diff options
| -rw-r--r-- | guix/profiles.scm | 14 | ||||
| -rw-r--r-- | guix/scripts/environment.scm | 54 |
2 files changed, 39 insertions, 29 deletions
diff --git a/guix/profiles.scm b/guix/profiles.scm index 88228f1558..d2a794b187 100644 --- a/guix/profiles.scm +++ b/guix/profiles.scm @@ -110,6 +110,7 @@ ca-certificate-bundle %default-profile-hooks profile-derivation + profile-search-paths generation-number generation-numbers @@ -1400,6 +1401,19 @@ are cross-built for TARGET." ;; to have no substitute to offer. #:substitutable? #f))) +(define* (profile-search-paths profile + #:optional (manifest (profile-manifest profile)) + #:key (getenv (const #f))) + "Read the manifest of PROFILE and evaluate the values of search path +environment variables required by PROFILE; return a list of +specification/value pairs. If MANIFEST is not #f, it is assumed to be the +manifest of PROFILE, which avoids rereading it. + +Use GETENV to determine the current settings and report only settings not +already effective." + (evaluate-search-paths (manifest-search-paths manifest) + (list profile) getenv)) + (define (profile-regexp profile) "Return a regular expression that matches PROFILE's name and number." (make-regexp (string-append "^" (regexp-quote (basename profile)) diff --git a/guix/scripts/environment.scm b/guix/scripts/environment.scm index 9a69e3b269..1c04800e42 100644 --- a/guix/scripts/environment.scm +++ b/guix/scripts/environment.scm @@ -49,11 +49,6 @@ #:use-module (srfi srfi-98) #:export (guix-environment)) -(define (evaluate-profile-search-paths profile search-paths) - "Evaluate SEARCH-PATHS, a list of search-path specifications, for the -directories in PROFILE, the store path of a profile." - (evaluate-search-paths search-paths (list profile))) - ;; Protect some env vars from purification. Borrowed from nix-shell. (define %precious-variables '("HOME" "USER" "LOGNAME" "DISPLAY" "TERM" "TZ" "PAGER")) @@ -70,8 +65,8 @@ as 'HOME' and 'USER' are left untouched." (((names . _) ...) names))))) -(define (create-environment profile paths pure?) - "Set the environment variables specified by PATHS for PROFILE. When PURE? +(define* (create-environment profile manifest #:key pure?) + "Set the environment variables specified by MANIFEST for PROFILE. When PURE? is #t, unset the variables in the current environment. Otherwise, augment existing environment variables with additional search paths." (when pure? (purify-environment)) @@ -84,23 +79,23 @@ existing environment variables with additional search paths." (string-append value separator current) value) value))))) - (evaluate-profile-search-paths profile paths)) + (profile-search-paths profile manifest)) ;; Give users a way to know that they're in 'guix environment', so they can ;; adjust 'PS1' accordingly, for instance. Set it to PROFILE so users can ;; conveniently access its contents. (setenv "GUIX_ENVIRONMENT" profile)) -(define (show-search-paths profile search-paths pure?) - "Display SEARCH-PATHS applied to PROFILE. When PURE? is #t, do not augment -existing environment variables with additional search paths." +(define* (show-search-paths profile manifest #:key pure?) + "Display the search paths of MANIFEST applied to PROFILE. When PURE? is #t, +do not augment existing environment variables with additional search paths." (for-each (match-lambda ((search-path . value) (display (search-path-definition search-path value #:kind (if pure? 'exact 'prefix))) (newline))) - (evaluate-profile-search-paths profile search-paths))) + (profile-search-paths profile manifest))) (define (input->manifest-entry input) "Return a manifest entry for INPUT, or #f if INPUT does not correspond to a @@ -379,32 +374,34 @@ and suitable for 'exit'." (define exit/status (compose exit status->exit-code)) (define primitive-exit/status (compose primitive-exit status->exit-code)) -(define (launch-environment command inputs paths pure?) +(define* (launch-environment command profile manifest + #:key pure?) "Run COMMAND in a new environment containing INPUTS, using the native search paths defined by the list PATHS. When PURE?, pre-existing environment variables are cleared before setting the new ones." ;; Properly handle SIGINT, so pressing C-c in an interactive terminal ;; application works. (sigaction SIGINT SIG_DFL) - (create-environment inputs paths pure?) + (create-environment profile manifest #:pure? pure?) (match command ((program . args) (apply execlp program program args)))) -(define (launch-environment/fork command inputs paths pure?) - "Run COMMAND in a new process with an environment containing INPUTS, using -the native search paths defined by the list PATHS. When PURE?, pre-existing -environment variables are cleared before setting the new ones." +(define* (launch-environment/fork command profile manifest #:key pure?) + "Run COMMAND in a new process with an environment containing PROFILE, with +the search paths specified by MANIFEST. When PURE?, pre-existing environment +variables are cleared before setting the new ones." (match (primitive-fork) - (0 (launch-environment command inputs paths pure?)) + (0 (launch-environment command profile manifest + #:pure? pure?)) (pid (match (waitpid pid) ((_ . status) status))))) (define* (launch-environment/container #:key command bash user user-mappings - profile paths link-profile? network?) + profile manifest link-profile? network?) "Run COMMAND within a container that features the software in PROFILE. -Environment variables are set according to PATHS, a list of native search -paths. The global shell is BASH, a file name for a GNU Bash binary in the +Environment variables are set according to the search paths of MANIFEST. +The global shell is BASH, a file name for a GNU Bash binary in the store. When NETWORK?, access to the host system network is permitted. USER-MAPPINGS, a list of file system mappings, contains the user-specified host file systems to mount inside the container. If USER is not #f, each @@ -496,7 +493,7 @@ will be used for the passwd entry. LINK-PROFILE? creates a symbolic link from (primitive-exit/status ;; A container's environment is already purified, so no need to ;; request it be purified again. - (launch-environment command profile paths #f))) + (launch-environment command profile manifest #:pure? #f))) #:namespaces (if network? (delq 'net %namespaces) ; share host network %namespaces))))))) @@ -654,8 +651,7 @@ message if any test fails." '("/bin/sh") (list %default-shell)))) (manifest (options/resolve-packages opts)) - (mappings (pick-all opts 'file-system-mapping)) - (paths (manifest-search-paths manifest))) + (mappings (pick-all opts 'file-system-mapping))) (when container? (assert-container-features)) @@ -700,7 +696,7 @@ message if any test fails." ((assoc-ref opts 'dry-run?) (return #t)) ((assoc-ref opts 'search-paths) - (show-search-paths profile paths pure?) + (show-search-paths profile manifest #:pure? pure?) (return #t)) (container? (let ((bash-binary @@ -713,11 +709,11 @@ message if any test fails." #:user user #:user-mappings mappings #:profile profile - #:paths paths + #:manifest manifest #:link-profile? link-prof? #:network? network?))) (else (return (exit/status - (launch-environment/fork command profile - paths pure?))))))))))))) + (launch-environment/fork command profile manifest + #:pure? pure?))))))))))))) |