diff options
Diffstat (limited to 'guix/git.scm')
-rw-r--r-- | guix/git.scm | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/guix/git.scm b/guix/git.scm index 51b8aa9ae5..0e3ce37e26 100644 --- a/guix/git.scm +++ b/guix/git.scm @@ -35,6 +35,8 @@ #:use-module (srfi srfi-34) #:use-module (srfi srfi-35) #:export (%repository-cache-directory + honor-system-x509-certificates! + update-cached-checkout latest-repository-commit @@ -52,12 +54,48 @@ (make-parameter (string-append (cache-directory #:ensure? #f) "/checkouts"))) +(define (honor-system-x509-certificates!) + "Use the system's X.509 certificates for Git checkouts over HTTPS. Honor +the 'SSL_CERT_FILE' and 'SSL_CERT_DIR' environment variables." + ;; On distros such as CentOS 7, /etc/ssl/certs contains only a couple of + ;; files (instead of all the certificates) among which "ca-bundle.crt". On + ;; other distros /etc/ssl/certs usually contains the whole set of + ;; certificates along with "ca-certificates.crt". Try to choose the right + ;; one. + (let ((file (letrec-syntax ((choose + (syntax-rules () + ((_ file rest ...) + (let ((f file)) + (if (and f (file-exists? f)) + f + (choose rest ...)))) + ((_) + #f)))) + (choose (getenv "SSL_CERT_FILE") + "/etc/ssl/certs/ca-certificates.crt" + "/etc/ssl/certs/ca-bundle.crt"))) + (directory (or (getenv "SSL_CERT_DIR") "/etc/ssl/certs"))) + (and (or file + (and=> (stat directory #f) + (lambda (st) + (> (stat:nlink st) 2)))) + (begin + (set-tls-certificate-locations! directory file) + #t)))) + +(define %certificates-initialized? + ;; Whether 'honor-system-x509-certificates!' has already been called. + #f) + (define-syntax-rule (with-libgit2 thunk ...) (begin ;; XXX: The right thing to do would be to call (libgit2-shutdown) here, ;; but pointer finalizers used in guile-git may be called after shutdown, ;; resulting in a segfault. Hence, let's skip shutdown call for now. (libgit2-init!) + (unless %certificates-initialized? + (honor-system-x509-certificates!) + (set! %certificates-initialized? #t)) thunk ...)) (define* (url-cache-directory url |