From a0d94c7b00bbb7bbad6545de2268aada9293933e Mon Sep 17 00:00:00 2001
From: peaceiris <30958501+peaceiris@users.noreply.github.com>
Date: Sun, 11 Oct 2020 15:57:30 +0900
Subject: [PATCH] feat: dst_sha

---
 action.yml       |  3 +++
 src/git-utils.ts | 18 +++++++++++++++++-
 src/main.ts      |  3 ++-
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/action.yml b/action.yml
index 175640d..eee9cbf 100644
--- a/action.yml
+++ b/action.yml
@@ -77,3 +77,6 @@ inputs:
     description: 'Set files or directories to exclude from a publish directory.'
     required: false
     default: '.github'
+outputs:
+  dst_sha:
+    description: 'Deployed commit hash.'
diff --git a/src/git-utils.ts b/src/git-utils.ts
index 6d417e9..156280e 100644
--- a/src/git-utils.ts
+++ b/src/git-utils.ts
@@ -190,16 +190,32 @@ export function getCommitMessage(
   return subject;
 }
 
-export async function commit(allowEmptyCommit: boolean, msg: string): Promise<void> {
+export async function commit(allowEmptyCommit: boolean, msg: string): Promise<string> {
   try {
     if (allowEmptyCommit) {
       await exec.exec('git', ['commit', '--allow-empty', '-m', `${msg}`]);
     } else {
       await exec.exec('git', ['commit', '-m', `${msg}`]);
     }
+
+    const result: CmdResult = {
+      exitcode: 0,
+      output: ''
+    };
+    const options = {
+      listeners: {
+        stdout: (data: Buffer): void => {
+          result.output += data.toString();
+        }
+      }
+    };
+    result.exitcode = await exec.exec('git', ['rev-parse', 'HEAD'], options);
+
+    return result.output;
   } catch (e) {
     core.info('[INFO] skip commit');
     core.debug(`[INFO] skip commit ${e.message}`);
+    return '';
   }
 }
 
diff --git a/src/main.ts b/src/main.ts
index 6ddf944..e49ad2e 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -75,7 +75,8 @@ export async function run(): Promise<void> {
       baseRepo,
       hash
     );
-    await commit(inps.AllowEmptyCommit, commitMessage);
+    const dstSHA = await commit(inps.AllowEmptyCommit, commitMessage);
+    core.setOutput('dst_sha', dstSHA);
     core.endGroup();
 
     core.startGroup('Push the commit or tag');