Replace the solution to include the package name in the error message, like in other similar logs messages

Author: miry

spec/integration/install_spec.cr

@@ -855,7 +855,7 @@ describe "install" do
     with_shard(metadata) do
       ex = expect_raises(FailedCommand) { run "shards install --no-color" }
       ex.stdout.should contain <<-ERROR
-        E: Failed to install `executable_missing`: Could not find executable "nonexistent"
+        E: Could not find executable "nonexistent" for "executable_missing"
         ERROR
     end
   end

src/cli.cr

@@ -181,10 +181,6 @@ rescue ex : OptionParser::InvalidOption
 rescue ex : Shards::ParseError
   ex.to_s(STDERR)
   exit 1
-rescue ex : Shards::Package::Error
-  package = ex.package
-  Shards::Log.error(exception: ex) { "Failed to install `#{package.name}`: #{ex.message}" }
-  exit 1
 rescue ex : Shards::Error
   Shards::Log.error(exception: ex) { ex.message }
   exit 1

src/package.cr

@@ -3,14 +3,6 @@ require "./helpers"
 
 module Shards
   class Package
-    class Error < Shards::Error
-      getter package
-
-      def initialize(message, @package : Package)
-        super message
-      end
-    end
-
     getter name : String
     getter resolver : Resolver
     getter version : Version
@@ -122,7 +114,7 @@ module Shards
       spec.executables.each do |name|
         exe_name = find_executable_file(Path[install_path], name)
         unless exe_name
-          raise Shards::Package::Error.new("Could not find executable #{name.inspect}", package: self)
+          raise Shards::Error.new("Could not find executable #{name.inspect} for #{@namer.inspect}")
         end
         Log.debug { "Install #{exe_name}" }
         source = File.join(install_path, exe_name)