imag-init: implement ImagApplication

Signed-off-by: Leon Schuermann <leon@is.currently.online>

bin/core/imag-init/Cargo.toml

@@ -20,6 +20,8 @@ is-it-maintained-open-issues      = { repository = "matthiasbeyer/imag" }
 maintenance                       = { status     = "actively-developed" }
 
 [dependencies]
+failure = "0.1.5"
+
 libimagerror = { version = "0.10.0", path = "../../../lib/core/libimagerror" }
 libimagrt    = { version = "0.10.0", path = "../../../lib/core/libimagrt" }
 
@@ -31,3 +33,10 @@ features = ["color", "suggestions", "wrap_help"]
 [dev-dependencies]
 toml = "0.5.1"
 
+[lib]
+name = "libimaginitcmd"
+path = "src/lib.rs"
+
+[[bin]]
+name = "imag-init"
+path = "src/bin.rs"

bin/core/imag-init/src/bin.rs

@@ -0,0 +1,46 @@
+//
+// imag - the personal information management suite for the commandline
+// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; version
+// 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//
+
+#![forbid(unsafe_code)]
+
+#![deny(
+    non_camel_case_types,
+    non_snake_case,
+    path_statements,
+    trivial_numeric_casts,
+    unstable_features,
+    unused_allocation,
+    unused_import_braces,
+    unused_imports,
+    unused_must_use,
+    unused_mut,
+    unused_qualifications,
+    while_true,
+)]
+
+extern crate failure;
+use failure::Fallible as Result;
+
+extern crate libimaginitcmd;
+
+
+fn main() -> Result<()> {
+    libimaginitcmd::imag_init();
+    Ok(())
+}

bin/core/imag-init/src/lib.rs

@@ -35,7 +35,7 @@
 )]
 
 extern crate clap;
-
+extern crate failure;
 #[cfg(test)]
 extern crate toml;
 
@@ -53,6 +53,10 @@ use std::process::Command;
 use libimagerror::exit::ExitUnwrap;
 use libimagerror::io::ToExitCode;
 use libimagrt::runtime::Runtime;
+use libimagrt::application::ImagApplication;
+
+use failure::Fallible as Result;
+use clap::App;
 
 const CONFIGURATION_STR : &str = include_str!("../imagrc.toml");
 
@@ -69,7 +73,34 @@ const GITIGNORE_STR : &str = r#"
 imagrc.toml
 "#;
 
-fn main() {
+/// Marker enum for implementing ImagApplication on
+///
+/// This is used by binaries crates to execute business logic
+/// or to build a CLI completion.
+pub enum ImagInit {}
+impl ImagApplication for ImagInit {
+    fn run(_rt: Runtime) -> Result<()> {
+        panic!("imag-init needs to be run as a seperate binary, or we'll need to figure something out here!");
+    }
+
+    fn build_cli<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
+        ui::build_ui(app)
+    }
+
+    fn name() -> &'static str {
+        env!("CARGO_PKG_NAME")
+    }
+
+    fn description() -> &'static str {
+        "Intialize the imag store"
+    }
+
+    fn version() -> &'static str {
+        env!("CARGO_PKG_VERSION")
+    }
+}
+
+pub fn imag_init() {
     let version = make_imag_version!();
     let app     = ui::build_ui(Runtime::get_default_cli_builder(
         "imag-init",