fix(bash): escape interpretable characters (#2404)

* fix(bash): escape interpretable characters

* also escape backticks

src/utils.rs

@@ -207,7 +207,15 @@ CMake suite maintained and supported by Kitware (kitware.com/cmake).\n",
 }
 
 /// Wraps ANSI color escape sequences in the shell-appropriate wrappers.
-pub fn wrap_colorseq_for_shell(ansi: String, shell: Shell) -> String {
+pub fn wrap_colorseq_for_shell(mut ansi: String, shell: Shell) -> String {
+    // Bash might interepret baskslashes, backticks and $
+    // see #658 for more details
+    if shell == Shell::Bash {
+        ansi = ansi.replace('\\', r"\\");
+        ansi = ansi.replace('$', r"\$");
+        ansi = ansi.replace('`', r"\`");
+    }
+
     const ESCAPE_BEGIN: char = '\u{1b}';
     const ESCAPE_END: char = 'm';
     wrap_seq_for_shell(ansi, shell, ESCAPE_BEGIN, ESCAPE_END)
@@ -465,4 +473,37 @@ mod tests {
         assert_eq!(&bresult4, "herpaderp");
         assert_eq!(&bresult5, "");
     }
+
+    #[test]
+    fn test_bash_escape() {
+        let test = "$(echo a)";
+        assert_eq!(
+            wrap_colorseq_for_shell(test.to_owned(), Shell::Bash),
+            r"\$(echo a)"
+        );
+        assert_eq!(
+            wrap_colorseq_for_shell(test.to_owned(), Shell::PowerShell),
+            test
+        );
+
+        let test = r"\$(echo a)";
+        assert_eq!(
+            wrap_colorseq_for_shell(test.to_owned(), Shell::Bash),
+            r"\\\$(echo a)"
+        );
+        assert_eq!(
+            wrap_colorseq_for_shell(test.to_owned(), Shell::PowerShell),
+            test
+        );
+
+        let test = r"`echo a`";
+        assert_eq!(
+            wrap_colorseq_for_shell(test.to_owned(), Shell::Bash),
+            r"\`echo a\`"
+        );
+        assert_eq!(
+            wrap_colorseq_for_shell(test.to_owned(), Shell::PowerShell),
+            test
+        );
+    }
 }