-compiler): New gexp compiler.
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Ludovic Courtès 2018-11-27 14:50:48 +01:00 committed by Ludovic Courtès
parent 35cb37ea9c
commit 49ae3f6d89
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1 changed files with 33 additions and 1 deletions
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34
guix/git.scm
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@ -25,6 +25,8 @@ (define-module (guix git)
#:use-module ((guix build utils) #:select (mkdir-p))
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (rnrs bytevectors)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
@ -33,7 +35,12 @@ (define-module (guix git)
#:use-module (srfi srfi-35)
#:export (%repository-cache-directory
update-cached-checkout
latest-repository-commit))
latest-repository-commit
git-checkout
git-checkout?
git-checkout-url
git-checkout-branch))
(define %repository-cache-directory
(make-parameter (string-append (cache-directory #:ensure? #f)
@ -185,3 +192,28 @@ (define (dot-git? file stat)
(values (add-to-store store name #t "sha256" checkout
#:select? (negate dot-git?))
commit)))
;;;
;;; Checkouts.
;;;
;; Representation of the "latest" checkout of a branch.
(define-record-type* <git-checkout>
git-checkout make-git-checkout
git-checkout?
(url git-checkout-url)
(branch git-checkout-branch (default "master")))
(define latest-repository-commit*
(store-lift latest-repository-commit))
(define-gexp-compiler (git-checkout-compiler (checkout <git-checkout>)
system target)
;; "Compile" CHECKOUT by updating the local checkout and adding it to the
;; store.
(match checkout
(($ <git-checkout> url branch)
(latest-repository-commit* url
#:ref `(branch . ,branch)
#:log-port (current-error-port)))))