diff options
Diffstat (limited to 'guix/scripts/package.scm')
| -rw-r--r-- | guix/scripts/package.scm | 247 |
1 files changed, 126 insertions, 121 deletions
diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm index 1e724b4e19..d9f38fb8bc 100644 --- a/guix/scripts/package.scm +++ b/guix/scripts/package.scm @@ -25,6 +25,7 @@ #:use-module (guix derivations) #:use-module (guix packages) #:use-module (guix profiles) + #:use-module (guix search-paths) #:use-module (guix monads) #:use-module (guix utils) #:use-module (guix config) @@ -52,6 +53,7 @@ roll-back delete-generation delete-generations + display-search-paths guix-package)) (define %store @@ -89,6 +91,15 @@ return PROFILE unchanged. The goal is to treat '-p ~/.guix-profile' as if %current-profile profile)) +(define (user-friendly-profile profile) + "Return either ~/.guix-profile if that's what PROFILE refers to, directly or +indirectly, or PROFILE." + (if (and %user-profile-directory + (false-if-exception + (string=? (readlink %user-profile-directory) profile))) + %user-profile-directory + profile)) + (define (link-to-empty-profile store generation) "Link GENERATION, a string, to the empty profile." (let* ((drv (run-with-store store @@ -365,77 +376,35 @@ an output path different than CURRENT-PATH." ;;; Search paths. ;;; -(define-syntax-rule (with-null-error-port exp) - "Evaluate EXP with the error port pointing to the bit bucket." - (with-error-to-port (%make-void-port "w") - (lambda () exp))) - (define* (search-path-environment-variables entries profile - #:optional (getenv getenv)) + #:optional (getenv getenv) + #:key (kind 'exact)) "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 -current settings and report only settings not already effective." - - ;; Prefer ~/.guix-profile to the real profile directory name. - (let ((profile (if (and %user-profile-directory - (false-if-exception - (string=? (readlink %user-profile-directory) - profile))) - %user-profile-directory - profile))) - - ;; The search path info is not stored in the manifest. Thus, we infer the - ;; search paths from same-named packages found in the distro. - - (define manifest-entry->package - (match-lambda - (($ <manifest-entry> name version) - ;; Use 'find-best-packages-by-name' and not 'find-packages-by-name'; - ;; the former traverses the module tree only once and then allows for - ;; efficient access via a vhash. - (match (find-best-packages-by-name name version) - ((p _ ...) p) - (_ - (match (find-best-packages-by-name name #f) - ((p _ ...) p) - (_ #f))))))) - - (define search-path-definition - (match-lambda - (($ <search-path-specification> variable files separator - type 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)) - - ;; XXX: Silence 'find-files' when it stumbles upon non-existent - ;; directories (see - ;; <http://lists.gnu.org/archive/html/guix-devel/2015-01/msg00269.html>.) - (path (with-null-error-port - (search-path-as-list files (list profile) - #:type type - #:pattern pattern)))) - (if (every (cut member <> values) path) - #f - (format #f "export ~a=\"~a\"" - variable - (string-join path separator))))))) - - (let* ((packages (filter-map manifest-entry->package entries)) - (search-paths (delete-duplicates - (append-map package-native-search-paths - packages)))) - (filter-map search-path-definition search-paths)))) - -(define (display-search-paths entries profile) +current settings and report only settings not already effective. KIND +must be one of 'exact, 'prefix, or 'suffix, depending on the kind of search +path definition to be returned." + (let ((search-paths (delete-duplicates + (cons $PATH + (append-map manifest-entry-search-paths + entries))))) + (filter-map (match-lambda + ((spec . value) + (let ((variable (search-path-specification-variable spec)) + (sep (search-path-specification-separator spec))) + (environment-variable-definition variable value + #:separator sep + #:kind kind)))) + (evaluate-search-paths search-paths (list profile) + getenv)))) + +(define* (display-search-paths entries profile + #:key (kind 'exact)) "Display the search path environment variables that may need to be set for ENTRIES, a list of manifest entries, in the context of PROFILE." - (let ((settings (search-path-environment-variables entries profile))) + (let* ((profile (user-friendly-profile profile)) + (settings (search-path-environment-variables entries profile + #:kind kind))) (unless (null? settings) (format #t (_ "The following environment variable definitions may be needed:~%")) (format #t "~{ ~a~%~}" settings)))) @@ -453,23 +422,29 @@ ENTRIES, a list of manifest entries, in the context of PROFILE." (substitutes? . #t))) (define (show-help) - (display (_ "Usage: guix package [OPTION]... PACKAGES... -Install, remove, or upgrade PACKAGES in a single transaction.\n")) + (display (_ "Usage: guix package [OPTION]... +Install, remove, or upgrade packages in a single transaction.\n")) (display (_ " - -i, --install=PACKAGE install PACKAGE")) + -i, --install PACKAGE ... + install PACKAGEs")) (display (_ " -e, --install-from-expression=EXP install the package EXP evaluates to")) (display (_ " - -r, --remove=PACKAGE remove PACKAGE")) + -r, --remove PACKAGE ... + remove PACKAGEs")) (display (_ " -u, --upgrade[=REGEXP] upgrade all the installed packages matching REGEXP")) (display (_ " + -m, --manifest=FILE create a new profile generation with the manifest + from FILE")) + (display (_ " --do-not-upgrade[=REGEXP] do not upgrade any packages matching REGEXP")) (display (_ " --roll-back roll back to the previous generation")) (display (_ " - --search-paths display needed environment variable definitions")) + --search-paths[=KIND] + display needed environment variable definitions")) (display (_ " -l, --list-generations[=PATTERN] list generations matching PATTERN")) @@ -496,7 +471,7 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) -A, --list-available[=REGEXP] list available packages matching REGEXP")) (display (_ " - --show=PACKAGE show details about PACKAGE")) + --show=PACKAGE show details about PACKAGE")) (newline) (show-build-options-help) (newline) @@ -556,6 +531,10 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) (lambda (opt name arg result arg-handler) (values (alist-cons 'roll-back? #t result) #f))) + (option '(#\m "manifest") #t #f + (lambda (opt name arg result arg-handler) + (values (alist-cons 'manifest arg result) + arg-handler))) (option '(#\l "list-generations") #f #t (lambda (opt name arg result arg-handler) (values (cons `(query list-generations ,(or arg "")) @@ -570,10 +549,20 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) (lambda (opt name arg result arg-handler) (values (alist-cons 'switch-generation arg result) #f))) - (option '("search-paths") #f #f + (option '("search-paths") #f #t (lambda (opt name arg result arg-handler) - (values (cons `(query search-paths) result) - #f))) + (let ((kind (match arg + ((or "exact" "prefix" "suffix") + (string->symbol arg)) + (#f + 'exact) + (x + (leave (_ "~a: unsupported \ +kind of search path~%") + x))))) + (values (cons `(query search-paths ,kind) + result) + #f)))) (option '(#\p "profile") #t #f (lambda (opt name arg result arg-handler) (values (alist-cons 'profile (canonicalize-profile arg) @@ -822,6 +811,50 @@ more information.~%")) (define dry-run? (assoc-ref opts 'dry-run?)) (define profile (assoc-ref opts 'profile)) + (define (build-and-use-profile manifest) + (let* ((bootstrap? (assoc-ref opts 'bootstrap?))) + + (when (equal? profile %current-profile) + (ensure-default-profile)) + + (let* ((prof-drv (run-with-store (%store) + (profile-derivation + manifest + #:hooks (if bootstrap? + '() + %default-profile-hooks)))) + (prof (derivation->output-path prof-drv))) + (show-what-to-build (%store) (list prof-drv) + #:use-substitutes? + (assoc-ref opts 'substitutes?) + #:dry-run? dry-run?) + + (cond + (dry-run? #t) + ((and (file-exists? profile) + (and=> (readlink* profile) (cut string=? prof <>))) + (format (current-error-port) (_ "nothing to be done~%"))) + (else + (let* ((number (generation-number profile)) + + ;; Always use NUMBER + 1 for the new profile, + ;; possibly overwriting a "previous future + ;; generation". + (name (generation-file-name profile + (+ 1 number)))) + (and (build-derivations (%store) (list prof-drv)) + (let* ((entries (manifest-entries manifest)) + (count (length entries))) + (switch-symlinks name prof) + (switch-symlinks profile name) + (unless (string=? profile %current-profile) + (register-gc-root (%store) name)) + (format #t (N_ "~a package in profile~%" + "~a packages in profile~%" + count) + count) + (display-search-paths entries profile))))))))) + ;; First roll back if asked to. (cond ((and (assoc-ref opts 'roll-back?) (not dry-run?)) @@ -856,60 +889,30 @@ more information.~%")) (alist-delete 'delete-generations opts))) (_ #f)) opts)) + ((assoc-ref opts 'manifest) + (let* ((file-name (assoc-ref opts 'manifest)) + (user-module (make-user-module '((guix profiles) + (gnu)))) + (manifest (load* file-name user-module))) + (if (assoc-ref opts 'dry-run?) + (format #t (_ "would install new manifest from '~a' with ~d entries~%") + file-name (length (manifest-entries manifest))) + (format #t (_ "installing new manifest from '~a' with ~d entries~%") + file-name (length (manifest-entries manifest)))) + (build-and-use-profile manifest))) (else (let* ((manifest (profile-manifest profile)) (install (options->installable opts manifest)) (remove (options->removable opts manifest)) - (bootstrap? (assoc-ref opts 'bootstrap?)) (transaction (manifest-transaction (install install) (remove remove))) (new (manifest-perform-transaction manifest transaction))) - (when (equal? profile %current-profile) - (ensure-default-profile)) - (unless (and (null? install) (null? remove)) - (let* ((prof-drv (run-with-store (%store) - (profile-derivation - new - #:hooks (if bootstrap? - '() - %default-profile-hooks)))) - (prof (derivation->output-path prof-drv))) - (show-manifest-transaction (%store) manifest transaction - #:dry-run? dry-run?) - (show-what-to-build (%store) (list prof-drv) - #:use-substitutes? - (assoc-ref opts 'substitutes?) - #:dry-run? dry-run?) - - (cond - (dry-run? #t) - ((and (file-exists? profile) - (and=> (readlink* profile) (cut string=? prof <>))) - (format (current-error-port) (_ "nothing to be done~%"))) - (else - (let* ((number (generation-number profile)) - - ;; Always use NUMBER + 1 for the new profile, - ;; possibly overwriting a "previous future - ;; generation". - (name (generation-file-name profile - (+ 1 number)))) - (and (build-derivations (%store) (list prof-drv)) - (let* ((entries (manifest-entries new)) - (count (length entries))) - (switch-symlinks name prof) - (switch-symlinks profile name) - (unless (string=? profile %current-profile) - (register-gc-root (%store) name)) - (format #t (N_ "~a package in profile~%" - "~a packages in profile~%" - count) - count) - (display-search-paths entries - profile)))))))))))) + (show-manifest-transaction (%store) manifest transaction + #:dry-run? dry-run?) + (build-and-use-profile new)))))) (define (process-query opts) ;; Process any query specified by OPTS. Return #t when a query was @@ -1014,11 +1017,13 @@ more information.~%")) (find-packages-by-name name version))) #t)) - (('search-paths) + (('search-paths kind) (let* ((manifest (profile-manifest profile)) (entries (manifest-entries manifest)) + (profile (user-friendly-profile profile)) (settings (search-path-environment-variables entries profile - (const #f)))) + (const #f) + #:kind kind))) (format #t "~{~a~%~}" settings) #t)) |