gitolite-clone is installable from melpa, delete version in this repository
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;;; gitolite-clone.el --- Clone gitolite repositories from a completing list -*- lexical-binding: t; -*-
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;; Copyright (C) 2015 Ivan Malison
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;; Author: Ivan Malison <IvanMalison@gmail.com>
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;; Keywords: gitolite clone git
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;; URL: https://github.com/IvanMalison/gitolite-cloone
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;; Version: 0.1.0
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;; Package-Requires: ((dash "2.10.0") (s "1.9.0") (pcache "0.3.1") (emacs "24"))
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; gitolite-clone provides a cached completing read of the
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;; repositories available on a gitolite server and the ability to set
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;; rules for how repositories should be cloned.
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;;; Code:
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(require 'dash)
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(require 'pcache)
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(require 's)
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(defvar gitolite-clone-pcache-repository (pcache-repository "gitolite-clone"))
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(defcustom gitolite-clone-username "gitolite"
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"The username that will be used to connect to gitolite by gitoline-clone."
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:group 'gitolite-clone)
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(defcustom gitolite-clone-host ""
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"The gitolite host that will be connected to by default by gitoline-clone."
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:group 'gitolite-clone)
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(defcustom gitolite-clone-ttl (* 60 60 24 3)
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"The default pcache ttl that will be used for caching repository results from gitolite."
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:group 'gitolite-clone)
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(defcustom gitolite-clone-base-path "~"
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"The base path to which `gitolite-clone-default-determine-target' will clone repositories"
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:group 'gitolite-clone)
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(defvar gitolite-clone-determine-target 'gitolite-clone-default-determine-target)
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(defvar gitolite-clone-action 'gitolite-clone-default-action)
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(defun gitolite-clone-default-determine-target (username host repo-name)
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"A sensible default for determining the path to which repositories are cloned.
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USERNAME and HOST are ignored. The folder will reside in
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`gitolite-clone-base-path' and its name will be the text
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following the final '/' in REPO-NAME."
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(format "%s/%s" gitolite-clone-base-path (-last-item (s-split "/" repo-name))))
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(defun gitolite-clone-default-action (username host repo-name target)
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"Open dired at on the newly cloned repository.
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USERNAME, HOST, and REPO-NAME are ignored. Dired will be opened at TARGET."
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(dired target))
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(defun gitolite-clone-info-command (username host)
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"Generate command to retrieve the list of repositories from gitolite.
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USERNAME is the username used on the gitolite server and HOST is
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the hostname of the gitolite server."
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(format "ssh %s@%s info" (shell-quote-argument username) (shell-quote-argument host)))
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(defun gitolite-clone-get-projects-list-string (username host)
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"Make a call to the gitolite server to retrieve list of repos.
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a custom username can be provided with USERNAME and custom host
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can be probided with HOST."
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(shell-command-to-string (gitolite-clone-info-command username host)))
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(defun gitolite-clone-parse-projects-list-string (projects-list-string)
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"Get all lines that correspond to an actual repository from PROJECTS-LIST-STRING."
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(cl-loop for matches in (s-match-strings-all "^ \[RWC ]* \\(\[^ *\]*\\)$" projects-list-string)
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when (not (s-contains? "*" (nth 1 matches)))
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collect (nth 1 matches)))
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(defun gitolite-clone-get-projects (&optional username host force-refresh)
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"Retrieve and parse the list of projects available from gitolite.
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USERNAME is the username used on the gitolite server and HOST is
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the hostname of the gitolite server. The retrieval is cached an
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will only occur if the result has not already been stored.
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FORCE-REFRESH makes it so that the cache is ignored when non nil."
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(unless username (setq username gitolite-clone-username))
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(unless host (setq host gitolite-clone-host))
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(let ((result-key (intern (format "%s@%s" username host))))
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(unless (and (pcache-has gitolite-clone-pcache-repository result-key) (not force-refresh))
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(pcache-put gitolite-clone-pcache-repository result-key
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(gitolite-clone-parse-projects-list-string
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(gitolite-clone-get-projects-list-string username host)) gitolite-clone-ttl))
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(pcache-get gitolite-clone-pcache-repository result-key)))
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(defun gitolite-clone-select-repository (&optional username host)
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"Pick a repository from the one available from the gitolite server.
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USERNAME is the username used on the gitolite server and HOST is
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the hostname of the gitolite server."
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(completing-read "Choose a repository:" (gitolite-clone-get-projects username host)))
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;;;###autoload
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(defun gitolite-clone (&optional username host determine-target action)
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"Clone a gitolite repo to be selected by `completing-read'.
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USERNAME and HOST will be used to determine how to talk to
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gitolite using ssh. They default to `gitolite-clone-username' and
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`gitolite-clone-host' respectively.
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DETERMINE-TARGET is a function with signature identical to that
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of `gitolite-clone-default-determine-target'. It will determine
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the path to which the repository should be cloned, and it
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defaults to `gitolite-clone-default-determine-target'.
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ACTION is a function that will be executed once the repository
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has been cloned. It's signature should be that of
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`gitolite-clone-default-action', which is also the default value
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for this argument."
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(interactive)
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(unless username (setq username gitolite-clone-username))
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(unless host (setq host gitolite-clone-host))
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(unless determine-target (setq determine-target gitolite-clone-determine-target))
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(unless action (setq action gitolite-clone-action))
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(let* ((repository (gitolite-clone-select-repository))
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(target (funcall determine-target username host repository))
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(git-command (format "git clone %s@%s:%s %s" (shell-quote-argument username)
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(shell-quote-argument host) (shell-quote-argument repository)
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(shell-quote-argument target))))
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(unless (file-exists-p target)
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(shell-command git-command))
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(when (file-exists-p target)
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(funcall action username host repository target))))
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(provide 'gitolite-clone)
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;;; gitolite-clone.el ends here
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