tasks/01-project-setup.md done

.gitignore

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+# Byte-compiled files
+*.elc
+
+# Eldev
+.eldev/
+Eldev-local
+
+# Package archives
+/packages/
+
+# Test artifacts
+/test/tmp/
+
+# Editor
+*~
+\#*\#
+.#*
+
+# OS
+.DS_Store

Eldev

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+; -*- mode: emacs-lisp; lexical-binding: t; -*-
+
+(eldev-use-package-archive 'gnu)
+(eldev-use-package-archive 'melpa)
+
+;; Test dependencies
+(eldev-add-extra-dependencies 'test 'ert)
+
+;; Use ERT for testing
+(setf eldev-test-framework 'ert)
+
+;; Lint configuration
+(setf eldev-lint-default '(elisp package))

Makefile

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+EMACS ?= emacs
+BATCH = $(EMACS) -Q -batch -L .
+
+.PHONY: all compile test lint clean
+
+all: compile test
+
+compile:
+	$(BATCH) -f batch-byte-compile ob-elixir.el
+
+test:
+	$(BATCH) -l ert -l test/test-ob-elixir.el \
+		-f ert-run-tests-batch-and-exit
+
+lint:
+	$(BATCH) --eval "(require 'package)" \
+		--eval "(package-initialize)" \
+		--eval "(package-refresh-contents)" \
+		--eval "(package-install 'package-lint)" \
+		-l package-lint \
+		-f package-lint-batch-and-exit ob-elixir.el
+
+clean:
+	rm -f *.elc test/*.elc

ob-elixir.el

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+;;; ob-elixir.el --- Org Babel functions for Elixir -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2024 Your Name
+
+;; Author: Your Name <your.email@example.com>
+;; URL: https://github.com/username/ob-elixir
+;; Keywords: literate programming, reproducible research, elixir
+;; Version: 0.1.0
+;; Package-Requires: ((emacs "27.1") (org "9.4"))
+
+;; This file is not part of GNU Emacs.
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;;; Commentary:
+
+;; Org Babel support for evaluating Elixir code blocks.
+;;
+;; Features:
+;; - Execute Elixir code in org-mode source blocks
+;; - Support for :results value and :results output
+;; - Variable passing with :var header argument
+;; - Mix project context support
+;;
+;; Usage:
+;; Add (elixir . t) to `org-babel-load-languages':
+;;
+;;   (org-babel-do-load-languages
+;;    'org-babel-load-languages
+;;    '((elixir . t)))
+
+;;; Code:
+
+(require 'ob)
+(require 'ob-eval)
+
+(provide 'ob-elixir)
+;;; ob-elixir.el ends here

test/test-ob-elixir.el

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+;;; test-ob-elixir.el --- Tests for ob-elixir -*- lexical-binding: t; -*-
+
+;;; Commentary:
+
+;; Test suite for ob-elixir package.
+
+;;; Code:
+
+(require 'ert)
+
+;; Add parent directory to load path
+(let ((dir (file-name-directory (or load-file-name buffer-file-name))))
+  (add-to-list 'load-path (expand-file-name ".." dir)))
+
+(require 'ob-elixir)
+
+(ert-deftest ob-elixir-test-package-loads ()
+  "Test that the package loads successfully."
+  (should (featurep 'ob-elixir)))
+
+(provide 'test-ob-elixir)
+;;; test-ob-elixir.el ends here