A quick cargo and git to add license headers.

This was a quickly written tool to add the SPDX license header to
all the *.rs files. It just checks if the license is at the top.
If it isn't it stamps the file. If it is it ignores it.

Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "magistamp"
+version = "0.1.0"

Cargo.toml

@@ -1,13 +1,22 @@
 [package]
 name = "magistamp"
-version = "0.0.0"
+version = "0.1.0"
 edition = "2021"
-description = "🪄 Magistamp: A Rust tool to magically seal your source files with SPDX license headers."
+description = "A Rust tool to magically seal your source files with SPDX license headers."
 repository = "/CyberMages/magistamp"
 authors = ["CyberMages LLC <Software@CyberMagesLLC.com>", "Jason Travis Smith <Myrddin@CyberMages.tech>"]
 readme = "README.md"
-license-file = "LICENSE.md"
+license = "Apache-2.0"
 
 
 
+[[bin]]
+name = "magistamp"
+path = "src/magistamp.rs"
+
+[[bin]]
+name = "cargo-magistamp"
+path = "src/cargo_magistamp.rs"
+
+
 [dependencies]

LICENSE.md

@@ -1,69 +1,174 @@
-Copyright (c) <2025> CyberMages LLC
+# Apache License
+Version 2.0, January 2004
+<http://www.apache.org/licenses/>
 
-Redistribution and use in source and binary forms, with or
+## TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-without modification, are permitted provided that the
-following conditions are met:
 
-1. Redistributions of source code must retain the above
+### 1. Definitions.
-   copyright notice, this list of conditions and the
-   following disclaimer.
 
-2. Redistributions in binary form must reproduce the above
+**"License"** shall mean the terms and conditions for use, reproduction,
-   copyright notice, this list of conditions and the
+and distribution as defined by Sections 1 through 9 of this document.
-   following disclaimer in the documentation and/or other
-   materials provided with the distribution.
 
-Subject to the terms and conditions of this license, each
+**"Licensor"** shall mean the copyright owner or entity authorized by
-copyright holder and contributor hereby grants to those
+the copyright owner that is granting the License.
-receiving rights under this license a perpetual,
-worldwide, non-exclusive, no-charge, royalty-free,
-irrevocable (except for failure to satisfy the conditions
-of this license) patent license to make, have made, use,
-offer to sell, sell, import, and otherwise transfer this
-software, where such license applies only to those patent
-claims, already acquired or hereafter acquired, licensable
-by such copyright holder or contributor that are
-necessarily infringed by:
 
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+### 7. Disclaimer of Warranty.
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+### 8. Limitation of Liability.
+
+In no event and under no legal theory, whether in tort (including
+negligence), contract, or otherwise, unless required by applicable law
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+shall any Contributor be liable to You for damages, including any direct,
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+### 9. Accepting Warranty or Additional Liability.
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+liability.

README.md

@@ -1,3 +1,20 @@
-# magistamp
+# Magistamp
 
-🪄 Magistamp: A Rust tool to magically seal your source files with SPDX license headers.
+A Rust tool to magically seal your source files with SPDX license headers.
+
+
+
+---
+
+## Copyright & License
+
+Copyright 2015 CyberMages LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this library except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS

src/cargo_magistamp.rs

@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: Apache-2.0
+// Sealed with Magistamp.
+
+//! A Rust tool to magically seal your source files with SPDX license headers.
+
+mod project;
+mod stamper;
+
+
+
+use std::path::PathBuf;
+use std::process::Command;
+use std::io;
+
+use crate::stamper::*;
+
+
+
+/// Print the version of the project.
+#[allow(dead_code)]
+fn print_version()
+{
+   println!("{} v{}", project::get_name(), project::get_version());
+}
+
+
+fn get_workspace_root() -> io::Result<PathBuf> {
+    let output = Command::new("cargo")
+        .args(&["metadata", "--no-deps", "--format-version", "1"])
+        .output()?;
+
+    if !output.status.success() {
+        return Err(io::Error::new(io::ErrorKind::Other, "cargo metadata failed"));
+    }
+
+    let metadata_json = String::from_utf8(output.stdout)
+        .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
+
+    let workspace_root = parse_workspace_root(&metadata_json)?;
+    Ok(workspace_root)
+}
+
+fn parse_workspace_root(json: &str) -> io::Result<PathBuf> {
+
+   match json.find("\"workspace_root\"")
+   {
+      None => {}
+
+      Some(index) =>
+      {
+         let sub = &json[index+17..];
+         let mut start = 0;
+         let mut one_more = false;
+
+         for (i, c) in sub.chars().enumerate()
+         {
+            if c == '"'
+            {
+               if !one_more
+               {
+                  start = i+1;
+                  one_more = true;
+               }
+               else
+               {
+                  return Ok(PathBuf::from(sub[start..i].to_owned()));
+               }
+            }
+         }
+      }
+   }
+
+   Err(io::Error::new(io::ErrorKind::Other, "workspace_root not found"))
+}
+
+
+fn main() -> io::Result<()>
+{
+   let path = get_workspace_root()?;
+
+   println!("workspace root: {}", path.display());
+   Stamper::visit_dirs(&path)?;
+
+   Ok(())
+}

src/magistamp.rs

@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: Apache-2.0
+// Sealed with Magistamp.
+
+//! A Rust tool to magically seal your source files with SPDX license headers.
+
+mod project;
+mod stamper;
+
+
+
+use std::path::Path;
+use std::{env, io};
+
+use crate::stamper::*;
+
+
+
+/// Print the version of the project.
+#[allow(dead_code)]
+fn print_version()
+{
+   println!("{} v{}", project::get_name(), project::get_version());
+}
+
+
+
+fn main() -> io::Result<()>
+{
+   let dir = env::args().nth(1).unwrap_or_else(|| ".".to_string());
+   let path = Path::new(&dir);
+
+   Stamper::visit_dirs(path)?;
+
+   Ok(())
+}

src/main.rs

@@ -1,20 +0,0 @@
-//! 🪄 Magistamp: A Rust tool to magically seal your source files with SPDX license headers.
-
-
-
-mod project;
-
-
-
-/// Print the version of the project.
-fn print_version()
-{
-   println!("{} v{}", project::get_name(), project::get_version());
-}
-
-
-/// The usual starting point of your project.
-fn main()
-{
-   print_version();
-}

src/project.rs

@@ -1,14 +1,20 @@
+// SPDX-License-Identifier: Apache-2.0
+// Sealed with Magistamp.
+
 //! This is where the Projects build information can be retreived from.
 
 
 
 /// The environment variable defined by Cargo for the name.
+#[allow(dead_code)]
 const NAME: Option<&str> = option_env!("CARGO_PKG_NAME");
 
 /// The environment variable defined by Cargo for the version.
+#[allow(dead_code)]
 const VERSION: Option<&str> = option_env!("CARGO_PKG_VERSION");
 
 /// The string to display if a value is not defined during compile time.
+#[allow(dead_code)]
 const NOT_DEFINED: &'static str = "UNDEFINED";
 
 
@@ -17,6 +23,7 @@ const NOT_DEFINED: &'static str = "UNDEFINED";
 /// set at compile time and comes from the Cargo.toml file.
 ///
 /// If a value is not found, then it will return the not defined value.
+#[allow(dead_code)]
 pub fn get_name() -> &'static str
 {
    NAME.unwrap_or(NOT_DEFINED)
@@ -27,6 +34,7 @@ pub fn get_name() -> &'static str
 /// set at compile time and comes from the Cargo.toml file.
 ///
 /// If a value is not found, then it will return the not defined value.
+#[allow(dead_code)]
 pub fn get_version() -> &'static str
 {
    VERSION.unwrap_or(NOT_DEFINED)

src/stamper.rs

@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: Apache-2.0
+// Sealed with Magistamp.
+
+use std::fs::{read_to_string, write};
+use std::path::Path;
+use std::{fs, io};
+
+
+
+const SPDX_HEADER: &str = "\
+// SPDX-License-Identifier: Apache-2.0
+// Sealed with Magistamp.
+
+";
+
+
+
+pub enum Stamper {}
+
+
+
+impl Stamper
+{
+   pub fn visit_dirs(dir: &Path) -> io::Result<()>
+   {
+      if dir.is_dir()
+      {
+         for entry in fs::read_dir(dir)?
+         {
+            let entry = entry?;
+            let path = entry.path();
+            if path.is_dir()
+            {
+               Stamper::visit_dirs(&path)?;
+            }
+            else if path.extension().and_then(|s| s.to_str()) == Some("rs")
+            {
+               Stamper::process_file(&path);
+            }
+         }
+      }
+
+      Ok(())
+   }
+
+   fn process_file(path: &Path)
+   {
+      if let Ok(content) = read_to_string(path)
+      {
+         if content.starts_with("// SPDX-License-Identifier:")
+         {
+            return; // Already has a header
+         }
+
+         println!("🪄 Magistamp: sealing {} with SPDX protection...",
+                  path.display());
+
+         let new_content = format!("{SPDX_HEADER}{content}");
+         if let Err(e) = write(path, new_content)
+         {
+            eprintln!("Failed to write to {}: {}", path.display(), e);
+         }
+      }
+   }
+}