diff options
Diffstat (limited to 'gnu/home/services.scm')
| -rw-r--r-- | gnu/home/services.scm | 55 |
1 files changed, 40 insertions, 15 deletions
diff --git a/gnu/home/services.scm b/gnu/home/services.scm index 5ee3357792..b05ec53e2a 100644 --- a/gnu/home/services.scm +++ b/gnu/home/services.scm @@ -46,6 +46,7 @@ home-run-on-change-service-type home-provenance-service-type + environment-variable-shell-definitions home-files-directory xdg-configuration-files-directory xdg-data-files-directory @@ -169,6 +170,34 @@ packages, configuration files, activation script, and so on."))) configuration files that the user has declared in their @code{home-environment} record."))) +(define (environment-variable-shell-definitions variables) + "Return a gexp that evaluates to a list of POSIX shell statements defining +VARIABLES, a list of environment variable name/value pairs. The returned code +ensures variable values are properly quoted." + #~(let ((shell-quote + (lambda (value) + ;; Double-quote VALUE, leaving dollar sign as is. + (let ((quoted (list->string + (string-fold-right + (lambda (chr lst) + (case chr + ((#\" #\\) + (append (list chr #\\) lst)) + (else (cons chr lst)))) + '() + value)))) + (string-append "\"" quoted "\""))))) + (string-append + #$@(map (match-lambda + ((key . #f) + "") + ((key . #t) + #~(string-append "export " #$key "\n")) + ((key . value) + #~(string-append "export " #$key "=" + (shell-quote #$value) "\n"))) + variables)))) + (define (environment-variables->setup-environment-script vars) "Return a file that can be sourced by a POSIX compliant shell which initializes the environment. The file will source the home @@ -181,7 +210,7 @@ If value is @code{#f} variable will be omitted. If value is @code{#t} variable will be just exported. For any other, value variable will be set to the @code{value} and exported." - (define (warn-about-duplicate-defenitions) + (define (warn-about-duplicate-definitions) (fold (lambda (x acc) (when (equal? (car x) (car acc)) @@ -192,15 +221,18 @@ exported." (sort vars (lambda (a b) (string<? (car a) (car b)))))) - (warn-about-duplicate-defenitions) + (warn-about-duplicate-definitions) (with-monad %store-monad (return `(("setup-environment" ;; TODO: It's necessary to source ~/.guix-profile too ;; on foreign distros - ,(apply mixed-text-file "setup-environment" - "\ + ,(computed-file "setup-environment" + #~(call-with-output-file #$output + (lambda (port) + (set-port-encoding! port "UTF-8") + (display "\ HOME_ENVIRONMENT=$HOME/.guix-home GUIX_PROFILE=\"$HOME_ENVIRONMENT/profile\" PROFILE_FILE=\"$HOME_ENVIRONMENT/profile/etc/profile\" @@ -227,17 +259,10 @@ case $XCURSOR_PATH in *) export XCURSOR_PATH=$HOME_ENVIRONMENT/profile/share/icons:$XCURSOR_PATH ;; esac -" - - (append-map - (match-lambda - ((key . #f) - '()) - ((key . #t) - (list "export " key "\n")) - ((key . value) - (list "export " key "=" value "\n"))) - vars))))))) +" port) + (display + #$(environment-variable-shell-definitions vars) + port))))))))) (define home-environment-variables-service-type (service-type (name 'home-environment-variables) |