From 57a9f56084de9183b2ab0880de5b8da2932d1a13 Mon Sep 17 00:00:00 2001
From: Sameer Rahmani <lxsameer@gnu.org>
Date: Thu, 10 Nov 2022 11:37:00 +0000
Subject: [PATCH] Setup a basic clap cli

---
 Cargo.lock   | 36 ++++++------------------------------
 Cargo.toml   |  4 ++--
 src/main.rs  | 48 ++++++++++++++++++++++++++++++++++++++++++++++--
 src/state.rs | 13 +++++++++++++
 4 files changed, 67 insertions(+), 34 deletions(-)
 create mode 100644 src/state.rs

diff --git a/Cargo.lock b/Cargo.lock
index 6482c4d..9a10d8e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -51,26 +51,24 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "3.2.23"
+version = "4.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71655c45cb9845d3270c9d6df84ebe72b4dad3c2ba3f7023ad47c144e4e473a5"
+checksum = "335867764ed2de42325fafe6d18b8af74ba97ee0c590fa016f157535b42ab04b"
 dependencies = [
  "atty",
  "bitflags",
  "clap_derive",
  "clap_lex",
- "indexmap",
  "once_cell",
  "strsim",
  "termcolor",
- "textwrap",
 ]
 
 [[package]]
 name = "clap_derive"
-version = "3.2.18"
+version = "4.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea0c8bce528c4be4da13ea6fead8965e95b6073585a2f05204bd8f4119f82a65"
+checksum = "16a1b0f6422af32d5da0c58e2703320f379216ee70198241c84173a8c5ac28f3"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -81,9 +79,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.2.4"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
+checksum = "0d4198f73e42b4936b35b5bb248d81d2b595ecb170da0bac7655c54eedfa8da8"
 dependencies = [
  "os_str_bytes",
 ]
@@ -161,12 +159,6 @@ dependencies = [
  "url",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
-
 [[package]]
 name = "heck"
 version = "0.4.0"
@@ -192,16 +184,6 @@ dependencies = [
  "unicode-normalization",
 ]
 
-[[package]]
-name = "indexmap"
-version = "1.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
-dependencies = [
- "autocfg",
- "hashbrown",
-]
-
 [[package]]
 name = "jobserver"
 version = "0.1.25"
@@ -489,12 +471,6 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
-
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
diff --git a/Cargo.toml b/Cargo.toml
index 9db1990..f181fa0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,8 +7,8 @@ edition = "2021"
 
 [dependencies]
 ansi_term = "0.12.1"
-clap = { version = "3.2.23", features = ["derive"] }
+clap = { version = "4.0.18", features = ["derive"] }
 git2 = "0.15"
 rayon = "1.5"
 spinners = "4.1.0"
-log = "0.4"
\ No newline at end of file
+log = "0.4"
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..7ed5736 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,47 @@
-fn main() {
-    println!("Hello, world!");
+use clap::{Parser, Subcommand};
+use std::path::PathBuf;
+
+pub mod state;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+struct Cli {
+    /// Sets a custom config file
+    #[arg(short, long, value_name = "FILE")]
+    config: Option<PathBuf>,
+
+    /// Turn debugging information on
+    #[arg(short, long, action = clap::ArgAction::Count)]
+    debug: u8,
+
+    #[command(subcommand)]
+    command: Option<Commands>,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+    /// does testing things
+    Test {
+        /// lists test values
+        #[arg(short, long)]
+        list: bool,
+    },
+}
+
+fn main() {
+    let cli = Cli::parse();
+    // You can check for the existence of subcommands, and if found use their
+    // matches just as you would the top level cmd
+    match &cli.command {
+        Some(Commands::Test { list }) => {
+            if *list {
+                println!("Printing testing lists...");
+            } else {
+                println!("Not printing testing lists...");
+            }
+        }
+        None => {
+            println!("Hello, world!!!!");
+        }
+    }
 }
diff --git a/src/state.rs b/src/state.rs
new file mode 100644
index 0000000..6739c56
--- /dev/null
+++ b/src/state.rs
@@ -0,0 +1,13 @@
+use std::cell::Ref;
+
+use git2::Repository;
+
+pub struct State<'a> {
+    repo: &'a Repository,
+}
+
+impl State<'a> {
+    pub fn new(repo: &Repository) -> Self {
+        Self { repo }
+    }
+}