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#+title: hcel
hcel is a fork of [[https://github.com/alexwl/haskell-code-explorer][Haskell Code Explorer]], it works with GHC-9.2.2 with
Cabal-3.6.2.0, and possibly other adjacent versions.
* Install
#+begin_src sh
cabal install
#+end_src
* Usage
You'll need to index a package before serving it.
A typical indexing workflow is as follows, take sqlite-simple as an
example:
#+begin_src sh
cabal unpack sqlite-simple
cd sqlite-simple-x.y.z.w
cabal configure --enable-testsuites --enable-benchmarks
cabal build all
haskell-code-indexer -p .
#+end_src
After indexing the ./dist-newstyle directory is no longer by hcel and
can be removed to save space. To launch the app, run
#+begin_src sh
haskell-code-server -p /path/to/package1 -p /path/to/package2 ...
#+end_src
and the app will be available at localhost:3000.
You can also hook up a local hoogle for documentation lookup:
#+begin_src sh
hoogle server
# configure a reverse proxy to hook it up with a domain say https://hoogle.localhost with self-signed cert, then run
haskell-code-server -p /path/to/package1 -p /path/to/package2 --use-hoogle-api --hoogle-api https://hoogle.localhost/ --disable-hoogle-api-cert-check
#+end_src
For the readme of the original version, see README.md.original in the
project tree, also available at
https://g.ypei.me/hcel.git/tree/README.md.original.
* Difference from the original version
The indexer of this version looks for all build targets, including
testsuites and benchmarks, in the .cabal file, therefore you'll need
to build them all before indexing, otherwise the indexer will complain
about missing files.
* Contact and Copyright
The original haskell-code-explorer is written by Alexey Kiryushin
(alexey.a.kiryushin@gmail.com), hosted at [[https://github.com/alexwl/haskell-code-explorer][github]].
This fork is maintained by Yuchen Pei (id@ypei.org).
The original work is under the [[https://www.gnu.org/licenses/license-list.html#Expat][expat license]], while the changes by
Yuchen Pei are covered by [[https://www.gnu.org/licenses/agpl-3.0.en.html][GNU AGPLv3+]]. You may find the license text
in a file named COPYING.agpl3 in the project tree. As a combination,
this work as a whole is covered by the terms of [[https://www.gnu.org/licenses/agpl-3.0.en.html][GNU AGPLv3+]] ([[https://www.gnu.org/licenses/gpl-faq.html#WhatDoesCompatMean][why?]]).
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