start rust project

rust/.direnv/flake-profile

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+flake-profile-1-link

rust/.direnv/flake-profile-1-link

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+/nix/store/v3k7n7q44754h7cd8fvr3gyjq6dwmqk8-nix-shell-env

rust/.env

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+DATABASE_URL=sqlite://db.sqlite

rust/.envrc

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+use flake
+dotenv

rust/.gitignore

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+target
+db.sqlite

rust/Cargo.toml

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+[package]
+name = "nixpkgs-update"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+diesel = { version = "2.1.0", features = ["sqlite"] }

rust/diesel.toml

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+# For documentation on how to configure this file,
+# see https://diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/schema.rs"
+custom_type_derives = ["diesel::query_builder::QueryId"]
+
+[migrations_directory]
+dir = "migrations"

rust/flake.nix

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+{
+  description = "update nixpkgs automatically";
+
+  outputs = { self, nixpkgs } @ args: let
+    pkgs = nixpkgs.legacyPackages.x86_64-linux;
+  in {
+    devShells.x86_64-linux.default = pkgs.mkShell {
+      packages = [
+        pkgs.cargo
+        pkgs.clippy
+        pkgs.sqlite
+        pkgs.diesel-cli
+      ];
+    };
+  };
+}

rust/migrations/2023-08-12-152848_create_packages/down.sql

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+DROP table packages;

rust/migrations/2023-08-12-152848_create_packages/up.sql

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+CREATE TABLE packages (
+    id text PRIMARY KEY NOT NULL
+  , attr_path text NOT NULL
+  , version_nixpkgs_master text
+  , version_nixpkgs_staging text
+  , version_nixpkgs_staging_next text
+  , version_repology text
+  , version_github text
+  , version_gitlab text
+  , version_pypi text
+  , project_repology text
+  , nixpkgs_name_replogy text
+  , owner_github text
+  , repo_github text
+  , owner_gitlab text
+  , repo_gitlab text
+  , last_checked_repology text
+  , last_checked_github text
+  , last_hecked_gitlab text
+  , last_hecked_pypi text
+  , last_checked_pending_pr text
+  , last_update_attempt text
+  , pending_pr integer
+  , pending_pr_owner text
+  , pending_pr_branch_name text
+  , last_update_log text
+)

rust/src/lib.rs

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+pub mod models;
+pub mod schema;
+
+use diesel::prelude::*;
+use std::env;
+
+pub fn establish_connection() -> SqliteConnection {
+    let database_url = env::var("DATABASE_URL").expect("DATABASE_URL must be set");
+    SqliteConnection::establish(&database_url)
+        .unwrap_or_else(|_| panic!("Error connecting to {}", database_url))
+}

rust/src/main.rs

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+use nixpkgs_update::models::*;
+use nixpkgs_update::*;
+use diesel::prelude::*;
+
+fn main() {
+    use nixpkgs_update::schema::packages::dsl::*;
+
+    let connection = &mut establish_connection();
+    let results : Vec<Package> =
+        packages.
+        load(connection)
+        .expect("Error loading packages");
+
+    println!("Displaying {} packages", results.len());
+    for package in results {
+        println!("{} {}", package.id, package.attr_path);
+    }
+}

rust/src/models.rs

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+use diesel::prelude::*;
+
+#[derive(Queryable, Selectable)]
+#[diesel(table_name = crate::schema::packages)]
+#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
+pub struct Package {
+    pub id: String,
+    pub attr_path: String,
+    pub version_nixpkgs_master: Option<String>,
+    pub version_nixpkgs_staging: Option<String>,
+    pub version_nixpkgs_staging_next: Option<String>,
+    pub version_repology: Option<String>,
+    pub version_github: Option<String>,
+    pub version_gitlab: Option<String>,
+    pub version_pypi: Option<String>,
+    pub project_repology: Option<String>,
+    pub nixpkgs_name_replogy: Option<String>,
+    pub owner_github: Option<String>,
+    pub repo_github: Option<String>,
+    pub owner_gitlab: Option<String>,
+    pub repo_gitlab: Option<String>,
+    pub last_checked_repology: Option<String>,
+    pub last_checked_github: Option<String>,
+    pub last_hecked_gitlab: Option<String>,
+    pub last_hecked_pypi: Option<String>,
+    pub last_checked_pending_pr: Option<String>,
+    pub last_update_attempt: Option<String>,
+    pub pending_pr: Option<i32>,
+    pub pending_pr_owner: Option<String>,
+    pub pending_pr_branch_name: Option<String>,
+    pub last_update_log: Option<String>,
+
+}

rust/src/schema.rs

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+// @generated automatically by Diesel CLI.
+
+diesel::table! {
+    packages (id) {
+        id -> Text,
+        attr_path -> Text,
+        version_nixpkgs_master -> Nullable<Text>,
+        version_nixpkgs_staging -> Nullable<Text>,
+        version_nixpkgs_staging_next -> Nullable<Text>,
+        version_repology -> Nullable<Text>,
+        version_github -> Nullable<Text>,
+        version_gitlab -> Nullable<Text>,
+        version_pypi -> Nullable<Text>,
+        project_repology -> Nullable<Text>,
+        nixpkgs_name_replogy -> Nullable<Text>,
+        owner_github -> Nullable<Text>,
+        repo_github -> Nullable<Text>,
+        owner_gitlab -> Nullable<Text>,
+        repo_gitlab -> Nullable<Text>,
+        last_checked_repology -> Nullable<Text>,
+        last_checked_github -> Nullable<Text>,
+        last_hecked_gitlab -> Nullable<Text>,
+        last_hecked_pypi -> Nullable<Text>,
+        last_checked_pending_pr -> Nullable<Text>,
+        last_update_attempt -> Nullable<Text>,
+        pending_pr -> Nullable<Integer>,
+        pending_pr_owner -> Nullable<Text>,
+        pending_pr_branch_name -> Nullable<Text>,
+        last_update_log -> Nullable<Text>,
+    }
+}