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+;;; git-email.el --- Work with git and email -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2021 yoctocell
+
+;; Author: yoctocell <public@yoctocell.xyz>
+;; URL: https://git.sr.ht/~yoctocell/git-email
+;; Version: 0.1.0
+;; Package-Requires: ((emacs "25.1"))
+;; Keywords: git email
+;; License: GNU General Public License >= 3
+
+;; 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.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;; Code:
+
+(defun git-email--extract-header (header patch-file)
+  "Extract HEADER from PATCH-FILE."
+  (with-temp-buffer
+    (insert-file-contents patch-file)
+    (goto-char (point-min))
+    (buffer-substring-no-properties
+     (re-search-forward (format " *%s: .*" header))
+     (point-at-bol))))
+
+(provide 'git-email)
+;;; git-email.el ends here
+