diff options
Diffstat (limited to 'guix/git.scm')
| -rw-r--r-- | guix/git.scm | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/guix/git.scm b/guix/git.scm index b7182305cf..cbcdb1904b 100644 --- a/guix/git.scm +++ b/guix/git.scm @@ -1,6 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2017, 2020 Mathieu Othacehe <m.othacehe@gmail.com> -;;; Copyright © 2018-2022 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2018-2023 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2021 Kyle Meyer <kyle@kyleam.com> ;;; Copyright © 2021 Marius Bakke <marius@gnu.org> ;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be> @@ -29,15 +29,18 @@ #:use-module (guix cache) #:use-module (gcrypt hash) #:use-module ((guix build utils) - #:select (mkdir-p delete-file-recursively)) + #:select (mkdir-p delete-file-recursively invoke/quiet)) #:use-module (guix store) #:use-module (guix utils) #:use-module (guix records) + #:use-module ((guix build syscalls) + #:select (terminal-string-width)) #:use-module (guix gexp) #:autoload (guix git-download) (git-reference-url git-reference-commit git-reference-recursive?) + #:autoload (guix config) (%git) #:use-module (guix sets) - #:use-module ((guix diagnostics) #:select (leave warning)) + #:use-module ((guix diagnostics) #:select (leave warning info)) #:use-module (guix progress) #:autoload (guix swh) (swh-download commit-id?) #:use-module (rnrs bytevectors) @@ -154,7 +157,7 @@ the 'SSL_CERT_FILE' and 'SSL_CERT_DIR' environment variables." ;; TODO: Both should be handled & exposed by the PROGRESS-BAR API instead. (define width (max (- (current-terminal-columns) - (string-length label) 7) + (terminal-string-width label) 7) 3)) (define grain @@ -428,6 +431,35 @@ could not be fetched from Software Heritage~%") (rename-file directory trashed) (delete-file-recursively trashed))) +(define (packs-in-git-repository directory) + "Return the number of pack files under DIRECTORY, a Git checkout." + (catch 'system-error + (lambda () + (let ((directory (opendir (in-vicinity directory ".git/objects/pack")))) + (let loop ((count 0)) + (match (readdir directory) + ((? eof-object?) + (closedir directory) + count) + (str + (loop (if (string-suffix? ".pack" str) + (+ 1 count) + count))))))) + (const 0))) + +(define (maybe-run-git-gc directory) + "Run 'git gc' in DIRECTORY if needed." + ;; XXX: As of libgit2 1.3.x (used by Guile-Git), there's no support for GC. + ;; Each time a checkout is pulled, a new pack is created, which eventually + ;; takes up a lot of space (lots of small, poorly-compressed packs). As a + ;; workaround, shell out to 'git gc' when the number of packs in a + ;; repository has become "too large", potentially wasting a lot of space. + ;; See <https://issues.guix.gnu.org/65720>. + (when (> (packs-in-git-repository directory) 25) + (info (G_ "compressing cached Git repository at '~a'...~%") + directory) + (invoke/quiet %git "-C" directory "gc"))) + (define* (update-cached-checkout url #:key (ref '()) @@ -515,6 +547,9 @@ it unchanged." seconds seconds nanoseconds nanoseconds)))) + ;; Run 'git gc' if needed. + (maybe-run-git-gc cache-directory) + ;; When CACHE-DIRECTORY is a sub-directory of the default cache ;; directory, remove expired checkouts that are next to it. (let ((parent (dirname cache-directory))) |