From c6b50a5fed0441ac0765ad38b4f6fb0f1b38f92c Mon Sep 17 00:00:00 2001
From: Roey Darwish Dror <roey.ghost@gmail.com>
Date: Tue, 21 May 2019 16:39:13 +0300
Subject: [PATCH] Check that vim is actually vim (fix #152)

---
 src/steps/vim.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/steps/vim.rs b/src/steps/vim.rs
index bdec8a41..4790e94d 100644
--- a/src/steps/vim.rs
+++ b/src/steps/vim.rs
@@ -1,5 +1,5 @@
 use crate::error::{Error, ErrorKind};
-use crate::executor::{ExecutorOutput, RunType};
+use crate::executor::{CommandExt, ExecutorOutput, RunType};
 use crate::terminal::print_separator;
 use crate::utils::{require, require_option, PathExt};
 use directories::BaseDirs;
@@ -7,6 +7,7 @@ use std::path::PathBuf;
 use std::{
     fs,
     io::{self, Write},
+    process::Command,
 };
 
 #[derive(Debug, Clone, Copy)]
@@ -94,6 +95,12 @@ fn upgrade(vim: &PathBuf, vimrc: &PathBuf, plugin_framework: PluginFramework, ru
 #[must_use]
 pub fn upgrade_vim(base_dirs: &BaseDirs, run_type: RunType) -> Result<(), Error> {
     let vim = require("vim")?;
+
+    let output = Command::new(&vim).arg("--version").check_output()?;
+    if !output.starts_with("VIM") {
+        Err(ErrorKind::SkipStep)?;
+    }
+
     let vimrc = require_option(vimrc(&base_dirs))?;
     let plugin_framework = require_option(PluginFramework::detect(&vimrc))?;