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guix package: '--search-paths' can report combined search paths.

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Partly fixes <http://bugs.gnu.org/20255>.

* guix/scripts/package.scm (search-path-environment-variables): Change
  'profile' to 'profiles'; expect it to be a list.
  (display-search-paths): Likewise.
  (%default-options): Remove 'profile' entry.
  (%options) <--profile>: Keep previous values associated with 'profile'
  in RESULT.
  (guix-package)[process-actions, process-query]: Handle the possible
  lack of 'profile' pair in OPTS.
This commit is contained in:
Ludovic Courtès 2015-11-10 22:00:53 +01:00
parent 21059b26b0
commit fc2d233964
3 changed files with 60 additions and 30 deletions
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14
doc/guix.texi
View file

@ -1347,6 +1347,20 @@ meaning that the returned environment variable definitions will either
be exact settings, or prefixes or suffixes of the current value of these be exact settings, or prefixes or suffixes of the current value of these
variables. When omitted, @var{kind} defaults to @code{exact}. variables. When omitted, @var{kind} defaults to @code{exact}.
This option can also be used to compute the @emph{combined} search paths
of several profiles. Consider this example:
@example
$ guix package -p foo -i guile
$ guix package -p bar -i guile-json
$ guix package -p foo -p bar --search-paths
@end example
The last command above reports about the @code{GUILE_LOAD_PATH}
variable, even though, taken individually, neither @file{foo} nor
@file{bar} would lead to that recommendation.
@item --profile=@var{profile} @item --profile=@var{profile}
@itemx -p @var{profile} @itemx -p @var{profile}
Use @var{profile} instead of the user's default profile. Use @var{profile} instead of the user's default profile.

64
guix/scripts/package.scm
View file

@ -186,11 +186,11 @@ (define (upgradeable? name current-version current-path)
;;; Search paths. ;;; Search paths.
;;; ;;;
(define* (search-path-environment-variables entries profile (define* (search-path-environment-variables entries profiles
#:optional (getenv getenv) #:optional (getenv getenv)
#:key (kind 'exact)) #:key (kind 'exact))
"Return environment variable definitions that may be needed for the use of "Return environment variable definitions that may be needed for the use of
ENTRIES, a list of manifest entries, in PROFILE. Use GETENV to determine the ENTRIES, a list of manifest entries, in PROFILES. Use GETENV to determine the
current settings and report only settings not already effective. KIND current settings and report only settings not already effective. KIND
must be one of 'exact, 'prefix, or 'suffix, depending on the kind of search must be one of 'exact, 'prefix, or 'suffix, depending on the kind of search
path definition to be returned." path definition to be returned."
@ -205,15 +205,15 @@ (define* (search-path-environment-variables entries profile
(environment-variable-definition variable value (environment-variable-definition variable value
#:separator sep #:separator sep
#:kind kind)))) #:kind kind))))
(evaluate-search-paths search-paths (list profile) (evaluate-search-paths search-paths profiles
getenv)))) getenv))))
(define* (display-search-paths entries profile (define* (display-search-paths entries profiles
#:key (kind 'exact)) #:key (kind 'exact))
"Display the search path environment variables that may need to be set for "Display the search path environment variables that may need to be set for
ENTRIES, a list of manifest entries, in the context of PROFILE." ENTRIES, a list of manifest entries, in the context of PROFILE."
(let* ((profile (user-friendly-profile profile)) (let* ((profiles (map user-friendly-profile profiles))
(settings (search-path-environment-variables entries profile (settings (search-path-environment-variables entries profiles
#:kind kind))) #:kind kind)))
(unless (null? settings) (unless (null? settings)
(format #t (_ "The following environment variable definitions may be needed:~%")) (format #t (_ "The following environment variable definitions may be needed:~%"))
@ -226,8 +226,7 @@ (define* (display-search-paths entries profile
(define %default-options (define %default-options
;; Alist of default option values. ;; Alist of default option values.
`((profile . ,%current-profile) `((max-silent-time . 3600)
(max-silent-time . 3600)
(verbosity . 0) (verbosity . 0)
(substitutes? . #t))) (substitutes? . #t)))
@ -386,7 +385,7 @@ (define %options
(option '(#\p "profile") #t #f (option '(#\p "profile") #t #f
(lambda (opt name arg result arg-handler) (lambda (opt name arg result arg-handler)
(values (alist-cons 'profile (canonicalize-profile arg) (values (alist-cons 'profile (canonicalize-profile arg)
(alist-delete 'profile result)) result)
#f))) #f)))
(option '(#\n "dry-run") #f #f (option '(#\n "dry-run") #f #f
(lambda (opt name arg result arg-handler) (lambda (opt name arg result arg-handler)
@ -601,7 +600,7 @@ (define (process-actions opts)
;; Process any install/remove/upgrade action from OPTS. ;; Process any install/remove/upgrade action from OPTS.
(define dry-run? (assoc-ref opts 'dry-run?)) (define dry-run? (assoc-ref opts 'dry-run?))
(define profile (assoc-ref opts 'profile)) (define profile (or (assoc-ref opts 'profile) %current-profile))
(define (build-and-use-profile manifest) (define (build-and-use-profile manifest)
(let* ((bootstrap? (assoc-ref opts 'bootstrap?))) (let* ((bootstrap? (assoc-ref opts 'bootstrap?)))
@ -645,7 +644,7 @@ (define (build-and-use-profile manifest)
"~a packages in profile~%" "~a packages in profile~%"
count) count)
count) count)
(display-search-paths entries profile))))))))) (display-search-paths entries (list profile))))))))))
;; First roll back if asked to. ;; First roll back if asked to.
(cond ((and (assoc-ref opts 'roll-back?) (cond ((and (assoc-ref opts 'roll-back?)
@ -674,12 +673,12 @@ (define (build-and-use-profile manifest)
(not dry-run?)) (not dry-run?))
(for-each (for-each
(match-lambda (match-lambda
(('delete-generations . pattern) (('delete-generations . pattern)
(delete-matching-generations (%store) profile pattern) (delete-matching-generations (%store) profile pattern)
(process-actions (process-actions
(alist-delete 'delete-generations opts))) (alist-delete 'delete-generations opts)))
(_ #f)) (_ #f))
opts)) opts))
((assoc-ref opts 'manifest) ((assoc-ref opts 'manifest)
(let* ((file-name (assoc-ref opts 'manifest)) (let* ((file-name (assoc-ref opts 'manifest))
@ -709,7 +708,14 @@ (define (build-and-use-profile manifest)
(define (process-query opts) (define (process-query opts)
;; Process any query specified by OPTS. Return #t when a query was ;; Process any query specified by OPTS. Return #t when a query was
;; actually processed, #f otherwise. ;; actually processed, #f otherwise.
(let ((profile (assoc-ref opts 'profile))) (let* ((profiles (match (filter-map (match-lambda
(('profile . p) p)
(_ #f))
opts)
(() (list %current-profile))
(lst lst)))
(profile (match profiles
((head tail ...) head))))
(match (assoc-ref opts 'query) (match (assoc-ref opts 'query)
(('list-generations pattern) (('list-generations pattern)
(define (list-generation number) (define (list-generation number)
@ -718,7 +724,7 @@ (define (list-generation number)
(display-profile-content profile number) (display-profile-content profile number)
(newline))) (newline)))
(cond ((not (file-exists? profile)) ; XXX: race condition (cond ((not (file-exists? profile)) ; XXX: race condition
(raise (condition (&profile-not-found-error (raise (condition (&profile-not-found-error
(profile profile))))) (profile profile)))))
((string-null? pattern) ((string-null? pattern)
@ -741,11 +747,11 @@ (define (list-generation number)
(installed (manifest-entries manifest))) (installed (manifest-entries manifest)))
(leave-on-EPIPE (leave-on-EPIPE
(for-each (match-lambda (for-each (match-lambda
(($ <manifest-entry> name version output path _) (($ <manifest-entry> name version output path _)
(when (or (not regexp) (when (or (not regexp)
(regexp-exec regexp name)) (regexp-exec regexp name))
(format #t "~a\t~a\t~a\t~a~%" (format #t "~a\t~a\t~a\t~a~%"
name (or version "?") output path)))) name (or version "?") output path))))
;; Show most recently installed packages last. ;; Show most recently installed packages last.
(reverse installed))) (reverse installed)))
@ -793,12 +799,12 @@ (define (list-generation number)
#t)) #t))
(('search-paths kind) (('search-paths kind)
(let* ((manifest (profile-manifest profile)) (let* ((manifests (map profile-manifest profiles))
(entries (manifest-entries manifest)) (entries (append-map manifest-entries manifests))
(profile (user-friendly-profile profile)) (profiles (map user-friendly-profile profiles))
(settings (search-path-environment-variables entries profile (settings (search-path-environment-variables entries profiles
(const #f) (const #f)
#:kind kind))) #:kind kind)))
(format #t "~{~a~%~}" settings) (format #t "~{~a~%~}" settings)
#t)) #t))

12
tests/guix-package-net.sh
View file

@ -46,9 +46,10 @@ fi
profile="t-profile-$$" profile="t-profile-$$"
profile_alt="t-profile-alt-$$"
rm -f "$profile" rm -f "$profile"
trap 'rm -f "$profile" "$profile-"[0-9]* ; rm -rf t-home-'"$$" EXIT trap 'rm -f "$profile" "$profile_alt" "$profile-"[0-9]* ; rm -rf t-home-'"$$" EXIT
guix package --bootstrap -p "$profile" -i guile-bootstrap guix package --bootstrap -p "$profile" -i guile-bootstrap
@ -156,6 +157,15 @@ guix package -p "$profile" --switch-generation=2
guix package -p "$profile" --delete-generations=3 guix package -p "$profile" --delete-generations=3
test -z "`guix package -p "$profile" -l 3`" test -z "`guix package -p "$profile" -l 3`"
# Search path of combined profiles. 'LIBRARY_PATH' should show up only in the
# combination, not in the individual profiles.
rm "$profile"
guix package --bootstrap -p "$profile" -i guile-bootstrap
guix package --bootstrap -p "$profile_alt" -i gcc-bootstrap
if guix package -p "$profile" --search-paths | grep LIBRARY_PATH
then false; fi
guix package -p "$profile" -p "$profile_alt" --search-paths \
| grep "LIBRARY_PATH.*$profile/lib"
# #
# Try with the default profile. # Try with the default profile.