;;; magit-subtree.el --- subtree support for Magit -*- lexical-binding: t -*-
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;; Copyright (C) 2011-2018 The Magit Project Contributors
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;;
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;; You should have received a copy of the AUTHORS.md file which
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;; lists all contributors. If not, see http://magit.vc/authors.
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;; Author: Jonas Bernoulli <jonas@bernoul.li>
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;; Maintainer: Jonas Bernoulli <jonas@bernoul.li>
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;; Magit is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; Magit is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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;; License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with Magit. If not, see http://www.gnu.org/licenses.
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;;; Code:
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(require 'magit)
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;;; Popup
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;;;###autoload (autoload 'magit-subtree-popup "magit-subtree" nil t)
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(magit-define-popup magit-subtree-popup
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"Popup console for subtree commands."
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:man-page "git-subtree"
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:switches '("Switches for add, merge, push, and pull"
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(?s "Squash" "--squash")
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"Switches for split"
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(?i "Ignore joins" "--ignore-joins")
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(?j "Rejoin" "--rejoin"))
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:options '("Options"
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(?p "Prefix" "--prefix=" magit-subtree-read-prefix)
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"Options for add, merge, and pull"
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(?m "Message" "--message=")
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"Options for split"
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(?a "Annotate" "--annotate=")
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(?b "Branch" "--branch=")
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(?o "Onto" "--onto=" magit-read-branch-or-commit))
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:actions '((?a "Add" magit-subtree-add)
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(?m "Merge" magit-subtree-merge)
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(?p "Push" magit-subtree-push)
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(?c "Add commit" magit-subtree-add-commit)
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(?f "Pull" magit-subtree-pull)
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(?s "Split" magit-subtree-split))
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:max-action-columns 3)
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(defun magit-subtree-read-prefix (prompt &optional default)
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(let* ((insert-default-directory nil)
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(topdir (magit-toplevel))
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(prefix (read-directory-name (concat prompt ": ") topdir default)))
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(if (file-name-absolute-p prefix)
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;; At least `ido-mode's variant is not compatible.
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(if (string-prefix-p topdir prefix)
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(file-relative-name prefix topdir)
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(user-error "%s isn't inside the repository at %s" prefix topdir))
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prefix)))
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;;; Commands
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(defun magit-subtree-prefix (prompt)
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(--if-let (--first (string-prefix-p "--prefix=" it)
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(magit-subtree-arguments))
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(substring it 9)
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(magit-subtree-read-prefix prompt)))
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(defun magit-subtree-args ()
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(-filter (lambda (arg)
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(if (eq this-command 'magit-subtree-split)
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(or (equal arg "--ignore-joins")
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(equal arg "--rejoin")
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(string-prefix-p "--annotate=" arg)
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(string-prefix-p "--branch=" arg)
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(string-prefix-p "--onto=" arg))
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(or (equal arg "--squash")
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(and (string-prefix-p "--message=" arg)
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(not (eq this-command 'magit-subtree-push))))))
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(magit-subtree-arguments)))
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(defun magit-git-subtree (subcmd prefix &rest args)
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(magit-run-git-async "subtree" subcmd (concat "--prefix=" prefix) args))
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;;;###autoload
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(defun magit-subtree-add (prefix repository ref args)
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"Add REF from REPOSITORY as a new subtree at PREFIX."
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(interactive
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(cons (magit-subtree-prefix "Add subtree")
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(let ((remote (magit-read-remote-or-url "From repository")))
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(list remote
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(magit-read-refspec "Ref" remote)
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(magit-subtree-args)))))
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(magit-git-subtree "add" prefix args repository ref))
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;;;###autoload
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(defun magit-subtree-add-commit (prefix commit args)
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"Add COMMIT as a new subtree at PREFIX."
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(interactive (list (magit-subtree-prefix "Add subtree")
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(magit-read-string-ns "Commit")
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(magit-subtree-args)))
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(magit-git-subtree "add" prefix args commit))
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;;;###autoload
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(defun magit-subtree-merge (prefix commit args)
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"Merge COMMIT into the PREFIX subtree."
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(interactive (list (magit-subtree-prefix "Merge into subtree")
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(magit-read-string-ns "Commit")
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(magit-subtree-args)))
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(magit-git-subtree "merge" prefix args commit))
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;;;###autoload
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(defun magit-subtree-pull (prefix repository ref args)
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"Pull REF from REPOSITORY into the PREFIX subtree."
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(interactive
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(cons (magit-subtree-prefix "Pull into subtree")
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(let ((remote (magit-read-remote-or-url "From repository")))
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(list remote
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(magit-read-refspec "Ref" remote)
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(magit-subtree-args)))))
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(magit-git-subtree "pull" prefix args repository ref))
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;;;###autoload
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(defun magit-subtree-push (prefix repository ref args)
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"Extract the history of the subtree PREFIX and push it to REF on REPOSITORY."
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(interactive (list (magit-subtree-prefix "Push subtree")
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(magit-read-remote-or-url "To repository")
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(magit-read-string-ns "To reference")
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(magit-subtree-args)))
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(magit-git-subtree "push" prefix args repository ref))
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;;;###autoload
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(defun magit-subtree-split (prefix commit args)
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"Extract the history of the subtree PREFIX."
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(interactive (list (magit-subtree-prefix "Split subtree")
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(magit-read-string-ns "Commit")
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(magit-subtree-args)))
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(magit-git-subtree "split" prefix args commit))
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;;; _
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(provide 'magit-subtree)
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;;; magit-subtree.el ends here
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