🩹 Remove oauth-tty cgi runtime dependency

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: pboling

CHANGELOG.md

@@ -26,6 +26,10 @@ Please file a bug if you notice a violation of semantic versioning.
 
 ### Removed
 
+- Removed the external `cgi` runtime dependency so Ruby 2.4 uses its bundled
+  CGI library instead of installable `cgi` gem releases that call
+  `String#delete_prefix`.
+
 ### Fixed
 
 - Restored the Ruby 3.4 appraisal's explicit `oauth` dependency so the CI

Gemfile.lock

@@ -3,7 +3,6 @@ PATH
   specs:
     oauth-tty (1.0.9)
       auth-sanitizer (~> 0.2, >= 0.2.1)
-      cgi
       version_gem (~> 1.1, >= 1.1.12)
 
 GEM

README.md

@@ -118,6 +118,11 @@ If bundler is not being used to manage dependencies, install the gem by executin
 gem install oauth-tty
 ```
 
+`oauth-tty` uses Ruby's `CGI` library for query parameter encoding and parsing.
+Supported Ruby versions that ship `CGI` do not need an additional dependency.
+Applications running on Ruby versions or distributions that do not provide
+`CGI` should add the `cgi` gem directly.
+
 ## ⚙️ Configuration
 
 The oauth-tty gem is a thin CLI over the oauth gem. You supply your consumer credentials, token credentials (when applicable), a target URI, and optional parameters, and the tool signs requests or helps you complete an OAuth 1.0/1.0a 3-legged flow.

docs/file.CHANGELOG.html

@@ -80,6 +80,12 @@ <h3 id="deprecated">Deprecated</h3>
 
 <h3 id="removed">Removed</h3>
 
+<ul>
+  <li>Removed the external <code>cgi</code> runtime dependency so Ruby 2.4 uses its bundled<br>
+CGI library instead of installable <code>cgi</code> gem releases that call<br>
+<code>String#delete_prefix</code>.</li>
+</ul>
+
 <h3 id="fixed">Fixed</h3>
 
 <ul>
@@ -325,7 +331,7 @@ <h3 id="added-5">Added</h3>
 </div></div>
 
       <div id="footer">
-  Generated on Mon Jun 15 03:53:37 2026 by
+  Generated on Mon Jun 15 04:50:57 2026 by
   <a href="https://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
   0.9.44 (ruby-4.0.5).
 </div>

docs/file.README.html

@@ -313,6 +313,11 @@ <h2 id="-installation">✨ Installation</h2>
 <pre class="code language-console"><code class="language-console">gem install oauth-tty
 </code></pre>
 
+<p><code>oauth-tty</code> uses Ruby’s <code>CGI</code> library for query parameter encoding and parsing.<br>
+Supported Ruby versions that ship <code>CGI</code> do not need an additional dependency.<br>
+Applications running on Ruby versions or distributions that do not provide<br>
+<code>CGI</code> should add the <code>cgi</code> gem directly.</p>
+
 <h2 id="️-configuration">⚙️ Configuration</h2>
 
 <p>The oauth-tty gem is a thin CLI over the oauth gem. You supply your consumer credentials, token credentials (when applicable), a target URI, and optional parameters, and the tool signs requests or helps you complete an OAuth 1.0/1.0a 3-legged flow.</p>
@@ -692,7 +697,7 @@ <h3 id="please-give-the-project-a-star--">Please give the project a star ⭐ ♥
 </div></div>
 
       <div id="footer">
-  Generated on Mon Jun 15 02:03:47 2026 by
+  Generated on Mon Jun 15 04:50:57 2026 by
   <a href="https://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
   0.9.44 (ruby-4.0.5).
 </div>

docs/index.html

@@ -313,6 +313,11 @@ <h2 id="-installation">✨ Installation</h2>
 <pre class="code language-console"><code class="language-console">gem install oauth-tty
 </code></pre>
 
+<p><code>oauth-tty</code> uses Ruby’s <code>CGI</code> library for query parameter encoding and parsing.<br>
+Supported Ruby versions that ship <code>CGI</code> do not need an additional dependency.<br>
+Applications running on Ruby versions or distributions that do not provide<br>
+<code>CGI</code> should add the <code>cgi</code> gem directly.</p>
+
 <h2 id="️-configuration">⚙️ Configuration</h2>
 
 <p>The oauth-tty gem is a thin CLI over the oauth gem. You supply your consumer credentials, token credentials (when applicable), a target URI, and optional parameters, and the tool signs requests or helps you complete an OAuth 1.0/1.0a 3-legged flow.</p>
@@ -692,7 +697,7 @@ <h3 id="please-give-the-project-a-star--">Please give the project a star ⭐ ♥
 </div></div>
 
       <div id="footer">
-  Generated on Mon Jun 15 02:03:47 2026 by
+  Generated on Mon Jun 15 04:50:57 2026 by
   <a href="https://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
   0.9.44 (ruby-4.0.5).
 </div>

oauth-tty.gemspec

@@ -107,7 +107,6 @@ Gem::Specification.new do |spec|
 
   # Utilities
   spec.add_dependency("auth-sanitizer", "~> 0.2", ">= 0.2.1")           # ruby >= 2.2.0
-  spec.add_dependency("cgi", ">= 0")
   spec.add_dependency("version_gem", "~> 1.1", ">= 1.1.12")              # ruby >= 2.2.0
 
   # NOTE: It is preferable to list development dependencies in the gemspec due to increased