From 301170f17eadec98bb1b5d1dc2e2a886c2ff3be8 Mon Sep 17 00:00:00 2001
From: Eric Githinji <51313777+egithinji@users.noreply.github.com>
Date: Wed, 13 Aug 2025 10:15:53 +0300
Subject: [PATCH] Uninstall old mdbook-linkcheck while installing project
 tools. (#2846)

Fixes #2773 .
---
 xtask/src/main.rs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 6a469b46..f46eabd9 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -22,6 +22,7 @@
 use anyhow::{Ok, Result, anyhow};
 use clap::{Parser, Subcommand};
 use std::path::{Path, PathBuf};
+use std::process::Stdio;
 use std::{env, process::Command};
 
 fn main() -> Result<()> {
@@ -128,9 +129,35 @@ fn install_tools() -> Result<()> {
         }
     }
 
+    // Uninstall original linkcheck if currently installed (see issue no 2773)
+    uninstall_mdbook_linkcheck();
+
     Ok(())
 }
 
+fn uninstall_mdbook_linkcheck() {
+    println!("Uninstalling old mdbook-linkcheck if installed...");
+    let output = Command::new(env!("CARGO"))
+        .arg("uninstall")
+        .arg("mdbook-linkcheck")
+        .output()
+        .expect("Failed to execute cargo uninstall mdbook-linkcheck");
+
+    if !output.status.success() {
+        if String::from_utf8_lossy(&output.stderr)
+            .into_owned()
+            .contains("did not match any packages")
+        {
+            println!("mdbook-linkcheck not installed. Continuing...");
+        } else {
+            eprintln!(
+                "An error occurred during uninstallation of mdbook-linkcheck:\n{:#?}",
+                String::from_utf8_lossy(&output.stderr)
+            );
+        }
+    }
+}
+
 fn run_web_tests(dir: Option<PathBuf>) -> Result<()> {
     println!("Running web tests...");