diff options
Diffstat (limited to 'guix/utils.scm')
| -rw-r--r-- | guix/utils.scm | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/guix/utils.scm b/guix/utils.scm index 9bf1cc893f..ab43ed4008 100644 --- a/guix/utils.scm +++ b/guix/utils.scm @@ -33,7 +33,7 @@ #:autoload (rnrs io ports) (make-custom-binary-input-port) #:use-module ((rnrs bytevectors) #:select (bytevector-u8-set!)) #:use-module (guix memoization) - #:use-module ((guix build utils) #:select (dump-port)) + #:use-module ((guix build utils) #:select (dump-port mkdir-p)) #:use-module ((guix build syscalls) #:select (mkdtemp! fdatasync)) #:use-module (ice-9 format) #:autoload (ice-9 popen) (open-pipe*) @@ -81,7 +81,10 @@ call-with-temporary-output-file call-with-temporary-directory with-atomic-file-output + + config-directory cache-directory + readlink* edit-expression @@ -598,13 +601,26 @@ output port, and PROC's result is returned." (false-if-exception (delete-file template)) (close-port out))))) -(define (cache-directory) - "Return the cache directory for Guix, by default ~/.cache/guix." - (string-append (or (getenv "XDG_CACHE_HOME") - (and=> (or (getenv "HOME") - (passwd:dir (getpwuid (getuid)))) - (cut string-append <> "/.cache"))) - "/guix")) +(define* (xdg-directory variable suffix #:key (ensure? #t)) + "Return the name of the XDG directory that matches VARIABLE and SUFFIX, +after making sure that it exists if ENSURE? is true. VARIABLE is an +environment variable name like \"XDG_CONFIG_HOME\"; SUFFIX is a suffix like +\"/.config\". Honor the XDG specs, +<http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html>." + (let ((dir (and=> (or (getenv variable) + (and=> (or (getenv "HOME") + (passwd:dir (getpwuid (getuid)))) + (cut string-append <> suffix))) + (cut string-append <> "/guix")))) + (when ensure? + (mkdir-p dir)) + dir)) + +(define config-directory + (cut xdg-directory "XDG_CONFIG_HOME" "/.config" <...>)) + +(define cache-directory + (cut xdg-directory "XDG_CACHE_HOME" "/.cache" <...>)) (define (readlink* file) "Call 'readlink' until the result is not a symlink." |