diff options
Diffstat (limited to 'guix/git-download.scm')
| -rw-r--r-- | guix/git-download.scm | 126 |
1 files changed, 77 insertions, 49 deletions
diff --git a/guix/git-download.scm b/guix/git-download.scm index d88f4c40ee..5d5d73dc6b 100644 --- a/guix/git-download.scm +++ b/guix/git-download.scm @@ -27,7 +27,9 @@ #:use-module (guix records) #:use-module (guix packages) #:use-module (guix modules) + #:use-module ((guix derivations) #:select (raw-derivation)) #:autoload (guix build-system gnu) (standard-packages) + #:autoload (guix download) (%download-fallback-test) #:autoload (git bindings) (libgit2-init!) #:autoload (git repository) (repository-open repository-close! @@ -77,15 +79,19 @@ (let ((distro (resolve-interface '(gnu packages version-control)))) (module-ref distro 'git-minimal))) -(define* (git-fetch ref hash-algo hash - #:optional name - #:key (system (%current-system)) (guile (default-guile)) - (git (git-package))) - "Return a fixed-output derivation that fetches REF, a <git-reference> -object. The output is expected to have recursive hash HASH of type -HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." +(define* (git-fetch/in-band ref hash-algo hash + #:optional name + #:key (system (%current-system)) + (guile (default-guile)) + (git (git-package))) + "Return a fixed-output derivation that performs a Git checkout of REF, using +GIT and GUILE (thus, said derivation depends on GIT and GUILE). + +This method is deprecated in favor of the \"builtin:git-download\" builder. +It will be removed when versions of guix-daemon implementing +\"builtin:git-download\" will be sufficiently widespread." (define inputs - `(("git" ,git) + `(("git" ,(or git (git-package))) ;; When doing 'git clone --recursive', we need sed, grep, etc. to be ;; available so that 'git submodule' works. @@ -116,19 +122,16 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." (define modules (delete '(guix config) (source-module-closure '((guix build git) - (guix build utils) - (guix build download-nar) - (guix swh))))) + (guix build utils))))) (define build (with-imported-modules modules - (with-extensions (list guile-json gnutls ;for (guix swh) + (with-extensions (list guile-json gnutls ;for (guix swh) guile-lzlib) #~(begin (use-modules (guix build git) - (guix build utils) - (guix build download-nar) - (guix swh) + ((guix build utils) + #:select (set-path-environment-variable)) (ice-9 match)) (define recursive? @@ -151,40 +154,13 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." (setvbuf (current-output-port) 'line) (setvbuf (current-error-port) 'line) - (or (git-fetch (getenv "git url") (getenv "git commit") - #$output - #:recursive? recursive? - #:git-command "git") - (download-nar #$output) - - ;; As a last resort, attempt to download from Software Heritage. - ;; Disable X.509 certificate verification to avoid depending - ;; on nss-certs--we're authenticating the checkout anyway. - ;; XXX: Currently recursive checkouts are not supported. - (and (not recursive?) - (parameterize ((%verify-swh-certificate? #f)) - (format (current-error-port) - "Trying to download from Software Heritage...~%") + (git-fetch-with-fallback (getenv "git url") (getenv "git commit") + #$output + #:recursive? recursive? + #:git-command "git"))))) - (swh-download (getenv "git url") (getenv "git commit") - #$output) - (when (file-exists? - (string-append #$output "/.gitattributes")) - ;; Perform CR/LF conversion and other changes - ;; specificied by '.gitattributes'. - (invoke "git" "-C" #$output "init") - (invoke "git" "-C" #$output "config" "--local" - "user.email" "you@example.org") - (invoke "git" "-C" #$output "config" "--local" - "user.name" "Your Name") - (invoke "git" "-C" #$output "add" ".") - (invoke "git" "-C" #$output "commit" "-am" "init") - (invoke "git" "-C" #$output "read-tree" "--empty") - (invoke "git" "-C" #$output "reset" "--hard") - (delete-file-recursively - (string-append #$output "/.git")))))))))) - - (mlet %store-monad ((guile (package->derivation guile system))) + (mlet %store-monad ((guile (package->derivation (or guile (default-guile)) + system))) (gexp->derivation (or name "git-checkout") build ;; Use environment variables and a fixed script name so @@ -192,7 +168,11 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." ;; downloads. #:script-name "git-download" #:env-vars - `(("git url" . ,(git-reference-url ref)) + `(("git url" . ,(match (%download-fallback-test) + ('content-addressed-mirrors + "https://example.org/does-not-exist") + (_ + (git-reference-url ref)))) ("git commit" . ,(git-reference-commit ref)) ("git recursive?" . ,(object->string (git-reference-recursive? ref)))) @@ -207,6 +187,54 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." #:recursive? #t #:guile-for-build guile))) +(define* (git-fetch/built-in ref hash-algo hash + #:optional name + #:key (system (%current-system))) + "Return a fixed-output derivation that performs a Git checkout of REF, using +the \"builtin:git-download\" derivation builder. + +This is an \"out-of-band\" download in that the returned derivation does not +explicitly depend on Git, Guile, etc. Instead, the daemon performs the +download by itself using its own dependencies." + (raw-derivation (or name "git-checkout") "builtin:git-download" '() + #:system system + #:hash-algo hash-algo + #:hash hash + #:recursive? #t + #:env-vars + `(("url" . ,(object->string + (match (%download-fallback-test) + ('content-addressed-mirrors + "https://example.org/does-not-exist") + (_ + (git-reference-url ref))))) + ("commit" . ,(git-reference-commit ref)) + ("recursive?" . ,(object->string + (git-reference-recursive? ref)))) + #:leaked-env-vars '("http_proxy" "https_proxy" + "LC_ALL" "LC_MESSAGES" "LANG" + "COLUMNS") + #:local-build? #t)) + +(define built-in-builders* + (store-lift built-in-builders)) + +(define* (git-fetch ref hash-algo hash + #:optional name + #:key (system (%current-system)) + guile git) + "Return a fixed-output derivation that fetches REF, a <git-reference> +object. The output is expected to have recursive hash HASH of type +HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." + (mlet %store-monad ((builtins (built-in-builders*))) + (if (member "git-download" builtins) + (git-fetch/built-in ref hash-algo hash name + #:system system) + (git-fetch/in-band ref hash-algo hash name + #:system system + #:guile guile + #:git git)))) + (define (git-version version revision commit) "Return the version string for packages using git-download." ;; git-version is almost exclusively executed while modules are being loaded. |