@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be>
+;;; Copyright © 2023 Simon Tournier <zimon.toutoune@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -23,23 +24,44 @@ (define-module (guix hash)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:export (vcs-file?
+ vcs-exclude?
file-hash*))
-(define (vcs-file? file stat)
- "Returns true if FILE is a version control system file."
+(define %vcs-directories
+ ;; Directory used for determining the kind of VCS.
+ (list ".bzr" ".git" ".hg" ".svn" "CVS"))
+
+(define* (vcs-file? file stat
+ #:optional
+ (vcs-directories %vcs-directories))
+ "Return true if FILE matches a version control system from the list
+VCSES-DIRECTORIES."
(case (stat:type stat)
((directory)
- (member (basename file) '(".bzr" ".git" ".hg" ".svn" "CVS")))
+ (member (basename file) vcs-directories))
((regular)
- ;; Git sub-modules have a '.git' file that is a regular text file.
- (string=? (basename file) ".git"))
+ (if (member ".git" vcs-directories)
+ ;; Git sub-modules have a '.git' file that is a regular text file.
+ (string=? (basename file) ".git")
+ #f))
(else
#f)))
+(define (vcs-exclude? directory)
+ "Return a procedure excluding content if DIRECTORY contains supported VCS."
+ (define vcs-directories
+ (filter (lambda (vcs)
+ (file-exists? (in-vicinity directory vcs)))
+ %vcs-directories))
+
+ (lambda (file stat)
+ (not (vcs-file? file stat vcs-directories))))
+
(define* (file-hash* file #:key
(algorithm (hash-algorithm sha256))
(recursive? 'auto)
- (select? (negate vcs-file?)))
+ (select? (negate (lambda (file stat)
+ (vcs-file? file stat)))))
"Compute the hash of FILE with ALGORITHM.
Symbolic links are only dereferenced if RECURSIVE? is false.
@@ -182,7 +182,7 @@ (define-command (guix-hash . args)
(reverse opts)))
(fmt (assq-ref opts 'format))
(select? (if (assq-ref opts 'exclude-vcs?)
- (negate vcs-file?)
+ (vcs-exclude? file)
(const #t)))
(algorithm (assoc-ref opts 'hash-algorithm))
(serializer (assoc-ref opts 'serializer)))