Merge pull request #1 from jwalton/master

feat: Put tag name in output named 'tag'.

README.md

@@ -1,6 +1,7 @@
 # Get tag name
 
-This simple action gets tag name from commit that triggered the action and puts it into an environment variable GITHUB_TAG_NAME.
+This simple action gets tag name from commit that triggered the action and puts it into an environment variable GITHUB_TAG_NAME.  It will also export is as an output
+named "tag".
 
 ## Usage
 
@@ -9,4 +10,4 @@ Dead simple:
 ```yaml
     steps:
       - uses: olegtarasov/get-tag@v1
-```
+```

action.yml

@@ -4,6 +4,9 @@ author: 'Oleg Tarasov'
 runs:
   using: 'node12'
   main: 'lib/main.js'
+outputs:
+  tag:
+    description: The tag name.
 branding:
   icon: 'tag'
   color: 'orange'

lib/main.js

@@ -23,7 +23,9 @@ function run() {
             const ref = github.context.ref;
             const tagPath = "refs/tags/";
             if (ref && ref.startsWith(tagPath)) {
-                core.exportVariable("GITHUB_TAG_NAME", ref.substr(tagPath.length, ref.length));
+                const tag = ref.substr(tagPath.length, ref.length);
+                core.exportVariable("GITHUB_TAG_NAME", tag);
+                core.setOutput('tag', tag);
             }
         }
         catch (error) {

src/main.ts

@@ -6,7 +6,9 @@ async function run() {
     const ref = github.context.ref
     const tagPath = "refs/tags/"
     if (ref && ref.startsWith(tagPath)) {
-      core.exportVariable("GITHUB_TAG_NAME", ref.substr(tagPath.length, ref.length))
+      const tag = ref.substr(tagPath.length, ref.length);
+      core.exportVariable("GITHUB_TAG_NAME", tag);
+      core.setOutput('tag', tag);
     }
   } catch (error) {
     core.setFailed(error.message);