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-rw-r--r-- | configs/shared/.emacs.d/wpc/packages/wpc-nix.el | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/configs/shared/.emacs.d/wpc/packages/wpc-nix.el b/configs/shared/.emacs.d/wpc/packages/wpc-nix.el index af439c442d63..e2e0983086fc 100644 --- a/configs/shared/.emacs.d/wpc/packages/wpc-nix.el +++ b/configs/shared/.emacs.d/wpc/packages/wpc-nix.el @@ -4,9 +4,53 @@ ;;; Commentary: ;; Configuration to support working with Nix. +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; Dependencies +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +(prelude/assert (f-exists? "~/mono")) +(prelude/assert (f-exists? "~/depot")) + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; Library +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + ;;; Code: (use-package nix-mode :mode "\\.nix\\'") +(defun nix/sly-from-universe (attribute) + "Start a Sly REPL configured with a Lisp matching a derivation + from my monorepo. + +This function was taken from @tazjin's depot and adapted for my monorepo. + + The derivation invokes nix.buildLisp.sbclWith and is built + asynchronously. The build output is included in the error + thrown on build failures." + (interactive "sAttribute: ") + (lexical-let* ((outbuf (get-buffer-create (format "*universe-out/%s*" attribute))) + (errbuf (get-buffer-create (format "*universe-errors/%s*" attribute))) + (expression (format "let depot = import <depot> {}; universe = import <universe> {}; in depot.nix.buildLisp.sbclWith [ universe.%s ]" attribute)) + (command (list "nix-build" "-E" expression))) + (message "Acquiring Lisp for <depot>.%s" attribute) + (make-process :name (format "depot-nix-build/%s" attribute) + :buffer outbuf + :stderr errbuf + :command command + :sentinel + (lambda (process event) + (unwind-protect + (pcase event + ("finished\n" + (let* ((outpath (s-trim (with-current-buffer outbuf (buffer-string)))) + (lisp-path (s-concat outpath "/bin/sbcl"))) + (message "Acquired Lisp for <depot>.%s at %s" attribute lisp-path) + (sly lisp-path))) + (_ (with-current-buffer errbuf + (error "Failed to build '%s':\n%s" attribute (buffer-string))))) + (kill-buffer outbuf) + (kill-buffer errbuf)))))) + (provide 'wpc-nix) ;;; wpc-nix.el ends here |