adding clone_content option (#44)

* adding clone_content option

* adding clone_content option

* adding param to readme

* flag fix

* update comparison

README.md

@@ -127,6 +127,7 @@ Jobs from CircleCI Orbs can take parameters (variables) that alter the behavior
 | parameter name             | type    | default value | required | description                                                                                                                                                                |
 |----------------------------|---------|---------------|----------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `checkout`                 | boolean | `true`        | no       | Determines whether a git checkout will be the first command called by the job. Set to false if you have already called "checkout" in the `pre-steps` section.              |
+| `clone_content`           | boolean | `true`        | no       | Determines whether or not every build will re-clone content from the environment set in terminus_clone_env. Set to false if cloning the database and files means builds are taking too long.         |
 | `env_create_max_time`      | string  | `"10m"`       | no       | The maximum amount of time to wait for Pantheon environment creation (terminus -n build:env:create). This parameter maps to CircleCI's native `no_output_timeout` option." |
 | `resource_class`      | string  | `"medium"`       | no       | The [size of the container](https://circleci.com/product/features/resource-classes/) can be increased for memory-intensive build steps or decreased to reduce billing impact. |
 | `terminus_clone_env`       | string  | `"live"`      | no       | The source environment from which the database and uploaded files are cloned.                                                                                              |

src/@orb.yml

@@ -48,6 +48,10 @@ jobs:
         description: "The source environment from which the database and uploaded files are cloned."
         default: "live"
         type: string
+      clone_content:
+        description: "Determines whether or not every build will re-clone content from the environment set in terminus_clone_env. Set to false if cloning the database and files means builds are taking too long."
+        default: true
+        type: boolean
 
     executor:
       name: default
@@ -140,9 +144,14 @@ jobs:
           command: |
               export COMMIT_MSG=$(git log -1 --pretty=%B)
               cd $PANTHEON_REPO_DIR
+              if [ "true" = "<<parameters.clone_content>>" ] ; then
+                export CLONE_CONTENT="--clone-content"
+              else
+                export CLONE_CONTENT=""
+              fi
               # This command will commit any changed files and push to Pantheon.
               # New multidevs will be created as necessary.
-              terminus -n build:env:create "$TERMINUS_SITE.<< parameters.terminus_clone_env >>" "$TERMINUS_ENV" --yes --clone-content --message="CI: $COMMIT_MSG"
+              terminus -n build:env:create "$TERMINUS_SITE.<< parameters.terminus_clone_env >>" "$TERMINUS_ENV" --yes $CLONE_CONTENT --message="CI: $COMMIT_MSG"
       - run:
           name: Delete Multidev environments made for now-closed pull requests
           command: |