Split CLI into its own crate

- This allows using the library without depending on the getopts and
  vergen trees

Author: parasyte

Cargo.toml

@@ -9,7 +9,7 @@ repository = "https://github.com/hlorenzi/customasm"
 readme = "README.md"
 license = "Apache-2.0"
 keywords = ["asm", "assembler", "assembly", "custom"]
-categories = ["command-line-utilities", "hardware-support"]
+categories = ["hardware-support"]
 exclude = ["web/*"]
 build = "src/build.rs"
 
@@ -18,18 +18,15 @@ crate-type = ["lib", "cdylib"]
 name = "customasm"
 path = "src/lib.rs"
 
-[[bin]]
-name = "customasm"
-path = "src/main.rs"
-
 [dependencies]
-getopts = "0.2.17"
 num-bigint = { version = "0.1", default_features = false }
 num-traits = { version = "0.1", default_features = false }
 num-integer = { version = "0.1", default_features = false }
 
 [dev-dependencies]
 sha2 = "0.9.1"
 
-[build-dependencies]
-vergen = "3.1.0"
+[workspace]
+members = [
+    "customasm-cli",
+]

customasm-cli/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "customasm-cli"
+version = "0.11.10"
+edition = "2018"
+authors = ["hlorenzi <https://hlorenzi.com>"]
+description = "An assembler for custom, user-defined instruction sets!"
+homepage = "https://github.com/hlorenzi/customasm"
+repository = "https://github.com/hlorenzi/customasm"
+license = "Apache-2.0"
+keywords = ["asm", "assembler", "assembly", "custom"]
+categories = ["command-line-utilities", "hardware-support"]
+
+[dependencies]
+customasm = { path = "../" }
+getopts = "0.2.17"
+
+[build-dependencies]
+vergen = "3.1.0"

customasm-cli/build.rs

@@ -0,0 +1,16 @@
+extern crate vergen;
+
+
+use vergen::{generate_cargo_keys, ConstantsFlags};
+
+
+fn main()
+{
+    let mut flags = ConstantsFlags::empty();
+    flags.toggle(ConstantsFlags::REBUILD_ON_HEAD_CHANGE);
+    flags.toggle(ConstantsFlags::SEMVER_LIGHTWEIGHT);
+    flags.toggle(ConstantsFlags::COMMIT_DATE);
+    flags.toggle(ConstantsFlags::TARGET_TRIPLE);
+
+    generate_cargo_keys(flags).expect("Unable to generate the cargo keys!");
+}