diff --git a/common/modules/status-extended.org b/common/modules/status-extended.org index 1caf88a..15ba8e8 100644 --- a/common/modules/status-extended.org +++ b/common/modules/status-extended.org @@ -1,426 +1,424 @@ #+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %10BEAMER_act(Act) %4BEAMER_col(Col) %10BEAMER_extra(Extra) %8BEAMER_opt(Opt) #+INCLUDE: "prelude.org" :minlevel 1 # not to be included as a whole, just pick individual slides as you see fit * Status :PROPERTIES: :CUSTOM_ID: main :END: ** The people :PROPERTIES: :CUSTOM_ID: people :END: *** The core team :B_picblock: :PROPERTIES: :CUSTOM_ID: core-team-formal :BEAMER_env: picblock :BEAMER_opt: pic=team,width=.4\linewidth :END: - Roberto Di Cosmo - Stefano Zacchiroli - Nicolas Dandrimont (Engineer) - Antoine Dumont (Engineer) # - and /Jordi, Quentin and Guillaume/ *** Scientific advisors - Serge Abiteboul (French Science Academy) - Jean-François Abramatic (former W3C director) - Gerard Berry (CNRS Gold Medal, French Science Academy) - Julia Lawall (Coccinelle, Linux Kernel, Outreachy) ** Archive coverage :PROPERTIES: :CUSTOM_ID: archive :END: #+BEAMER: \vspace{-2mm} #+BEAMER: \begin{center}\includegraphics[width=\extblockscale{1.1\linewidth}]{2018-03-archive-growth.png}\end{center} #+BEAMER: \vspace{-2mm} *** Current sources - live: GitHub, Debian - one-off: Gitorious, Google Code, GNU - - WIP: Bitbucket + - WIP: GitLab, PyPI, Bitbucket #+BEAMER: \pause *** - 175 TB (compressed) blobs, 6 TB database (as a graph: 8 B nodes + 70 B edges) + 175 TB (compressed) blobs, 6 TB database (as a graph: 10 B nodes + 100 B edges) #+BEAMER: \pause *** \hfill The /richest/ public source code archive, ... and growing daily! ** The structure of the archive :noexport: *** On-disk storage - flat file storage for contents - postgres database for the metadata *** Data model: /one/ big Merkle DAG, inspired by the git model - Origins (= repositories) - Occurrences (= branches) - Releases (= tags) - Revisions (= commits) - Directories (= trees) - Contents (= blobs) ** Archiving goals :PROPERTIES: :CUSTOM_ID: archivinggoals :END: Targets: VCS repositories & source code releases (e.g., tarballs) *** We DO archive - file *content* (= blobs) - *revisions* (= commits), with full metadata - *releases* (= tags), ditto - where (*origin*) & when (*visit*) we found any of the above # - time-indexed repo *snapshots* (i.e., we never delete anything) … in a VCS-/archive-agnostic *canonical data model* *** We DON'T archive # - diffs → derived data from related contents - homepages, wikis - BTS/issues/code reviews/etc. - mailing lists Long term vision: play our part in a /"semantic wikipedia of software"/ ** Architecture :PROPERTIES: :CUSTOM_ID: architecture :END: *** Data flow :PROPERTIES: :CUSTOM_ID: dataflow :END: # #+BEAMER: \begin{center}\includegraphics[width=\extblockscale{1.2\textwidth}]{swh-dataflow.pdf}\end{center} ** Data model :noexport: *** General schema - VCS-independent - fully deduplicated + files, directories and commits are /shared/ - biggest git-like /graph/ in the world *** \begin{center} \url{http://deb.li/swhdm} \end{center} *** full hash index (sha1, sha256, ...) Some funny facts: - the GPL2 licence appears under more than 500 names + including /aa.css.txt/ and /FullSync.txt/ ~ :-) ** Merkle DAG *** Merkle structure :PROPERTIES: :CUSTOM_ID: merkle :END: **** Merkle trees :PROPERTIES: :CUSTOM_ID: merkletree :END: # R. C. Merkle, A digital signature based on a conventional encryption # function, Crypto '87 #+BEAMER: \vspace{-3mm} ***** Merkle tree (R. C. Merkle, Crypto 1979) :B_picblock: :PROPERTIES: :BEAMER_opt: pic=merkle, leftpic=true, width=.7\linewidth :BEAMER_env: picblock :BEAMER_act: :END: Combination of - tree - hash function #+BEAMER: \pause #+BEAMER: \footnotesize ***** Classical cryptographic construction - fast, parallel signature of large data structures - widely used (e.g., Git, blockchains, IPFS, ...) - built-in deduplication **** The archive in a few pictures :PROPERTIES: :CUSTOM_ID: merkledemo :END: ***** A giant (extended) Merkle DAG #+LATEX: \only<1>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/merkle_1.pdf}}} #+LATEX: \only<2>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/contents.pdf}}} #+LATEX: \only<3>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/merkle_2_contents.pdf}}} #+LATEX: \only<4>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/directories.pdf}}} #+LATEX: \only<5>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/merkle_3_directories.pdf}}} #+LATEX: \only<6>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/revisions.pdf}}} #+LATEX: \only<7>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/merkle_4_revisions.pdf}}} #+LATEX: \only<8>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/releases.pdf}}} #+LATEX: \only<9>{\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/merkle_5_releases.pdf}}} # #+LATEX: {\colorbox{white}{\includegraphics[width=\extblockscale{.9\linewidth}]{git-merkle/merkle_1.pdf}}} *** A revision node :PROPERTIES: :CUSTOM_ID: merklerevision :END: **** Example: a Software Heritage revision ***** #+BEAMER: \vspace{-.5cm}\centering\includegraphics[width=0.9\textwidth]{git-merkle/revisions} ***** Note: most object kinds currently have Git-compatible identifiers *** Giant DAG :PROPERTIES: :CUSTOM_ID: giantdag :END: **** The archive: a (giant) Merkle DAG # Using an empty frame because the image is difficult to read on swh bg. # Finding a way to override image bg for just this frame would be better. ***** #+BEAMER: \centering \includegraphics[width=\extblockscale{\textwidth}]{git-merkle/merkle_5_releases} *** Giant DAG (single slide) :PROPERTIES: :CUSTOM_ID: giantdag1slide :END: **** The Software Heritage archive: a gigantic Merkle DAG #+LATEX: \centering #+LATEX: \only<1>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/merkle_1}}} #+LATEX: \only<2>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/contents}}} #+LATEX: \only<3>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/merkle_2_contents}}} #+LATEX: \only<4>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/directories}}} #+LATEX: \only<5>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/merkle_3_directories}}} #+LATEX: \only<6>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/revisions}}} #+LATEX: \only<7>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/merkle_4_revisions}}} #+LATEX: \only<8>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/releases}}} #+LATEX: \only<9>{\colorbox{white}{\includegraphics[width=.75\linewidth]{git-merkle/merkle_5_releases}}} ** Technology :noexport: :PROPERTIES: :CUSTOM_ID: technology :END: *** Software stack **** 3rd party - Debian, Puppet, Ceph - PostgreSQL for metadata storage, with barman & pglogical - Celery (RabbitMQ backend) for task scheduling - Python3 and psycopg2 for the backend - Django, Bootstrap, D3.js for Web stuff **** in house - /ad hoc/ object storage (to avoid imposing tech to mirrors) - data model implementation, listers, loaders, scheduler - ~60 Git repositories (~20 Python packages, ~30 Puppet modules) - ~30 kSLOC Python / ~12 kSLOC SQL / ~4 kSLOC Puppet - licence choice: GPLv3 (backend) / AGPLv3 (frontend) *** Hardware stack **** in house - 2x hypervisors with ~20 VMs - 2x high density storage array (60 * 6TB => 300TB usable each) - Prototype: ceph storage cluster for blobs **** on Azure - full object storage mirror - full mirror of the database containing the graph - workers for content indexing - workers for download bundle preparation **** at the University of Bologna - backend storage (60TB) for the bundles available for download *** Software architecture :noexport: **** Module dependencies (internal + external) :B_picblock: :PROPERTIES: :BEAMER_env: picblock :BEAMER_opt: pic=swh-modules-deps-all,width=\linewidth :END: **** let's zoom in: http://deb.li/swhdeps ** Technology :noexport: :PROPERTIES: :CUSTOM_ID: technology-short :END: *** Deployment and resource usage **** Software - around 30k SLOC of custom Python code, running on Debian Stable - PostgreSQL database for the metadata storage **** Hardware - 3 hypervisors with mass storage and a backup server at Inria - Work in progress: in-house Ceph deployment for object storage - In-kind sponsorship of cloud and storage resources (Microsoft, University of Bologna) ** Software development :noexport: :PROPERTIES: :CUSTOM_ID: development :END: *** Software development **** classic FOSS development - language: English - development mailing list #+BEAMER: \\{\small \url{https://sympa.inria.fr/sympa/info/swh-devel}} - IRC #+BEAMER: \\ #swh-devel / FreeNode - Forge #+BEAMER: \\{\small \url{https://forge.softwareheritage.org}} - Git, tasks, code review, etc. **** for more information #+BEAMER: \scriptsize https://www.softwareheritage.org/community/developers/ ** Roadmap :PROPERTIES: :CUSTOM_ID: features :END: *** Features... - (done) *lookup* by content hash - - *browsing*: "wayback machine" for archived code - - (done) via Web API - - (early access) via Web UI + - (done) *browsing*: "wayback machine" for source code (API + UI) - (early access) *deposit* of source code bundles directly to the archive - - (early access) *download*: =wget= / =git clone= from the archive + - (done) *download*: =wget= / =git clone= from the archive - (todo) *provenance* lookup for all archived content - (todo) *full-text search* on all archived source code files #+BEAMER: \pause *** ... and much more than one could possibly imagine all the world's software development history at hand's reach! ** Web API :noexport: :PROPERTIES: :CUSTOM_ID: api :END: *** Web API :PROPERTIES: :CUSTOM_ID: apiintro :END: **** RESTful API to programmatically access the Software Heritage archive \\ *\url{https://archive.softwareheritage.org/api/}* **** Features - pointwise *browsing* of the archive - … snapshots → revisions → directories → contents … - full access to the *metadata* of archived objects - *crawling* information - /when have you last visited this Git repository I care about?/ - /where were its branches/tags pointing to at the time?/ # - derived information about archived contents (WIP) # - MIME type, programming language, license, etc. **** Endpoint index \url{https://archive.softwareheritage.org/api/1/} *** A tour of the Web API --- origins & visits :PROPERTIES: :CUSTOM_ID: apitourvisits :END: #+BEAMER: \footnotesize #+BEGIN_SRC GET https://archive.softwareheritage.org/api/1/origin/ \ git/url/https://github.com/hylang/hy { "id": 1, "origin_visits_url": "/api/1/origin/1/visits/", "type": "git", "url": "https://github.com/hylang/hy" } #+END_SRC #+BEAMER: \vfill #+BEGIN_SRC GET https://archive.softwareheritage.org/api/1/origin/ \ 1/visits/ [ ..., { "date": "2016-09-14T11:04:26.769266+00:00", "origin": 1, "origin_visit_url": "/api/1/origin/1/visit/13/", "status": "full", "visit": 13 }, ... ] #+END_SRC *** A tour of the Web API --- snapshots :PROPERTIES: :CUSTOM_ID: apitoursnapshots :END: #+BEAMER: \footnotesize #+BEGIN_SRC GET https://archive.softwareheritage.org/api/1/origin/ \ 1/visit/13/ { ..., "occurrences": { ..., "refs/heads/master": { "target": "b94211251...", "target_type": "revision", "target_url": "/api/1/revision/b94211251.../" }, "refs/tags/0.10.0": { "target": "7045404f3...", "target_type": "release", "target_url": "/api/1/release/7045404f3.../" }, ... }, "origin": 1, "origin_url": "/api/1/origin/1/", "status": "full", "visit": 13 } #+END_SRC *** A tour of the Web API --- releases :noexport: :PROPERTIES: :CUSTOM_ID: apitourreleases :END: #+BEAMER: \footnotesize #+BEGIN_SRC GET https://archive.softwareheritage.org/api/1/release/ \ 7045404f3d1c54e6473c71bbb716529fbad4be24/ { "author": { "email": "tag@pault.ag", "fullname": "Paul Tagliamonte ", "id": 96, "name": "Paul Tagliamonte" }, "date": "2014-04-10T23:01:28-04:00", "message": "0.10: The Oh f*ck it's PyCon release", "name": "0.10.0", "synthetic": false, "target": "6072557b6...", "target_type": "revision", "target_url": "/api/1/revision/6072557b6.../", ... } #+END_SRC *** A tour of the Web API --- revisions :PROPERTIES: :CUSTOM_ID: apitourrevisions :END: #+BEAMER: \footnotesize #+BEGIN_SRC GET https://archive.softwareheritage.org/api/1/revision/ \ 6072557b6c10cd9a21145781e26ad1f978ed14b9/ { "author": { "email": "tag@pault.ag", "fullname": "Paul Tagliamonte ", "id": 96, "name": "Paul Tagliamonte" }, "committer": { ... }, "date": "2014-04-10T23:01:11-04:00", "committer_date": "2014-04-10T23:01:11-04:00", "directory": "2df4cd84e...", "directory_url": "/api/1/directory/2df4cd84e.../", "history_url": "/api/1/revision/6072557b6.../log/", "merge": false, "message": "0.10: The Oh f*ck it's PyCon release", "parents": [ { "id": "10149f66e...", "url": "/api/1/revision/10149f66e.../" } ], ... } #+END_SRC *** A tour of the Web API --- contents :PROPERTIES: :CUSTOM_ID: apitourcontents :END: #+BEAMER: \footnotesize #+BEGIN_SRC GET https://archive.softwareheritage.org/api/1/content/ \ adc83b19e793491b1c6ea0fd8b46cd9f32e592fc/ { "data_url": "/api/1/content/sha1:adc83b19e.../raw/", "filetype_url": "/api/1/content/sha1:.../filetype/", "language_url": "/api/1/content/sha1:.../language/", "length": 1, "license_url": "/api/1/content/sha1:.../license/", "sha1": "adc83b19e...", "sha1_git": "8b1378917...", "sha256": "01ba4719c...", "status": "visible" } #+END_SRC #+BEAMER: \normalsize \vfill \pause **** Caveats - rate limits apply throughout the API - blob download available for selected contents ** Some technical challenges :PROPERTIES: :CUSTOM_ID: techchallenges :END: *** Expanding the archive - discover and classify /all/ the software sources - importers for other VCSs (SVN, Hg, ...) \hfill /We need your help!/ *** Staying current get new repositories and commits ASAP\\ \hfill /We need reliable, standardised event feeds./ *** Handling the backlog ingesting all the pre-existing data\\ \hfill /Decades of software development are waiting!/ diff --git a/common/modules/webui.org b/common/modules/webui.org index 69d14ac..d25b99f 100644 --- a/common/modules/webui.org +++ b/common/modules/webui.org @@ -1,65 +1,62 @@ #+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %10BEAMER_act(Act) %4BEAMER_col(Col) %10BEAMER_extra(Extra) %8BEAMER_opt(Opt) #+INCLUDE: "prelude.org" :minlevel 1 * Web UI :PROPERTIES: :CUSTOM_ID: main :END: ** Web user interface :PROPERTIES: :CUSTOM_ID: intro :END: **** Browser-based interface to browse the Software Heritage archive \\ *\url{https://archive.softwareheritage.org/browse/}* -**** Technology preview... just for you! - - username: {{{webui_login}}} - - password: {{{webui_password}}} **** Features - all *REST API features*, but good looking :-) - browsing: snapshots → revisions → directories → contents … - access to metadata and crawling information - *origin search*, as full text indexing of origin URLs - bulk *download*, via integration with the Vault ** Web UI --- origin search :PROPERTIES: :CUSTOM_ID: origin-search :END: #+latex: \centering \vspace{-3mm} #+ATTR_LATEX: :width \textwidth file:webui-origin-search.png ** Web UI --- available visits :PROPERTIES: :CUSTOM_ID: visits :END: #+latex: \centering \vspace{-3mm} #+ATTR_LATEX: :width \textwidth file:webui-histogram.png ** Web UI --- calendar :PROPERTIES: :CUSTOM_ID: calendar :END: #+latex: \centering \vspace{-3mm} #+ATTR_LATEX: :width \textwidth file:webui-calendar.png ** Web UI --- directory browsing :PROPERTIES: :CUSTOM_ID: directory :END: #+latex: \centering \vspace{-3mm} #+ATTR_LATEX: :width .85\textwidth file:webui-directory.png ** Web UI --- syntax highlighting and selection :PROPERTIES: :CUSTOM_ID: syntax :END: #+latex: \centering \vspace{-3mm} #+ATTR_LATEX: :width .85\textwidth file:webui-source-file.png ** Web UI --- revisions as diffs :PROPERTIES: :CUSTOM_ID: commit :END: #+latex: \centering \vspace{-3mm} #+ATTR_LATEX: :width .85\textwidth file:webui-commit-diff.png diff --git a/talks-public/2018-07-18-oscon/2018-07-18-oscon.org b/talks-public/2018-07-18-oscon/2018-07-18-oscon.org new file mode 100644 index 0000000..21c8d9f --- /dev/null +++ b/talks-public/2018-07-18-oscon/2018-07-18-oscon.org @@ -0,0 +1,142 @@ +#+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %10BEAMER_act(Act) %4BEAMER_col(Col) %10BEAMER_extra(Extra) %8BEAMER_opt(Opt) +#+TITLE: Software Heritage +#+SUBTITLE: Browsing 20 years of FOSS, and then some +#+BEAMER_HEADER: \date[18/07/2018, OSCON]{18 July 2018\\OSCON, Portland OR} +#+DATE: 18 July 2018 + +#+INCLUDE: "../../common/modules/prelude.org" :minlevel 1 +#+INCLUDE: "../../common/modules/169.org" +#+BEAMER_HEADER: \institute[Software Heritage]{Software Heritage --- \href{mailto:zack@upsilon.cc}{\tt zack@upsilon.cc}} +#+BEAMER_HEADER: \author{Stefano Zacchiroli} + +#+LATEX_HEADER_EXTRA: \usepackage{bbding} +#+LATEX_HEADER_EXTRA: \DeclareUnicodeCharacter{66D}{\FiveStar} +#+LATEX_HEADER_EXTRA: \usepackage{tikz} +#+LATEX_HEADER_EXTRA: \usetikzlibrary{arrows,shapes} +#+LATEX_HEADER_EXTRA: \definecolor{swh-orange}{RGB}{254,205,27} +#+LATEX_HEADER_EXTRA: \definecolor{swh-red}{RGB}{226,0,38} +#+LATEX_HEADER_EXTRA: \definecolor{swh-green}{RGB}{77,181,174} + +* The Software Commons +** Free/Open Source Software is everywhere + #+latex: \begin{center} + #+ATTR_LATEX: :width .75\linewidth + file:software-center.pdf + #+latex: \end{center} + #+INCLUDE: "../../common/modules/source-code-different-short.org::#softwareisdifferent" :minlevel 2 +** Our Software Commons + #+INCLUDE: "../../common/modules/foss-commons.org::#commonsdef" :only-contents t + #+BEAMER: \pause +*** Source code is /a precious part/ of our commons + \hfill are we taking care of it? + # #+INCLUDE: "../../common/modules/swh-motivations-foss.org::#main" :only-contents t :minlevel 2 +* Software Heritage + # #+INCLUDE: "../../common/modules/swh-overview-sourcecode.org::#mission" :minlevel 2 +** Software Heritage in a nutshell + :PROPERTIES: + :CUSTOM_ID: goals + :END: +#+latex: \begin{center} +#+ATTR_LATEX: :width \extblockscale{.8\linewidth} +file:SWH-logo+motto.pdf +#+latex: \end{center} +*** /Collect, preserve and share/ the /source code/ of /all the software/ that is publicly available + \hfill Preserving our heritage, enabling better software and better science for all +#+BEAMER: \pause +*** Reference catalog + :PROPERTIES: + :BEAMER_env: block + :BEAMER_COL: .3 + :END: +#+BEGIN_EXPORT latex +\begin{center} +\includegraphics[width=.6\linewidth]{myriadsources} +\end{center} +#+END_EXPORT + find and reference all source code +#+BEAMER: \pause +*** Universal archive + :PROPERTIES: + :BEAMER_env: block + :BEAMER_COL: .3 + :END: +#+BEGIN_EXPORT latex +\begin{center} +\includegraphics[width=.6\linewidth]{fragilecloud} +\end{center} +#+END_EXPORT + preserve the software commons +#+BEAMER: \pause +*** Research infrastructure :B_block: + :PROPERTIES: + :BEAMER_COL: .3 + :BEAMER_env: block + :END: +#+BEGIN_EXPORT latex +\begin{center} +\includegraphics[width=.7\linewidth]{atacama-telescope} +\end{center} +#+END_EXPORT + enable analysis of all public software +** Core principles + #+latex: \begin{center} + #+ATTR_LATEX: :width .9\linewidth + file:SWH-as-foundation-slim.png + #+latex: \end{center} + #+BEAMER: \pause +*** Open approach :B_block:BMCOL: + :PROPERTIES: + :BEAMER_col: 0.4 + :BEAMER_env: block + :END: + - 100% Free Software + - transparency +*** In for the long haul :B_block:BMCOL: + :PROPERTIES: + :BEAMER_col: 0.4 + :BEAMER_env: block + :END: + - replication + - non profit + #+INCLUDE: "../../common/modules/status-extended.org::#archivinggoals" :minlevel 2 + #+INCLUDE: "../../common/modules/status-extended.org::#architecture" :minlevel 2 :only-contents t + #+INCLUDE: "../../common/modules/status-extended.org::#giantdag" :minlevel 2 :only-contents t + #+INCLUDE: "../../common/modules/status-extended.org::#archive" :minlevel 2 +* Accessing the archive + #+INCLUDE: "../../common/modules/status-extended.org::#apiintro" :minlevel 2 + #+INCLUDE: "../../common/modules/vault.org::#overview" :minlevel 2 + #+INCLUDE: "../../common/modules/webui.org::#intro" :minlevel 2 + +* Getting involved + # #+INCLUDE: "../../common/modules/status-extended.org::#features" :minlevel 2 +** You can help! + #+BEAMER: \vspace{-2mm} +*** Coding + | ٭٭ | Web UI improvements | + | ٭ | loaders/listers for unsupported VCS/forges | + | ٭٭٭ | developer documentation | + #+BEAMER: \vspace{-2mm} \footnotesize \centering + \url{https://docs.softwareheritage.org/devel/} + #+BEAMER: \pause +*** Community + | ٭٭٭ | spread the world, help us with sustainability | + | ٭٭ | document endangered source code | + #+BEAMER: \vspace{-2mm} \footnotesize \centering + \url{wiki.softwareheritage.org/index.php?title=Suggestion_box} + #+BEAMER: \pause +*** Join us + #+BEAMER: \footnotesize \centering + - \url{www.softwareheritage.org/jobs} --- *job openings* + - \url{wiki.softwareheritage.org/index.php?title=Internship} --- *internships* +** Conclusion +*** + - we have come a long way + - we are now at a *turning point* in the history of FOSS + - we should *preserve our technical legacy* as solid foundation for the + future + - Software Heritage, as a *reference archive of all FOSS* ever written, is + here to help +*** Come in, we're open! + #+BEAMER: \Large \center + \url{www.softwareheritage.org} \\ + \url{forge.softwareheritage.org} diff --git a/talks-public/2018-07-18-oscon/Makefile b/talks-public/2018-07-18-oscon/Makefile new file mode 100644 index 0000000..68fbee7 --- /dev/null +++ b/talks-public/2018-07-18-oscon/Makefile @@ -0,0 +1 @@ +include ../Makefile.slides