Code cleanup

Cargo.toml

@@ -4,33 +4,35 @@ version = "3.1.23"
 authors = ["Vanessa McHale <vamchale@gmail.com>"]
 description = "Quickly initialize projects from a template."
 license-file = "LICENSE"
-exclude = [ "./.gitignore" ]
+exclude = ["./.gitignore"]
 readme = "README.md"
 repository = "https://github.com/vmchale/project-init"
 documentation = "https://github.com/vmchale/project-init#README"
 homepage = "https://github.com/vmchale/project-init"
 build = "build.rs"
+edition = "2021"
 
 [build-dependencies]
-cli-setup = "0.2"
+cli-setup = "0.2.7"
 
 [profile.release]
 lto = true
 
 [dependencies]
-heck = "0.3"
-case = "1.0"
-toml = "0.5"
-colored = "2.0"
-clap = {version = "2.29", features = ["yaml"]}
-time = "0.1"
-rustache-lists = "0.1.0"
-serde_derive = "1.0"
-serde = "1.0"
-text_io = "<= 0.1.6"
-git2 = "0.13"
-tempdir = "0.3"
-dirs = "3.0"
+cargo_toml = "0.11.3"
+case = "1.0.0"
+chrono = "0.4.19"
+clap = { version = "3.0.13", features = ["derive"] }
+colored = "2.0.0"
+dirs = "4.0.0"
+git2 = "0.13.25"
+heck = "0.4.0"
+rustache-lists = "0.1.2"
+serde = "1.0.136"
+serde_derive = "1.0.136"
+tempdir = "0.3.7"
+text_io = "0.1.9"
+toml = "0.5.8"
 
 [[bin]]
 name = "pi"

src/args.rs

@@ -0,0 +1,59 @@
+use clap::{Parser, Subcommand};
+
+#[derive(Subcommand, Debug)]
+pub enum Subcommands {
+    /// Fetch a template from github.
+    #[clap(alias = "g")]
+    Git {
+        /// User and repository name where the template is located
+        #[clap(value_name = "USER/REPO")]
+        repo: String,
+        /// Project name to be used for project directory.
+        #[clap(value_name = "NAME")]
+        name: String,
+        /// Initialize project even if directory already exists.
+        #[clap(long, short)]
+        force: bool,
+    },
+    /// List available templates. User templates can be added by placing them in ~/.pi_templates
+    #[clap(alias = "l")]
+    List,
+    /// Update pi (only works on UNIX).
+    #[clap(alias = "u")]
+    Update {
+        /// Force installation even when binary already exists.
+        #[clap(long, short)]
+        force: bool,
+    },
+    /// Use a template from a folder.
+    #[clap(alias = "i")]
+    Init {
+        /// Directory containing your template, either in the current directory or in $HOME/.pi_templates/
+        #[clap(value_name = "TEMPLATE_DIR")]
+        directory: String,
+        /// Project name to be used for project directory.
+        #[clap(value_name = "NAME")]
+        name: String,
+        /// Initialize project even if directory already exists.
+        #[clap(long, short)]
+        force: bool,
+    },
+    /// Use a built-in template.
+    #[clap(alias = "n")]
+    New {
+        /// Template to used. Currently supported are Rust, Haskell, Idris, Elm, Python, Vimscript, Miso, and Julia.
+        template: String,
+        /// Project name to be used for project directory.
+        #[clap(value_name = "NAME")]
+        name: String,
+        /// Initialize project even if directory already exists.
+        #[clap(long, short)]
+        force: bool,
+    },
+}
+#[derive(Parser, Debug)]
+#[clap(author, version, about, long_about = None, term_width = 80, after_help = "See 'man pi' for more information")]
+pub struct Args {
+    #[clap(subcommand)]
+    pub subcommand: Subcommands,
+}