rename all crates

crates/pacdef_main/Cargo.toml

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+[package]
+name = "pacdef_main"
+version = "1.0.0-beta2"
+edition = "2021"
+description = "main program for pacdef"
+license = "GPLv3"
+repository = "https://github.com/steven-omaha/pacdef"
+readme = "README.md"
+keywords = ["package-manager", "linux", "declarative", "cli"]
+categories = ["command-line-utilities"]
+
+[[bin]]
+name = "pacdef"
+path = "main.rs"
+
+[dependencies]
+anyhow = "1.0"
+pacdef_core = { path = "../pacdef_core", version = "1.0.0-beta2" }

crates/pacdef_main/README.md

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+# pacdef_main
+
+main program for pacdef

crates/pacdef_main/main.rs

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+use std::process::{ExitCode, Termination};
+
+use anyhow::{Context, Result};
+
+use pacdef_core as core;
+use pacdef_core::{args, Config, Group, Pacdef};
+
+fn main() -> ExitCode {
+    handle_final_result(main_inner())
+}
+
+/// Skip printing the error chain when searching packages yields no results, otherwise report error
+/// chain.
+fn handle_final_result(result: Result<()>) -> ExitCode {
+    match result {
+        Ok(_) => ExitCode::SUCCESS,
+        Err(ref e) => {
+            let msg = e.root_cause().to_string();
+
+            if msg == core::NO_PACKAGES_FOUND {
+                ExitCode::FAILURE
+            } else {
+                result.report()
+            }
+        }
+    }
+}
+
+fn main_inner() -> Result<()> {
+    let args = args::get();
+    let config = Config::load().context("loading config file")?;
+    let groups = Group::load(&config).context("loading groups").unwrap();
+    let pacdef = Pacdef::new(args, config, groups);
+    pacdef.run_action_from_arg().context("running action")
+}