add config for cargo-deb

Cargo.toml

@@ -2,6 +2,8 @@
 name = "subscribe-list"
 version = "0.1.0"
 edition = "2021"
+authors = ["Jacob Lifshay <programmerjake@gmail.com>"]
+description = "web server for managing subscriptions"
 license = "GPL-3.0-or-later"
 publish = false
 
@@ -30,3 +32,16 @@ serde_with = { version = "3.7.0", features = ["base64"] }
 tinytemplate = "1.2.1"
 tokio = { version = "1.37.0", features = ["macros", "rt-multi-thread"] }
 toml = { version = "0.8.12", features = ["preserve_order"] }
+
+[package.metadata.deb]
+depends = ["$auto", "adduser (>= 3.11)"]
+assets = [
+    ["target/release/subscribe-list", "usr/bin/", "755"],
+    ["config.toml.sample", "usr/share/subscribe-list/config.toml.sample", "644"],
+]
+maintainer-scripts = "debian"
+
+[package.metadata.deb.systemd-units]
+unit-name = "subscribe-list"
+unit-scripts = "."
+enable = false

config.toml.sample

@@ -1,4 +1,4 @@
-sqlite_db = "/var/local/lib/subscribe-list.db"
+sqlite_db = "/var/lib/subscribe-list/list.db"
 server_base_url = "https://my-site/"
 
 [oidc.google]

debian/postinst

@@ -0,0 +1,42 @@
+#!/bin/sh
+set -e
+
+case "$1" in
+    configure)
+        if ! getent group | grep -q "^www-data:"; then
+            echo -n "Adding group www-data.."
+            addgroup --quiet --system www-data 2>/dev/null || true
+            echo ".done"
+        fi
+        test -d /var/www || mkdir /var/www
+        if ! getent passwd | grep -q "^www-data:"; then
+            echo -n "Adding system user www-data.."
+            adduser --quiet --system --ingroup www-data --no-create-home --disabled-password www-data 2>/dev/null || true
+            echo ".done"
+        fi
+        usermod -c www-data -d /var/www -g www-data www-data
+        if ! test -d /var/lib/subscribe-list/; then
+            mkdir -m 750 /var/lib/subscribe-list/
+            touch /var/lib/subscribe-list/list.db
+            chmod 640 /var/lib/subscribe-list/list.db
+            chown -R www-data:www-data /var/lib/subscribe-list/
+        fi
+        if ! test -d /etc/subscribe-list/; then
+            mkdir -m 750 /etc/subscribe-list/
+            install -m 640 /usr/share/subscribe-list/config.toml.sample /etc/subscribe-list/config.toml
+            chown -R root:www-data /etc/subscribe-list/
+        fi
+        ;;
+
+    abort-upgrade|abort-remove|abort-deconfigure)
+        ;;
+
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 1
+        ;;
+esac
+
+#DEBHELPER#
+
+exit 0

subscribe-list.service

@@ -5,8 +5,8 @@ Requires=subscribe-list.socket
 [Service]
 Environment=RUST_LOG=info
 Type=exec
-ExecStart=!sh -c 'mkdir -p /var/local/lib; umask 007; touch /var/local/lib/subscribe-list.db; chown www-data:www-data /var/local/lib/subscribe-list.db'
-ExecStart=/usr/local/bin/subscribe-list --config /etc/subscribe-list/config.toml serve --listen-fd
+ExecStart=test -f /var/lib/subscribe-list/list.db
+ExecStart=/usr/bin/subscribe-list --config /etc/subscribe-list/config.toml serve --listen-fd
 User=www-data
 Group=www-data