SIGs/Erlang

Erlang Special Interest Group

Mission

To encourage the packaging of Erlang projects in Fedora.

Coordination

• Erlang SIG Mailing list for any SIG-related discussion.
• Taiga project to track what is going on.

Members/Packagers/Reviewers

• PeterLemenkov
• ConradMeyer
• Hans Ulrich Niedermann (ndim)
• Randy Barlow
• Jeremy Cline
• Timothée Floure

Please send a mail to the erlang mailing list and add your name above if you want to help.

Tasks

• Create common guidelines for erlan== Coordination ==

The Erlang SIG is alive but not very active as its member have very little spare time: there is work going on, but it is slow.

• Erlang SIG Mailing list for any SIG-related discussion.
• [Taiga project https://teams.fedoraproject.org/project/erlang/] to track what is going on.== Coordination ==

The Erlang SIG is alive but not very active as its member have very little spare time: there is work going on, but it is slow.

• Erlang SIG Mailing list for any SIG-related discussion.
• [Taiga project https://teams.fedoraproject.org/project/erlang/] to track what is going on.g-related applications and libraries
• Ensure that all packages are built with +debug_info (slightly increase the size of beam-files, but won't hurt performance at all)
• Allow parallel installation of packages (similar to kernel)
• Provide pre-built plt images
• Narrow Build Requires - only list packages which are required for building and not the whole erlang stack.
• Remove "soft" dependencies. Some package dependencies are not strictly required - application tries to "dlopen" it (it starts to use it only in case of success; in case of failure it fallbacks to some default scenario). Notable one is a debugger which tries to download GUI interface and fallbacks to cli in case of failure.
• Fix installation of jinterface - it doesn't use %{_javadir} for storing jar-file now.
• All man-pages should be marked as docs. Consider also installing them to system-default paths (very likely will produce a conflicts and namespace clashes).
• pgsql needs patching for R11B due to missing lists:keymember/3 function. Seems to be a very simple task.

Ongoing work

• Package rebar3 ('the' erlang build tool) and deprecate rebar2, as upstream did.
  • Rebar3 is in the archive starting F30: erlang-rebar3
  • FIXME: rebar3 fetch dependencies from the network to run tests (RHBZ#672914)
  • FIXME: the erlang-rebar3 package breaks erlang-rebar when installed (RHBZ#1672916)
• Update Peter's Erlang packaging guidelines and promote them to the official guidelines.
  • Update the macros to use rebar3 inseated of rebar2
  • Make better use of the Hex erlang/elixir package repository
    • Packages can be downloaded from https://repo.hex.pm/tarballs/$PACKAGE-$PACKAGE_REVISION.tar (containing some metadata and the source code under a nested tar.gz archive) and the (generated) documentation from https://repo.hex.pam/docs/$PACKAGE-$PACKAGE_REVISION.tar.gz  ; You'll find more details on the hexpm specification.
• Create an Erlang SIG group in dist-git providing RW access to erlang packages
  • See #7456 on the infrastructure's issue tracker
• Extend this SIG to the elixir language (ask fnux for details)

Related threads:

• Some work for the Erlang SIG (December 2018)

Reviews

• exmpp - a fast and scalable library for the eXtensible Messaging and Presence Protocol.
• erlang-etorrent - Erlang BitTorrent client and library
• erlang-riak_core - Distributed systems infrastructure used by Riak
• erlang-bitcask - Eric Brewer-inspired key/value store
• erlang-riak_kv - Riak Key/Value Store
• erlang-skerl - Skein hash function for Erlang, via NIFs
• erlang-luwak - Large-object storage interface for Riak
• riak - Dynamo-inspired key/value store

Potential packages

• erlyweb
• Yxa
• erlang-mysql-driver - A native Erlang MySQL client library. One of the runtime dependencies for ejabberd. Please, not that there are two forks - one from P1 and another one from Yariv Sadan. All these three projects are based on the original work by Magnus Ahltorp. Read this post for further details.
• Jungerl is also contains some very interesting libraries and applications, however not all of them are in good shape.
• User contributions page at trapexit contains some handy user-submitted utilities.
• Nitrogen Web Framework.
• egssapi - Erlang GSSAPI and SPNEGO API (one of the runtime requirements for Yaws).
• eldap - Erlang LDAP API. A patched copy is bundled with ejabberd.

Rejected packages

• Jabberlang - a client Jabber library for Erlang. Obsoleted by exmpp
• erlmedia - Erlang library for parsing different media formats. One of the requirements for erlyvideo. Abandoned by upstream authors.
• erlang-rtmp - Erlang RTMP library. One of the requirements for erlyvideo. Abandoned by upstream authors.
• erlang-fd_server. Similar functionality (binding to privileged ports) may be obtained with kernel > 2.6.24 with capabilities.