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| author | Fredrik Salomonsson <plattfot@posteo.net> | 2022-06-05 19:51:43 +0000 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2022-06-17 23:39:32 +0200 |
| commit | c3afbd05bf541b31b122e6093ff10eabf6a47926 (patch) | |
| tree | 8aeb015115df87b97f4a02459bcc4d0715d322b2 | |
| parent | f8275916fc6fcb3dd9bd8ef7dc4ddce2dca98c7d (diff) | |
| download | guix-c3afbd05bf541b31b122e6093ff10eabf6a47926.tar.gz | |
guix: emacs-utils: Add emacs-header-parse.
* guix/build/emacs-utils.scm (emacs-header-parse): New procedure.
* tests/build-emacs-utils.scm ("emacs-header-parse: fetch version",
"emacs-header-parse: fetch keywords", "emacs-header-parse: fetch
nonexistent author"): New tests.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
| -rw-r--r-- | guix/build/emacs-utils.scm | 9 | ||||
| -rw-r--r-- | tests/build-emacs-utils.scm | 27 |
2 files changed, 35 insertions, 1 deletions
diff --git a/guix/build/emacs-utils.scm b/guix/build/emacs-utils.scm index 1684bf3262..8ee547f2b3 100644 --- a/guix/build/emacs-utils.scm +++ b/guix/build/emacs-utils.scm @@ -38,6 +38,7 @@ emacs-generate-autoloads emacs-byte-compile-directory + emacs-header-parse as-display emacs-substitute-sexps @@ -114,6 +115,14 @@ true, evaluate using dynamic scoping." (byte-recompile-directory (file-name-as-directory ,dir) 0 1)))) (emacs-batch-eval expr))) +(define (emacs-header-parse section file) + "Parse the header SECTION in FILE and return it as a string." + (emacs-batch-script + `(progn + (require 'lisp-mnt) + (find-file ,file) + (princ (lm-header ,section))))) + (define as-display ;syntactic keyword for 'emacs-substitute-sexps' '(as display)) diff --git a/tests/build-emacs-utils.scm b/tests/build-emacs-utils.scm index 27cff46c38..081032285a 100644 --- a/tests/build-emacs-utils.scm +++ b/tests/build-emacs-utils.scm @@ -28,7 +28,7 @@ (test-begin "build-emacs-utils") ;; Only run the following tests if emacs is present. -(test-skip (if (which "emacs") 0 2)) +(test-skip (if (which "emacs") 0 5)) (test-equal "emacs-batch-script: print foo from emacs" "foo" @@ -40,4 +40,29 @@ "Lisp error: (wrong-type-argument numberp \"three\")"))) (emacs-batch-script '(mapcar 'number-to-string (list 1 2 "three"))))) +(call-with-temporary-directory + (lambda (directory) + (let ((mock-elisp-file (string-append directory "/foo.el"))) + (call-with-output-file mock-elisp-file + (lambda (port) + (display ";;; foo --- mock emacs package -*- lexical-binding: t -*- + +;; Created: 4 Jun 2022 +;; Keywords: lisp test +;; Version: 1.0.0 +;;; Commentary: +;;; Code: +;;; foo.el ends here +" + port))) + (test-equal "emacs-header-parse: fetch version" + "1.0.0" + (emacs-header-parse "version" mock-elisp-file)) + (test-equal "emacs-header-parse: fetch keywords" + "lisp test" + (emacs-header-parse "keywords" mock-elisp-file)) + (test-equal "emacs-header-parse: fetch nonexistent author" + "nil" + (emacs-header-parse "author" mock-elisp-file))))) + (test-end "build-emacs-utils") |