Merge pull request #90 from multiversx/add-build-script

Add build script

Makefile

@@ -31,7 +31,7 @@ help:
 
 build:
 	cd ${cmd_dir} && \
-		go build -v -ldflags="-X main.appVersion=$(git describe --tags --long --dirty)" -o ${binary}
+		go build -v -ldflags="-X main.appVersion=$(shell git describe --tags --long --dirty)" -o ${binary}
 
 publisher_type="rabbitmq"
 run: build

README.md

@@ -26,13 +26,20 @@ deprecated in the future.
 Using the `cmd/notifier` package as root, execute the following commands:
 
 - install go dependencies: `go install`
-- build executable: `go build -o event-notifier`
+- build executable: `go build -ldflags="-X main.appVersion=$(git describe --tags --long --dirty)" -o event-notifier`
 - run `./event-notifier`
 
+Or use the build script:
+```bash
+bash scripts/build.sh
+```
+
 ---
+
 This can also be done using a single command from `Makefile`:
 ```bash
 # by default, rabbitmq type
+# `run` command will also trigger make `build` command
 make run
 
 # specify notifier running mode (eq: rabbitmq, ws)

scripts/build.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+# set -x
+
+cmd_dir="cmd/notifier"
+binary=event-notifier
+
+if ! [ -x "$(command -v go)" ]; then
+    echo -e "go has to be installed"
+    exit 1
+fi
+
+if ! [ -x "$(command -v git)" ]; then
+    echo -e "git has to be installed"
+    exit 1
+fi
+
+cd ${cmd_dir} && \
+    go build -v \
+        -ldflags="-X main.appVersion=$(git describe --tags --long --dirty)" \
+        -o ${binary}