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-rw-r--r--guix/gexp.scm8
-rw-r--r--tests/gexp.scm11
2 files changed, 13 insertions, 6 deletions
diff --git a/guix/gexp.scm b/guix/gexp.scm
index 19d90f5eee..ffc976d61b 100644
--- a/guix/gexp.scm
+++ b/guix/gexp.scm
@@ -1078,6 +1078,7 @@ to a tree suitable for 'interned-file-tree'."
(define* (imported-files/derivation files
#:key (name "file-import")
+ (symlink? #f)
(system (%current-system))
(guile (%guile-for-build))
@@ -1091,7 +1092,8 @@ to a tree suitable for 'interned-file-tree'."
"Return a derivation that imports FILES into STORE. FILES must be a list
of (FINAL-PATH . FILE) pairs. Each FILE is mapped to FINAL-PATH in the
resulting store path. FILE can be either a file name, or a file-like object,
-as returned by 'local-file' for example."
+as returned by 'local-file' for example. If SYMLINK? is true, create symlinks
+to the source files instead of copying them."
(define file-pair
(match-lambda
((final-path . (? string? file-name))
@@ -1114,7 +1116,8 @@ as returned by 'local-file' for example."
(for-each (match-lambda
((final-path store-path)
(mkdir-p (dirname final-path))
- (symlink store-path final-path)))
+ ((ungexp (if symlink? 'symlink 'copy-file))
+ store-path final-path)))
'(ungexp files)))))
;; TODO: Pass FILES as an environment variable so that BUILD remains
@@ -1160,6 +1163,7 @@ as returned by 'local-file' for example."
(_ #f))
files))
(imported-files/derivation files #:name name
+ #:symlink? derivation?
#:system system #:guile guile
#:deprecation-warnings deprecation-warnings)
(interned-file-tree `(,name directory
diff --git a/tests/gexp.scm b/tests/gexp.scm
index c89d0c4855..b22e635805 100644
--- a/tests/gexp.scm
+++ b/tests/gexp.scm
@@ -652,16 +652,19 @@
(files -> `(("a/b/c" . ,q-scm)
("p/q" . ,plain)))
(drv (imported-files files)))
+ (define (file=? file1 file2)
+ ;; Assume deduplication is in place.
+ (= (stat:ino (lstat file1))
+ (stat:ino (lstat file2))))
+
(mbegin %store-monad
(built-derivations (list drv))
(mlet %store-monad ((dir -> (derivation->output-path drv))
(plain* (text-file "foo" "bar!"))
(q-scm* (interned-file q-scm "c")))
(return
- (and (string=? (readlink (string-append dir "/a/b/c"))
- q-scm*)
- (string=? (readlink (string-append dir "/p/q"))
- plain*)))))))
+ (and (file=? (string-append dir "/a/b/c") q-scm*)
+ (file=? (string-append dir "/p/q") plain*)))))))
(test-equal "gexp-modules & ungexp"
'((bar) (foo))