136 lines
4.7 KiB
Markdown
136 lines
4.7 KiB
Markdown
Vervis is still in early development. These instructions may be incomplete
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and/or slightly outdated. At the time of writing, you can get a running Vervis
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instance if you follow the steps below.
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Check the version of OpenSSL installed on your system. For example:
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$ apt show openssl
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Currently Vervis is using a slightly old software configuration, and until I
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fix that, it doesn't build with OpenSSL 1.1 and needs the older 1.0 or 1.0.1
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version. If your distro has 1.1, see if you can grab 1.0 or 1.0.1 in some way,
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either through the distro package or by downloading OpenSSL manually from its
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website, or some alternative package manager such as GNU Guix.
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Install dependency library development packages. It's very likely you already
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have them all installed, and if you're missing some, the build process will
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inform you. But it's still nice to have a list here. The list below isn't a
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complete list, it's just libraries that people have found missing while
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building, and let me know.
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- PostgreSQL client library
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- ZLib
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On Debian based distros, installation can be done like this:
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$ sudo apt install libpq-dev zlib1g-dev
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Install stack. To install stack, go to its [website](https://haskellstack.org)
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and follow the instructions. If you have some old version, such as one
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installed from FPComplete's old debian repo, you may need to upgrade it.
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Install Darcs. You can grab it from your distro, e.g.:
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$ sudo apt install darcs
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If you're going to create a Git repository on Vervis, you'll need Git too, you
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can install it from a distro package too, e.g.:
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$ sudo apt install git
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Clone the Vervis repo:
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$ darcs clone https://dev.seek-together.space/s/fr33domlover/r/vervis
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$ cd vervis
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Install GHC. Unless you prefer to use a distro package or PPA or some other
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source, the easiest way is to install via stack:
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$ stack setup
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Some of the dependency libraries need to be manually downloaded. Either because
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I've written them and haven't released yet, or because they have unreleased
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changes, or because I'm using a patched version of some library and the patch
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hasn't found its way upstream.
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In the `stack.yaml` file, under the `packages` field, there is a list of such
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libraries. While `stack` supports fetching dependencies from Git repositories,
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it doesn't support Darcs (if that changes and I haven't noticed, let me know!),
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so we need to download them by ourselves. A line in the `packages` list that
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looks like this needs manual download:
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` - '../some-library-name'`
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These details change often because of all the unreleased libraries and patches,
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so until there are sane releases for everything, the instructions here aren't
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always up to date. Basically it works like this:
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- Those extra repos should be found at the
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[Vervis project page](https://dev.seek-together.space/s/fr33domlover/p/vervis)
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- If something is missing there, try my
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[Darcs Hub page](https://hub.darcs.net/fr33domlover)
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- Use `darcs clone` to grab the library source code
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As of May 14, 2018, what you need to do is as follows:
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$ VERVIS='https://dev.seek-together.space/s/fr33domlover/r'
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$ HUB='https://hub.darcs.net/fr33domlover'
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$ darcs clone $HUB/hit-graph
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$ darcs clone $HUB/hit-harder
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$ darcs clone $HUB/hit-network
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$ darcs clone $VERVIS/darcs-rev
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$ darcs clone $VERVIS/ssh
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$ darcs clone $VERVIS/persistent-migration
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$ darcs clone $VERVIS/persistent-email-addres
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$ darcs clone $VERVIS/yesod-mail-send --to-hash 2800294a41daf57cd420710bc79c8c9b06c0d3dd
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Update `stack.yaml` to specify the paths in the `packages` section if needed:
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$ vim stack.yml
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Generate a new SSH key with a blank password:
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$ ssh-keygen -t rsa -f config/ssh-host-key
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Install PostgreSQL. You'll need the server and the client library development
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files.
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$ sudo apt-get install postgresql libpq-dev
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Switch to `postgres` system user:
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$ sudo su - postgres
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Create a PostgreSQL user.
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With password:
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$ createuser --no-createdb --no-createrole --no-superuser --encrypted --pwprompt vervis
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No password (if you run Vervis as a user by the same name as the DB user):
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$ createuser --no-createdb --no-createrole --no-superuser vervis
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Create a PostgreSQL database:
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$ createdb --encoding=UTF8 --owner=vervis vervis
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Update the settings to specify correct database connection details and other
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settings.
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$ cp config/settings-default.yaml config/settings.yml
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$ vim config/settings.yml
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Build.
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$ stack build
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Run.
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$ stack exec vervis
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Browse to `http://localhost:3000` and have fun!
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`yesod devel` is another way to run the application, useful for rapid
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development, but I haven't been using it and I'm not sure it works, possibly I
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broke something along the way. But feel free to try!
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