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authorLudovic Courtès <ludo@gnu.org>2016-12-31 15:28:28 +0100
committerLudovic Courtès <ludo@gnu.org>2016-12-31 18:35:29 +0100
commitc0b2d08bf473ccc6a95e0ed38ce966befb83c0c1 (patch)
tree7445e318fdccd90ff8d75be85c6cba5269cf4ae4 /guix
parentb13a5b4d16ea47363b3bd21794c101d30c41d994 (diff)
downloadgnu-guix-c0b2d08bf473ccc6a95e0ed38ce966befb83c0c1.tar
gnu-guix-c0b2d08bf473ccc6a95e0ed38ce966befb83c0c1.tar.gz
git-download: Use a single download script for all derivations.
That way, we have only one /gnu/store/…-git-download instead of one /gnu/store/…-PACKAGE-checkout-builder for each package. This is a followup to ced200328ca6337ac446e4557c645629e7d7a997. * guix/git-download.scm (git-fetch)[build]: Get the URL, commit, and recursive parameter using 'getenv'. Pass #:script-name and #:env-vars arguments to 'gexp->derivation'.
Diffstat (limited to 'guix')
-rw-r--r--guix/git-download.scm18
1 files changed, 15 insertions, 3 deletions
diff --git a/guix/git-download.scm b/guix/git-download.scm
index 9cc6dd3d94..81d1d4fbf6 100644
--- a/guix/git-download.scm
+++ b/guix/git-download.scm
@@ -82,14 +82,26 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f."
(((names dirs) ...)
dirs)))
- (git-fetch '#$(git-reference-url ref)
- '#$(git-reference-commit ref)
+ (git-fetch (getenv "git url") (getenv "git commit")
#$output
- #:recursive? '#$(git-reference-recursive? ref)
+ #:recursive? (call-with-input-string
+ (getenv "git recursive?")
+ read)
#:git-command (string-append #+git "/bin/git")))))
(mlet %store-monad ((guile (package->derivation guile system)))
(gexp->derivation (or name "git-checkout") build
+
+ ;; Use environment variables and a fixed script name so
+ ;; there's only one script in store for all the
+ ;; downloads.
+ #:script-name "git-download"
+ #:env-vars
+ `(("git url" . ,(git-reference-url ref))
+ ("git commit" . ,(git-reference-commit ref))
+ ("git recursive?" . ,(object->string
+ (git-reference-recursive? ref))))
+
#:system system
#:local-build? #t ;don't offload repo cloning
#:hash-algo hash-algo