diff options
| -rw-r--r-- | .dir-locals.el | 1 | ||||
| -rw-r--r-- | doc/guix.texi | 10 | ||||
| -rw-r--r-- | guix/build/profiles.scm | 67 | ||||
| -rw-r--r-- | guix/profiles.scm | 21 | ||||
| -rw-r--r-- | tests/profiles.scm | 26 |
5 files changed, 118 insertions, 7 deletions
diff --git a/.dir-locals.el b/.dir-locals.el index 7aef853625..eb3da94da4 100644 --- a/.dir-locals.el +++ b/.dir-locals.el @@ -14,6 +14,7 @@ ((indent-tabs-mode . nil) (eval . (put 'eval-when 'scheme-indent-function 1)) (eval . (put 'test-assert 'scheme-indent-function 1)) + (eval . (put 'test-assertm 'scheme-indent-function 1)) (eval . (put 'test-equal 'scheme-indent-function 1)) (eval . (put 'test-eq 'scheme-indent-function 1)) (eval . (put 'call-with-input-string 'scheme-indent-function 1)) diff --git a/doc/guix.texi b/doc/guix.texi index 8241cb07bf..1b1690a8e3 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -950,6 +950,16 @@ created in @file{$HOME/.guix-profile}. This symlink always points to the current generation of the user's default profile. Thus, users can add @file{$HOME/.guix-profile/bin} to their @code{PATH} environment variable, and so on. +@cindex search paths +If you are not using the Guix System Distribution, consider adding the +following lines to your @file{~/.bash_profile} (@pxref{Bash Startup +Files,,, bash, The GNU Bash Reference Manual}) so that newly-spawned +shells get all the right environment variable definitions: + +@example +GUIX_PROFILE="$HOME/.guix-profile" \ +source "$HOME/.guix-profile/etc/profile" +@end example In a multi-user setup, user profiles are stored in a place registered as a @dfn{garbage-collector root}, which @file{$HOME/.guix-profile} points diff --git a/guix/build/profiles.scm b/guix/build/profiles.scm index 1c5b54e40b..eda54cb37a 100644 --- a/guix/build/profiles.scm +++ b/guix/build/profiles.scm @@ -18,6 +18,10 @@ (define-module (guix build profiles) #:use-module (guix build union) + #:use-module (guix build utils) + #:use-module (guix search-paths) + #:use-module (srfi srfi-26) + #:use-module (ice-9 match) #:use-module (ice-9 pretty-print) #:export (build-profile)) @@ -28,14 +32,71 @@ ;;; ;;; Code: +(define (abstract-profile profile) + "Return a procedure that replaces PROFILE in VALUE with a reference to the +'GUIX_PROFILE' environment variable. This allows users to specify what the +user-friendly name of the profile is, for instance ~/.guix-profile rather than +/gnu/store/...-profile." + (let ((replacement (string-append "${GUIX_PROFILE:-" profile "}"))) + (match-lambda + ((search-path . value) + (let* ((separator (search-path-specification-separator search-path)) + (items (string-tokenize* value separator)) + (crop (cute string-drop <> (string-length profile)))) + (cons search-path + (string-join (map (lambda (str) + (string-append replacement (crop str))) + items) + separator))))))) + +(define (write-environment-variable-definition port) + "Write the given environment variable definition to PORT." + (match-lambda + ((search-path . value) + (display (search-path-definition search-path value #:kind 'prefix) + port) + (newline port)))) + (define* (build-profile output inputs - #:key manifest) + #:key manifest search-paths) "Build a user profile from INPUTS in directory OUTPUT. Write MANIFEST, an -sexp, to OUTPUT/manifest." +sexp, to OUTPUT/manifest. Create OUTPUT/etc/profile with Bash definitions for +all the variables listed in SEARCH-PATHS." + ;; Make the symlinks. (union-build output inputs #:log-port (%make-void-port "w")) + + ;; Store meta-data. (call-with-output-file (string-append output "/manifest") (lambda (p) - (pretty-print manifest p)))) + (pretty-print manifest p))) + + ;; Add a ready-to-use Bash profile. + (mkdir-p (string-append output "/etc")) + (call-with-output-file (string-append output "/etc/profile") + (lambda (port) + ;; The use of $GUIX_PROFILE described below is not great. Another + ;; option would have been to use "$1" and have users run: + ;; + ;; source ~/.guix-profile/etc/profile ~/.guix-profile + ;; + ;; However, when 'source' is used with no arguments, $1 refers to the + ;; first positional parameter of the calling scripts, so we can rely on + ;; it. + (display "\ +# Source this file to define all the relevant environment variables in Bash +# for this profile. You may want to define the 'GUIX_PROFILE' environment +# variable to point to the \"visible\" name of the profile, like this: +# +# GUIX_PROFILE=/path/to/profile +# source /path/to/profile/etc/profile +# +# When GUIX_PROFILE is undefined, the various environment variables refer +# to this specific profile generation. +\n" port) + (let ((variables (evaluate-search-paths (cons $PATH search-paths) + (list output)))) + (for-each (write-environment-variable-definition port) + (map (abstract-profile output) variables)))))) ;;; profile.scm ends here diff --git a/guix/profiles.scm b/guix/profiles.scm index afc22e118d..11d9bf0cd9 100644 --- a/guix/profiles.scm +++ b/guix/profiles.scm @@ -598,17 +598,30 @@ the monadic procedures listed in HOOKS--such as an Info 'dir' file, etc." (define builder #~(begin - (use-modules (guix build profiles)) + (use-modules (guix build profiles) + (guix search-paths)) (setvbuf (current-output-port) _IOLBF) (setvbuf (current-error-port) _IOLBF) + (define search-paths + ;; Search paths of MANIFEST's packages, converted back to their + ;; record form. + (map sexp->search-path-specification + '#$(map search-path-specification->sexp + (append-map manifest-entry-search-paths + (manifest-entries manifest))))) + (build-profile #$output '#$inputs - #:manifest '#$(manifest->gexp manifest)))) + #:manifest '#$(manifest->gexp manifest) + #:search-paths search-paths))) (gexp->derivation "profile" builder - #:modules '((guix build union) - (guix build profiles)) + #:modules '((guix build profiles) + (guix build union) + (guix build utils) + (guix search-paths) + (guix records)) #:local-build? #t))) (define (profile-regexp profile) diff --git a/tests/profiles.scm b/tests/profiles.scm index 890f09a751..a39717191d 100644 --- a/tests/profiles.scm +++ b/tests/profiles.scm @@ -29,6 +29,8 @@ #:use-module ((gnu packages guile) #:prefix packages:) #:use-module (ice-9 match) #:use-module (ice-9 regex) + #:use-module (ice-9 popen) + #:use-module (rnrs io ports) #:use-module (srfi srfi-11) #:use-module (srfi srfi-64)) @@ -220,6 +222,30 @@ (manifest-entry-search-paths entry) (package-native-search-paths packages:guile-2.0))))))))) + +(test-assertm "etc/profile" + ;; Make sure we get an 'etc/profile' file that at least defines $PATH. + (mlet* %store-monad + ((guile -> (package + (inherit %bootstrap-guile) + (native-search-paths + (package-native-search-paths packages:guile-2.0)))) + (entry -> (package->manifest-entry guile)) + (drv (profile-derivation (manifest (list entry)) + #:hooks '())) + (profile -> (derivation->output-path drv))) + (mbegin %store-monad + (built-derivations (list drv)) + (let* ((pipe (open-input-pipe + (string-append "source " + profile "/etc/profile; " + "unset GUIX_PROFILE; set"))) + (env (get-string-all pipe))) + (return + (and (zero? (close-pipe pipe)) + (string-contains env + (string-append "PATH=" profile "/bin")))))))) + (test-end "profiles") |