Create an exec try command (#8)

* Create an exec command

* Remove getting deployment_id

* Execute $* instead of first param

* Update README and rename command

github-deploy/README.md

@@ -17,7 +17,7 @@ action "Add deployscripts" {
 }
 
 action "Deploy" {
-  uses = "docker://alpine"
+  uses = "docker://byrnedo/alpine-curl"
   secrets = ["GITHUB_TOKEN"]
   args = "./scripts/deploy.sh"
   needs = ["Add deployscripts"]
@@ -32,11 +32,40 @@ This gets the submitted environment from within ${GITHUB_EVENT_PATH}. For exampl
 ### deployment-get-id
 This gets the created deployment-id from within ${GITHUB_EVENT_PATH}. Usually you won't have to deal with this, it is for most purposes used by `deployment-set-status`
 
+### deployment-exec-try
+This runs the params submitted, and if error creates a error deployment status using `deployment-create-status`. This command can be used in deploy-scripts or as a `entrypoint` as so:
+
+```
+...
+
+action "Add deployscripts" {
+  uses = "unacast/actions/github-deploy@master"
+}
+
+action "Success" {
+  uses = "docker://byrnedo/alpine-curl"
+  args = "echo hallois"
+  runs = "/github/home/bin/deployment-exec-try"
+  needs = ["Add deployscripts"]
+}
+
+action "This one failes and updates Deployment API with error" {
+  uses = "docker://byrnedo/alpine-curl"
+  args = "cd this-folder-does-not-exist"
+  runs = "/github/home/bin/deployment-exec-try"
+  needs = ["Add deployscripts"]
+}
+``` 
+
+_Requires the container to have `curl` installed on failure._
+
 ### deployment-create-status
 This function updates the Deployment API with the result of your deploy. For example `${HOME}/bin/deployment-create-status success` creates a success-status on the deployment event.
 
 `success` can be replaced with the other allowed statuses (`error`, `failure`, `inactive`, `in_progress`, `queued` or `pending`) from the [Create a deployment status
- endpoint](https://developer.github.com/v3/repos/deployments/#create-a-deployment-status)   
+ endpoint](https://developer.github.com/v3/repos/deployments/#create-a-deployment-status)
+ 
+_Requires the container to have `curl` installed._   
 
 ## License
 

github-deploy/bin/deployment-exec-try

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+BASEDIR=$(dirname "$0")
+
+sh -c "$*"
+RESULT=$?
+if [[ 0 != "${RESULT}" ]];then
+    echo "Failed '$*'! Exit code '${RESULT}' is not equal to 0"
+    ${BASEDIR}/deployment-create-status error
+    exit ${RESULT}
+fi