diff --git a/lib/bashly/libraries/settings/settings.yml b/lib/bashly/libraries/settings/settings.yml
index 772cb0806..781766942 100644
--- a/lib/bashly/libraries/settings/settings.yml
+++ b/lib/bashly/libraries/settings/settings.yml
@@ -110,6 +110,7 @@ enable_view_markers: development
 enable_inspect_args: development
 enable_deps_array: always
 enable_env_var_names_array: always
+enable_sourcing: development
 
 
 #-------------------------------------------------------------------------------
diff --git a/lib/bashly/settings.rb b/lib/bashly/settings.rb
index 078dcf106..389badcdd 100644
--- a/lib/bashly/settings.rb
+++ b/lib/bashly/settings.rb
@@ -13,6 +13,7 @@ class << self
         :enable_env_var_names_array,
         :enable_header_comment,
         :enable_inspect_args,
+        :enable_sourcing,
         :enable_view_markers,
         :lib_dir,
         :partials_extension,
@@ -48,28 +49,32 @@ def enabled?(feature)
           (send(:"enable_#{feature}") == 'development' && !production?)
       end
 
-      def enable_header_comment
-        @enable_header_comment ||= get :enable_header_comment
-      end
-
       def enable_bash3_bouncer
         @enable_bash3_bouncer ||= get :enable_bash3_bouncer
       end
 
-      def enable_view_markers
-        @enable_view_markers ||= get :enable_view_markers
+      def enable_deps_array
+        @enable_deps_array ||= get :enable_deps_array
+      end
+
+      def enable_env_var_names_array
+        @enable_env_var_names_array ||= get :enable_env_var_names_array
+      end
+
+      def enable_header_comment
+        @enable_header_comment ||= get :enable_header_comment
       end
 
       def enable_inspect_args
         @enable_inspect_args ||= get :enable_inspect_args
       end
 
-      def enable_deps_array
-        @enable_deps_array ||= get :enable_deps_array
+      def enable_sourcing
+        @enable_sourcing ||= get :enable_sourcing
       end
 
-      def enable_env_var_names_array
-        @enable_env_var_names_array ||= get :enable_env_var_names_array
+      def enable_view_markers
+        @enable_view_markers ||= get :enable_view_markers
       end
 
       def env
diff --git a/lib/bashly/views/command/master_script.gtx b/lib/bashly/views/command/master_script.gtx
index 09b894d55..cae7faaf9 100644
--- a/lib/bashly/views/command/master_script.gtx
+++ b/lib/bashly/views/command/master_script.gtx
@@ -13,6 +13,13 @@
 = render :run
 
 > 
-> initialize
-> run "$@"
-> 
\ No newline at end of file
+if Settings.enabled? :sourcing
+  > if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+  >   initialize
+  >   run "$@"
+  > fi
+else
+  > initialize
+  > run "$@"
+end
+> 
diff --git a/schemas/settings.json b/schemas/settings.json
index 9d0e57837..d6477f188 100644
--- a/schemas/settings.json
+++ b/schemas/settings.json
@@ -201,6 +201,18 @@
       ],
       "default": "always"
     },
+    "enable_sourcing": {
+      "title": "enable_sourcing",
+      "description": "Whether to wrap the script execution in a condition that checks if the script is sourced\nhttps://bashly.dannyb.co/usage/settings/#enable_sourcing",
+      "type": "string",
+      "enum": [
+        "development",
+        "production",
+        "always",
+        "never"
+      ],
+      "default": "development"
+    },
     "partials_extension": {
       "title": "partials extension",
       "description": "The extension to use when reading/writing partial script snippets\nhttps://bashly.dannyb.co/usage/settings/#partials_extension",
diff --git a/spec/approvals/cli/preview/no-args b/spec/approvals/cli/preview/no-args
index 3b5dfcbf4..d42463e5d 100644
--- a/spec/approvals/cli/preview/no-args
+++ b/spec/approvals/cli/preview/no-args
@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 ...
-run "$@"
+run "$@"
\ No newline at end of file
diff --git a/spec/bashly/commands/preview_spec.rb b/spec/bashly/commands/preview_spec.rb
index 2a0db8623..89f43d10b 100644
--- a/spec/bashly/commands/preview_spec.rb
+++ b/spec/bashly/commands/preview_spec.rb
@@ -17,7 +17,7 @@
 
     it 'prints the generated cli script' do
       expect { subject.execute %w[preview] }.to output_approval('cli/preview/no-args')
-        .except(/env bash\n.*\nrun "\$@"/m, "env bash\n...\nrun \"$@\"")
+        .except(/env bash\n.*\n\s*run "\$@"\n.*/m, "env bash\n...\nrun \"$@\"")
     end
   end
 end
diff --git a/spec/bashly/script/wrapper_spec.rb b/spec/bashly/script/wrapper_spec.rb
index c7cd79887..74484a430 100644
--- a/spec/bashly/script/wrapper_spec.rb
+++ b/spec/bashly/script/wrapper_spec.rb
@@ -11,7 +11,7 @@
         lines = subject.code.split "\n"
         expect(lines[0..13].join("\n")).to match_approval('script/wrapper/code')
           .except(/\d+\.\d+\.\d+(\.rc\d)?/)
-        expect(lines[-1]).to eq 'run "$@"'
+        expect(lines[-2]).to eq '  run "$@"'
       end
     end
 
diff --git a/support/schema/settings.yml b/support/schema/settings.yml
index 66bd91d74..f7bb33d01 100644
--- a/support/schema/settings.yml
+++ b/support/schema/settings.yml
@@ -173,6 +173,14 @@ properties:
     type: string
     enum: *feature_toggles
     default: always
+  enable_sourcing:
+    title: enable_sourcing
+    description: |-
+      Whether to wrap the script execution in a condition that checks if the script is sourced
+      https://bashly.dannyb.co/usage/settings/#enable_sourcing
+    type: string
+    enum: *feature_toggles
+    default: development
   partials_extension:
     title: partials extension
     description: |-