From 57a73404c26c81cadcac3ffce233863cb6c859f5 Mon Sep 17 00:00:00 2001
From: Jeff Dickey <216188+jdxcode@users.noreply.github.com>
Date: Fri, 14 Jul 2023 10:07:45 -0500
Subject: [PATCH] skip parsing gemfile when not parseable (#684)

Fixes #683
---
 src/plugins/core/ruby.rs | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/plugins/core/ruby.rs b/src/plugins/core/ruby.rs
index 3c0b108277..d6a326186d 100644
--- a/src/plugins/core/ruby.rs
+++ b/src/plugins/core/ruby.rs
@@ -399,9 +399,14 @@ fn parse_gemfile(body: &str) -> String {
         .replace_all(&v, "$1")
         .to_string();
     let v = regex!(r#"^[^0-9]"#).replace_all(&v, "").to_string();
-    regex!(r#"(.*)__ENGINE__(.*)"#)
+    let v = regex!(r#"(.*)__ENGINE__(.*)"#)
         .replace_all(&v, "$2-$1")
-        .to_string()
+        .to_string();
+    // make sure it's like "ruby-3.0.0" or "3.0.0"
+    if !regex!(r#"^(\w+-)?([0-9])(\.[0-9])*$"#).is_match(&v) {
+        return "".to_string();
+    }
+    v
 }
 
 #[cfg(test)]
@@ -436,5 +441,12 @@ mod tests {
         "#}),
             "jruby-1.6.7"
         );
+        assert_eq!(
+            parse_gemfile(indoc! {r#"
+            source "https://rubygems.org"
+            ruby File.read(File.expand_path(".ruby-version", __dir__)).strip
+        "#}),
+            ""
+        );
     }
 }