From b2a1e5a5471fd045b5b754f0adcb344239686179 Mon Sep 17 00:00:00 2001
From: Fabian Vowie <fabian@vowie.me>
Date: Sun, 23 Jan 2022 17:43:56 +0100
Subject: [PATCH] Add commit hash to index metadata

---
 build.sh | 3 +++
 main.go  | 9 ++++++---
 2 files changed, 9 insertions(+), 3 deletions(-)
 create mode 100755 build.sh

diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..77f3431
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+GIT_COMMIT=$(git rev-parse --short HEAD); go build -ldflags "-X main.GitCommit=$GIT_COMMIT"
diff --git a/main.go b/main.go
index 0191c1b..030aa5b 100644
--- a/main.go
+++ b/main.go
@@ -15,9 +15,12 @@ import (
 const Name string = "Lithium"
 const Version string = "0.1.0"
 
+var GitCommit string
+
 type Metadata struct {
-	Name    string `json:"name"`
-	Version string `json:"version"`
+	Name       string `json:"name"`
+	Version    string `json:"version"`
+	CommitHash string `json:"commit_hash"`
 }
 
 func PipelineHandler(pipeline pipelines.IPipeline, storageProvider storage.IStorageProvider, w http.ResponseWriter, r *http.Request) {
@@ -30,7 +33,7 @@ func PipelineHandler(pipeline pipelines.IPipeline, storageProvider storage.IStor
 
 func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
-	err := json.NewEncoder(w).Encode(Metadata{Name, Version})
+	err := json.NewEncoder(w).Encode(Metadata{Name, Version, GitCommit})
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
 	}