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utils: Add a %guix-source-root-directory procedure.

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* guix/utils.scm (%guix-source-root-directory): New procedure.
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Maxim Cournoyer 2022-04-26 22:20:57 -04:00
parent 5bc1ede862
commit d7c4e7a0c2
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guix/utils.scm
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@ -78,6 +78,7 @@
substitute-keyword-arguments
ensure-keyword-arguments
%guix-source-root-directory
current-source-directory
nix-system->gnu-triplet
@ -1031,6 +1032,10 @@ environment variable name like \"XDG_CONFIG_HOME\"; SUFFIX is a suffix like
;;; Source location.
;;;
(define (%guix-source-root-directory)
"Return the source root directory of the Guix found in %load-path."
(dirname (absolute-dirname "guix/packages.scm")))
(define absolute-dirname
;; Memoize to avoid repeated 'stat' storms from 'search-path'.
(mlambda (file)