First version of cargo-deb packaging setup

debian/config

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+#!/bin/sh
+set -e
+
+# Source debconf library.
+. /usr/share/debconf/confmodule
+
+CONDUIT_CONFIG_PATH=/etc/matrix-conduit
+CONDUIT_CONFIG_FILE="$CONDUIT_CONFIG_PATH/env"
+
+# Ask for the Matrix homeserver name and port.
+db_input high matrix-conduit/hostname || true
+db_go
+
+db_input medium matrix-conduit/port || true
+db_go
+
+# Update the values in the config.
+db_get matrix-conduit/hostname
+sed -i -e "s/^ROCKET_SERVER_NAME=.*/ROCKET_SERVER_NAME=\"$RET\"/" $CONDUIT_CONFIG_FILE
+db_get matrix-conduit/port
+sed -i -e "s/^ROCKET_PORT=.*/ROCKET_PORT=\"$RET\"/" $CONDUIT_CONFIG_FILE
+
+exit 0

debian/env

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+# Conduit homeserver configuration
+#
+# Conduit is an application based on the Rocket web framework.
+# Configuration of Conduit can happen either via a `Rocket.toml` file that
+# is placed in /var/lib/matrix-conduit or via setting the environment
+# variables below.
+
+# The server (host)name of the Matrix homeserver.
+#
+# This is the hostname the homeserver will be reachable at via a client.
+ROCKET_SERVER_NAME="YOURSERVERNAME.HERE"
+
+# The address the Matrix homeserver listens on.
+#
+# By default the server listens on 0.0.0.0. Change this for example to
+# 127.0.0.1 to only listen on the localhost when using a reverse proxy.
+#ROCKET_ADDRESS="0.0.0.0"
+
+# The port of the Matrix homeserver.
+#
+# This port is often accessed by a reverse proxy.
+ROCKET_PORT="14004"
+
+# The maximum size of a Matrix HTTP requests in bytes.
+#
+# This mostly affects the size of files that can be downloaded/uploaded.
+ROCKET_MAX_REQUEST_SIZE=20000000
+
+# Whether user registration is allowed.
+#
+# User registration is allowed by default.
+#ROCKET_REGISTRATION_DISABLED=true
+
+# Whether encryption is enabled.
+#
+# (End-to-end) encryption is enabled by default.
+#ROCKET_ENCRYPTION_DISABLED=true
+
+# Whether federation with other Matrix servers is enabled.
+#
+# Federation is disabled by default; it is still experimental.
+#ROCKET_FEDERATION_ENABLED=true
+
+# The log level of the homeserver.
+#
+# The log level is "critical" by default.
+# Allowed values are: "off", "normal", "debug", "critical"
+#ROCKET_LOG="normal"

debian/matrix-conduit.service

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+[Unit]
+Description=Conduit Matrix homeserver
+After=network.target
+
+[Service]
+User=_matrix-conduit
+Group=_matrix-conduit
+Type=simple
+
+Environment="ROCKET_ENV=production"
+Environment="ROCKET_DATABASE_PATH=/var/lib/matrix-conduit"
+EnvironmentFile=/etc/matrix-conduit/env
+
+ExecStart=/usr/sbin/matrix-conduit
+Restart=on-failure
+RestartSec=10
+StartLimitInterval=1m
+StartLimitBurst=5
+
+[Install]
+WantedBy=multi-user.target

debian/postinst

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+#!/bin/sh
+set -e
+
+CONDUIT_DATABASE_PATH=/var/lib/matrix-conduit
+
+case "$1" in
+  configure)
+    # Create the `_matrix-conduit` user if it does not exist yet.
+    if ! getent passwd _matrix-conduit > /dev/null ; then
+      echo 'Adding system user for the Conduit Matrix homeserver' 1>&2
+      adduser --system --group --quiet \
+        --home $CONDUIT_DATABASE_PATH \
+        --disabled-login \
+        --force-badname \
+        _matrix-conduit
+    fi
+
+    # Create the database path if it does not exist yet.
+    if [ ! -d "$CONDUIT_DATABASE_PATH" ]; then
+      mkdir -p "$CONDUIT_DATABASE_PATH"
+      chown _matrix-conduit "$CONDUIT_DATABASE_PATH"
+    fi
+    ;;
+esac
+
+#DEBHELPER#

debian/postrm

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+#!/bin/sh
+set -e
+
+CONDUIT_CONFIG_PATH=/etc/matrix-conduit
+CONDUIT_DATABASE_PATH=/var/lib/matrix-conduit
+
+case $1 in
+  purge)
+    # Per https://www.debian.org/doc/debian-policy/ch-files.html#behavior
+    # "configuration files must be preserved when the package is removed, and
+    #  only deleted when the package is purged."
+    if [ -d "$CONDUIT_CONFIG_PATH" ]; then
+      rm -r "$CONDUIT_CONFIG_PATH"
+    fi
+
+    if [ -d "$CONDUIT_DATABASE_PATH" ]; then
+      rm -r "$CONDUIT_DATABASE_PATH"
+    fi
+    ;;
+esac
+
+#DEBHELPER#

debian/templates

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+Template: matrix-conduit/hostname
+Type: string
+Default: localhost
+Description: The server (host)name of the Matrix homeserver.
+ This is the hostname the homeserver will be reachable at via a client.
+ .
+ If set to "localhost", you can connect with a client locally and clients
+ from other hosts and also other servers will not be able to reach you!
+
+Template: matrix-conduit/port
+Type: string
+Default: 14004
+Description: The port of the Matrix homeserver
+ This port is often accessed by a reverse proxy.