diff --git a/src/Types.jl b/src/Types.jl
index 73e6007fd1..0b7f567594 100644
--- a/src/Types.jl
+++ b/src/Types.jl
@@ -594,66 +594,68 @@ function handle_repo_add!(ctx::Context, pkg::PackageSpec)
         end
     end
 
-    LibGit2.with(GitTools.ensure_clone(ctx, add_repo_cache_path(repo_source), repo_source; isbare=true)) do repo
-        GitTools.check_valid_HEAD(repo)
+    let repo_source = repo_source
+        LibGit2.with(GitTools.ensure_clone(ctx, add_repo_cache_path(repo_source), repo_source; isbare=true)) do repo
+            GitTools.check_valid_HEAD(repo)
 
-        # If the user didn't specify rev, assume they want the default (master) branch if on a branch, otherwise the current commit
-        if pkg.repo.rev === nothing
-            pkg.repo.rev = LibGit2.isattached(repo) ? LibGit2.branch(repo) : string(LibGit2.GitHash(LibGit2.head(repo)))
-        end
+            # If the user didn't specify rev, assume they want the default (master) branch if on a branch, otherwise the current commit
+            if pkg.repo.rev === nothing
+                pkg.repo.rev = LibGit2.isattached(repo) ? LibGit2.branch(repo) : string(LibGit2.GitHash(LibGit2.head(repo)))
+            end
 
-        obj_branch = get_object_or_branch(repo, pkg.repo.rev)
-        fetched = false
-        if obj_branch === nothing
-            fetched = true
-            GitTools.fetch(ctx, repo, repo_source; refspecs=refspecs)
             obj_branch = get_object_or_branch(repo, pkg.repo.rev)
+            fetched = false
             if obj_branch === nothing
-                pkgerror("Did not find rev $(pkg.repo.rev) in repository")
+                fetched = true
+                GitTools.fetch(ctx, repo, repo_source; refspecs=refspecs)
+                obj_branch = get_object_or_branch(repo, pkg.repo.rev)
+                if obj_branch === nothing
+                    pkgerror("Did not find rev $(pkg.repo.rev) in repository")
+                end
+            end
+            gitobject, isbranch = obj_branch
+
+            # If we are tracking a branch and are not pinned we want to update the repo if we haven't done that yet
+            innerentry = manifest_info(ctx, pkg.uuid)
+            ispinned = innerentry !== nothing && innerentry.pinned
+            if isbranch && !fetched && !ispinned
+                GitTools.fetch(ctx, repo, repo_source; refspecs=refspecs)
+                gitobject, isbranch = get_object_or_branch(repo, pkg.repo.rev)
             end
-        end
-        gitobject, isbranch = obj_branch
-
-        # If we are tracking a branch and are not pinned we want to update the repo if we haven't done that yet
-        entry = manifest_info(ctx, pkg.uuid)
-        ispinned = entry !== nothing && entry.pinned
-        if isbranch && !fetched && !ispinned
-            GitTools.fetch(ctx, repo, repo_source; refspecs=refspecs)
-            gitobject, isbranch = get_object_or_branch(repo, pkg.repo.rev)
-        end
 
-        # Now we have the gitobject for our ref, time to find the tree hash for it
-        tree_hash_object = LibGit2.peel(LibGit2.GitTree, gitobject)
-        if pkg.repo.subdir !== nothing
-            try
-                tree_hash_object = tree_hash_object[pkg.repo.subdir]
-            catch e
-                e isa KeyError || rethrow()
-                pkgerror("Did not find subdirectory `$(pkg.repo.subdir)`")
+            # Now we have the gitobject for our ref, time to find the tree hash for it
+            tree_hash_object = LibGit2.peel(LibGit2.GitTree, gitobject)
+            if pkg.repo.subdir !== nothing
+                try
+                    tree_hash_object = tree_hash_object[pkg.repo.subdir]
+                catch e
+                    e isa KeyError || rethrow()
+                    pkgerror("Did not find subdirectory `$(pkg.repo.subdir)`")
+                end
             end
-        end
-        pkg.tree_hash = SHA1(string(LibGit2.GitHash(tree_hash_object)))
+            pkg.tree_hash = SHA1(string(LibGit2.GitHash(tree_hash_object)))
 
-        # If we already resolved a uuid, we can bail early if this package is already installed at the current tree_hash
-        if has_uuid(pkg)
-            version_path = Pkg.Operations.source_path(ctx, pkg)
-            isdir(version_path) && return false
-        end
+            # If we already resolved a uuid, we can bail early if this package is already installed at the current tree_hash
+            if has_uuid(pkg)
+                version_path = Pkg.Operations.source_path(ctx, pkg)
+                isdir(version_path) && return false
+            end
 
-        temp_path = mktempdir()
-        GitTools.checkout_tree_to_path(repo, tree_hash_object, temp_path)
-        package = resolve_projectfile!(ctx, pkg, temp_path)
+            temp_path = mktempdir()
+            GitTools.checkout_tree_to_path(repo, tree_hash_object, temp_path)
+            package = resolve_projectfile!(ctx, pkg, temp_path)
 
-        # Now that we are fully resolved (name, UUID, tree_hash, repo.source, repo.rev), we can finally
-        # check to see if the package exists at its canonical path.
-        version_path = Pkg.Operations.source_path(ctx, pkg)
-        isdir(version_path) && return false
+            # Now that we are fully resolved (name, UUID, tree_hash, repo.source, repo.rev), we can finally
+            # check to see if the package exists at its canonical path.
+            version_path = Pkg.Operations.source_path(ctx, pkg)
+            isdir(version_path) && return false
 
-        # Otherwise, move the temporary path into its correct place and set read only
-        mkpath(version_path)
-        mv(temp_path, version_path; force=true)
-        set_readonly(version_path)
-        return true
+            # Otherwise, move the temporary path into its correct place and set read only
+            mkpath(version_path)
+            mv(temp_path, version_path; force=true)
+            set_readonly(version_path)
+            return true
+        end
     end
 end