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 .. _archive-changelog:
 
 
 Software Heritage --- Archive ChangeLog
 =======================================
 
 Below you can find a time-indexed list of notable events and changes to
 archival policies in the Software Heritage Archive. Each of them might have
 (had) an impact on how content is archived and explain apparent statistical
 anomalies or other changes in archival behavior over time. They are collected
 in this document for historical reasons.
 
 **WARNING:** this document is **work in progress** and not complete yet. You
 can follow the status of completing it on our development forge: `T2793
 <https://forge.softwareheritage.org/T2793>`_.
 
 
 2020
 ----
 
 * **2020-10-06 - 2020-11-23:** source code crawlers have been paused to avoid
   an out of disk condition, due to an unexpected delay in the arrival of new
   storage hardware. Push archival (both deposit_ and `save code now`_) remained
   in operation. (tracking: `T2656 <https://forge.softwareheritage.org/T2656>`_)
 
+* **2020-09-15:** completed first ingestion of, and added to regular crawling
+  `GNU Guix System`_ (tracking: `T2594
+  <https://forge.softwareheritage.org/T2594>`_)
+
 * **2020-06-11:** completed integration with the IPOL_ journal, allowing paper
   authors to explicitly deposit_ source code to the archive (`announcement
   <https://www.softwareheritage.org/2020/06/11/ipol-and-swh/>`_)
 
+* **2020-05-25:** completed first ingestion of, and added to regular crawling
+  NixOS_ (tracking: `T2411 <https://forge.softwareheritage.org/T2411>`_)
+
 
 2019
 ----
 
 * **2019-09-10:** completed first ingestion of Bitbucket_ Git repositories and
   added Bitbucket as a regularly crawled forge (tracking: `T592
   <https://forge.softwareheritage.org/T592>`_)
 
 * **2019-06-30:** completed first ingestion of, and added to regular crawling,
   several GitLab_ instances: `0xacab.org <https://0xacab.org>`_, `framagit.org
   <https://framagit.org>`_, `gite.lirmm.fr <https://gite.lirmm.fr>`_,
   `gitlab.common-lisp.net <https://gitlab.common-lisp.net>`_,
   `gitlab.freedesktop.org <https://gitlab.freedesktop.org>`_, `gitlab.gnome.org
   <https://gitlab.gnome.org>`_, `gitlab.inria.fr <https://gitlab.inria.fr>`_,
   `salsa.debian.org <https://salsa.debian.org>`_
 
 * **2019-06-12:** completed first ingestion of CRAN_ packages and added CRAN as
   a regularly crawled package repository (tracking: `T1709
   <https://forge.softwareheritage.org/T1709>`_)
 
 * **2019-06-11:** completed a full ingestion of GNU_ source code releases from
   `ftp.gnu.org`_, and added it to regular crawling (tracking: `T1722
   <https://forge.softwareheritage.org/T1722>`_)
 
 * **2019-05-27:** completed a full ingestion of NPM_ packages andded it as a
   regularly crawled package repository (tracking: `T1378
   <https://forge.softwareheritage.org/T1378>`_)
 
 * **2019-01-10:** enabled the `save code now`_ service, allowing users to
   explicitly request archival of a specific source code repository
   (`announcement
   <https://www.softwareheritage.org/2019/01/10/save_code_now/>`_)
 
 
 2018
 ----
 
 * **2018-10-10:** completed first ingestion of PyPI_ packages and added PyPI as
   a regularly crawled package repository (`announcement
   <https://www.softwareheritage.org/2018/10/10/pypi-available-on-software-heritage/>`_)
 
 * **2018-09-25:** completed integration with HAL_, allowing paper authors to
   explicitly deposit_ source code to the archive (`announcement
   <https://www.softwareheritage.org/2018/09/28/depositing-scientific-software-into-software-heritage/>`_)
 
 * **2018-08-31:** completed first ingestion of public GitLab_ repositories from
   `gitlab.com <https://gitlab.com>`_ and added it as a regularly crawled forge
   (tracking: `T1111 <https://forge.softwareheritage.org/T1111>`_)
 
 * **2018-03-21:** completed import of `Google Code`_ Mercurial repositories.
   (tracking: `T682 <https://forge.softwareheritage.org/T682>`_)
 
 * **2018-02-20:** completed import of Debian_ packages and added Debian as a
   regularly crawled distribution (`announcement
   <https://www.softwareheritage.org/2018/02/20/listing-and-loading-of-debian-repositories-now-live/>`_)
 
 
 2017
 ----
 
 * **2017-10-02:** completed import of `Google Code`_ Subversion repositories
   (tracking: `T617 <https://forge.softwareheritage.org/T617>`_)
 
 * **2017-06-06:** completed import of `Google Code`_ Git repositories
   (tracking: `T673 <https://forge.softwareheritage.org/T673>`_)
 
 
 2016
 ----
 
 * **2016-04-04:** completed import of the Gitorious_ (tracking: `T312
   <https://forge.softwareheritage.org/T312>`_)
 
 
 2015
 ----
 
 * **2015-11-06:** archived all GNU_ source code releases from `ftp.gnu.org`_
   (tracking: `T90 <https://forge.softwareheritage.org/T90>`_)
 * **2015-07-28:** started archiving public GitHub_ repositories
 
 
 
 .. _Bitbucket: https://bitbucket.org
 .. _CRAN: https://cran.r-project.org
 .. _Debian: https://www.debian.org
+.. _GNU Guix System: https://guix.gnu.org/
 .. _GNU: https://en.wikipedia.org/wiki/Google_Code
 .. _GitHub: https://github.com
 .. _GitLab: https://gitlab.com
 .. _Gitorious: https://en.wikipedia.org/wiki/Gitorious
 .. _Google Code: https://en.wikipedia.org/wiki/Google_Code
 .. _HAL: https://hal.archives-ouvertes.fr
 .. _IPOL: http://www.ipol.im
 .. _NPM: https://www.npmjs.com
+.. _NixOS: https://nixos.org/
 .. _PyPI: https://pypi.org
 .. _deposit: https://deposit.softwareheritage.org
 .. _ftp.gnu.org: http://ftp.gnu.org
 .. _save code now: https://save.softwareheritage.org