Fix compilation of library

src/bin/bat/assets.rs

@@ -37,7 +37,7 @@ pub fn clear_assets() {
 pub fn assets_from_cache_or_binary() -> Result<HighlightingAssets> {
     let cache_dir = PROJECT_DIRS.cache_dir();
     if let Some(metadata) = AssetsMetadata::load_from_folder(&cache_dir)? {
-        if !metadata.is_compatible() {
+        if !metadata.is_compatible_with(crate_version!()) {
             return Err(format!(
                 "The binary caches for the user-customized syntaxes and themes \
                  in '{}' are not compatible with this version of bat ({}). To solve this, \

src/bin/bat/main.rs

@@ -22,13 +22,13 @@ use crate::{
     config::{config_file, generate_config_file},
 };
 use assets::{assets_from_cache_or_binary, cache_dir, clear_assets, config_dir};
-use bat::Controller;
+use clap::crate_version;
 use directories::PROJECT_DIRS;
 
 use bat::{
     config::{Config, InputFile, OrdinaryFile, StyleComponent, StyleComponents},
     errors::*,
-    HighlightingAssets,
+    Controller, HighlightingAssets,
 };
 
 fn run_cache_subcommand(matches: &clap::ArgMatches) -> Result<()> {
@@ -45,7 +45,7 @@ fn run_cache_subcommand(matches: &clap::ArgMatches) -> Result<()> {
         let blank = matches.is_present("blank");
 
         let assets = HighlightingAssets::from_files(source_dir, !blank)?;
-        assets.save_to_cache(target_dir)?;
+        assets.save_to_cache(target_dir, crate_version!())?;
     } else if matches.is_present("clear") {
         clear_assets();
     }