diff options
| -rw-r--r-- | guix/gexp.scm | 39 | ||||
| -rw-r--r-- | tests/gexp.scm | 18 |
2 files changed, 40 insertions, 17 deletions
diff --git a/guix/gexp.scm b/guix/gexp.scm index ffc976d61b..f7a23db872 100644 --- a/guix/gexp.scm +++ b/guix/gexp.scm @@ -1479,26 +1479,31 @@ denoting the target file. Here's an example: `((\"hosts\" ,(plain-file \"hosts\" \"127.0.0.1 localhost\")) (\"bashrc\" ,(plain-file \"bashrc\" - \"alias ls='ls --color'\")))) + \"alias ls='ls --color'\")) + (\"libvirt/qemu.conf\" ,(plain-file \"qemu.conf\" \"\")))) This yields an 'etc' directory containing these two files." (computed-file name - (gexp - (begin - (mkdir (ungexp output)) - (chdir (ungexp output)) - (ungexp-splicing - (map (match-lambda - ((target source) - (gexp - (begin - ;; Stat the source to abort early if it does - ;; not exist. - (stat (ungexp source)) - - (symlink (ungexp source) - (ungexp target)))))) - files)))))) + (with-imported-modules '((guix build utils)) + (gexp + (begin + (use-modules (guix build utils)) + + (mkdir (ungexp output)) + (chdir (ungexp output)) + (ungexp-splicing + (map (match-lambda + ((target source) + (gexp + (begin + ;; Stat the source to abort early if it does + ;; not exist. + (stat (ungexp source)) + + (mkdir-p (dirname (ungexp target))) + (symlink (ungexp source) + (ungexp target)))))) + files))))))) (define* (directory-union name things #:key (copy? #f) (quiet? #f) diff --git a/tests/gexp.scm b/tests/gexp.scm index b22e635805..5d049cd5fc 100644 --- a/tests/gexp.scm +++ b/tests/gexp.scm @@ -1093,6 +1093,24 @@ (call-with-input-file out get-string-all)) (equal? refs (list guile)))))))) +(test-assertm "file-union" + (mlet* %store-monad ((union -> (file-union "union" + `(("a" ,(plain-file "a" "1")) + ("b/c/d" ,(plain-file "d" "2")) + ("e" ,(plain-file "e" "3"))))) + (drv (lower-object union)) + (out -> (derivation->output-path drv))) + (define (contents=? file str) + (string=? (call-with-input-file (string-append out "/" file) + get-string-all) + str)) + + (mbegin %store-monad + (built-derivations (list drv)) + (return (and (contents=? "a" "1") + (contents=? "b/c/d" "2") + (contents=? "e" "3")))))) + (test-assert "gexp->derivation vs. %current-target-system" (let ((mval (gexp->derivation "foo" #~(begin |