diff --git a/.gitignore b/.gitignore
index 6f8bafc5..4fc4f9c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@
 .vscode
 node_modules
 coverage
+.aider*
+.env
diff --git a/spec/installer/repository_spec.cr b/spec/installer/repository_spec.cr
index 6aa5dd16..41269a0e 100644
--- a/spec/installer/repository_spec.cr
+++ b/spec/installer/repository_spec.cr
@@ -56,6 +56,9 @@ describe "Repository" do
 
       0.1.0
       0.2.0
+
+      Hint: Run  mint tool clean; mint tool clean --package-cache  to reset local
+      state, and then try again.
       MESSAGE
 
       begin
@@ -98,6 +101,9 @@ describe "Repository" do
       The error I got from the git command is this:
 
       cloned
+
+      Hint: Run  mint tool clean; mint tool clean --package-cache  to reset local
+      state, and then try again.
       MESSAGE
 
       begin
@@ -119,6 +125,9 @@ describe "Repository" do
       The error I got from the git command is this:
 
       fetched
+
+      Hint: Run  mint tool clean; mint tool clean --package-cache  to reset local
+      state, and then try again.
       MESSAGE
 
       begin
diff --git a/src/installer/repository.cr b/src/installer/repository.cr
index 3e5c2aa6..82f51ed8 100644
--- a/src/installer/repository.cr
+++ b/src/installer/repository.cr
@@ -63,6 +63,12 @@ module Mint
           block do
             bold error.to_s.strip
           end
+
+          block do
+            text "Hint: Run "
+            bold "mint tool clean; mint tool clean --package-cache"
+            text " to reset local state, and then try again."
+          end
         end unless status.success?
 
         output
@@ -138,6 +144,12 @@ module Mint
           block do
             bold error.to_s.strip
           end
+
+          block do
+            text "Hint: Run "
+            bold "mint tool clean; mint tool clean --package-cache"
+            text " to reset local state, and then try again."
+          end
         end unless status.success?
 
         terminal.puts "  #{CHECKMARK} Updated #{id}"
@@ -158,6 +170,12 @@ module Mint
           block do
             bold error.to_s.strip
           end
+
+          block do
+            text "Hint: Run "
+            bold "mint tool clean; mint tool clean --package-cache"
+            text " to reset local state, and then try again."
+          end
         end unless status.success?
 
         terminal.puts "  #{CHECKMARK} Cloned #{id}"