guix package: Follow symlinks for pattern search paths.

* guix/scripts/package.scm (search-path-environment-variables): Add
  local 'files' variable.
* tests/packages.scm ("--search-paths with pattern"): New test.
This commit is contained in:
Ludovic Courtès 2015-01-03 19:46:07 +01:00
parent 7452806931
commit cf81a23639
2 changed files with 62 additions and 6 deletions

View File

@ -365,12 +365,17 @@ current settings and report only settings not already effective."
(match-lambda
(($ <search-path-specification> variable files separator
type pattern)
(let ((values (or (and=> (getenv variable)
(cut string-tokenize* <> separator))
'()))
(path (search-path-as-list files (list profile)
#:type type
#:pattern pattern)))
(let* ((values (or (and=> (getenv variable)
(cut string-tokenize* <> separator))
'()))
;; Add a trailing slash to force symlinks to be treated as
;; directories when 'find-files' traverses them.
(files (if pattern
(map (cut string-append <> "/") files)
files))
(path (search-path-as-list files (list profile)
#:type type
#:pattern pattern)))
(if (every (cut member <> values) path)
#f
(format #f "export ~a=\"~a\""

View File

@ -19,6 +19,7 @@
(define-module (test-packages)
#:use-module (guix tests)
#:use-module (guix store)
#:use-module (guix monads)
#:use-module ((guix utils)
;; Rename the 'location' binding to allow proper syntax
;; matching when setting the 'location' field of a package.
@ -31,10 +32,13 @@
#:use-module (guix build-system)
#:use-module (guix build-system trivial)
#:use-module (guix build-system gnu)
#:use-module (guix profiles)
#:use-module (guix scripts package)
#:use-module (gnu packages)
#:use-module (gnu packages base)
#:use-module (gnu packages guile)
#:use-module (gnu packages bootstrap)
#:use-module (gnu packages xml)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
@ -527,6 +531,53 @@
(((? (cut eq? hello <>))) #t)
(wrong (pk 'find-packages-by-name wrong #f))))
(test-assert "--search-paths with pattern"
;; Make sure 'guix package --search-paths' correctly reports environment
;; variables when file patterns are used (in particular, it must follow
;; symlinks when looking for 'catalog.xml'.) To do that, we rely on the
;; libxml2 package specification, which contains such a definition.
(let* ((p1 (package
(name "foo") (version "0") (source #f)
(build-system trivial-build-system)
(arguments
`(#:guile ,%bootstrap-guile
#:modules ((guix build utils))
#:builder (begin
(use-modules (guix build utils))
(let ((out (assoc-ref %outputs "out")))
(mkdir-p (string-append out "/xml/bar/baz"))
(call-with-output-file
(string-append out "/xml/bar/baz/catalog.xml")
(lambda (port)
(display "xml? wat?!" port)))))))
(synopsis #f) (description #f)
(home-page #f) (license #f)))
(p2 (package
;; Provide a fake libxml2 to avoid building the real one. This
;; is OK because 'guix package' gets search path specifications
;; from the same-named package found in the distro.
(name "libxml2") (version "0.0.0") (source #f)
(build-system trivial-build-system)
(arguments
`(#:guile ,%bootstrap-guile
#:builder (mkdir (assoc-ref %outputs "out"))))
(native-search-paths (package-native-search-paths libxml2))
(synopsis #f) (description #f)
(home-page #f) (license #f)))
(prof (run-with-store %store
(profile-derivation
(manifest (map package->manifest-entry
(list p1 p2)))
#:info-dir? #f)
#:guile-for-build (%guile-for-build))))
(build-derivations %store (list prof))
(string-match (format #f "^export XML_CATALOG_FILES=\"~a/xml/+bar/baz/catalog\\.xml\"\n"
(derivation->output-path prof))
(with-output-to-string
(lambda ()
(guix-package "-p" (derivation->output-path prof)
"--search-paths"))))))
(test-end "packages")