diff options
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/build/git.scm | 44 | ||||
| -rw-r--r-- | guix/git-download.scm | 47 |
2 files changed, 50 insertions, 41 deletions
diff --git a/guix/build/git.scm b/guix/build/git.scm index deda10fee8..0ff263c81b 100644 --- a/guix/build/git.scm +++ b/guix/build/git.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2014, 2016, 2019 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2014, 2016, 2019, 2023 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -18,9 +18,12 @@ (define-module (guix build git) #:use-module (guix build utils) + #:autoload (guix build download-nar) (download-nar) + #:autoload (guix swh) (%verify-swh-certificate? swh-download) #:use-module (srfi srfi-34) #:use-module (ice-9 format) - #:export (git-fetch)) + #:export (git-fetch + git-fetch-with-fallback)) ;;; Commentary: ;;; @@ -76,4 +79,41 @@ recursively. Return #t on success, #f otherwise." (delete-file-recursively ".git") #t))) + +(define* (git-fetch-with-fallback url commit directory + #:key (git-command "git") recursive?) + "Like 'git-fetch', fetch COMMIT from URL into DIRECTORY, but fall back to +alternative methods when fetching from URL fails: attempt to download a nar, +and if that also fails, download from the Software Heritage archive." + (or (git-fetch url commit directory + #:recursive? recursive? + #:git-command git-command) + (download-nar directory) + + ;; 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...~%") + + (swh-download url commit directory) + (when (file-exists? + (string-append directory "/.gitattributes")) + ;; Perform CR/LF conversion and other changes + ;; specificied by '.gitattributes'. + (invoke git-command "-C" directory "init") + (invoke git-command "-C" directory "config" "--local" + "user.email" "you@example.org") + (invoke git-command "-C" directory "config" "--local" + "user.name" "Your Name") + (invoke git-command "-C" directory "add" ".") + (invoke git-command "-C" directory "commit" "-am" "init") + (invoke git-command "-C" directory "read-tree" "--empty") + (invoke git-command "-C" directory "reset" "--hard") + (delete-file-recursively + (string-append directory "/.git"))))))) + ;;; git.scm ends here diff --git a/guix/git-download.scm b/guix/git-download.scm index d88f4c40ee..8989b1b463 100644 --- a/guix/git-download.scm +++ b/guix/git-download.scm @@ -116,19 +116,16 @@ 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? @@ -151,38 +148,10 @@ 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...~%") - - (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")))))))))) + (git-fetch-with-fallback (getenv "git url") (getenv "git commit") + #$output + #:recursive? recursive? + #:git-command "git"))))) (mlet %store-monad ((guile (package->derivation guile system))) (gexp->derivation (or name "git-checkout") build |