added fetch-build.sh example

scripts/fetch-build.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+set -e
+
+fetch_and_extract() {
+    rm -rf version release
+    wget -q -O version "https://gitlab.com/librewolf-community/browser/source/-/raw/main/version"
+    wget -q -O release "https://gitlab.com/librewolf-community/browser/source/-/raw/main/release"
+    
+    rm -f "librewolf-$(cat version)-$(cat release).source.tar.gz"
+    wget -O "librewolf-$(cat version)-$(cat release).source.tar.gz" "https://gitlab.com/librewolf-community/browser/source/-/jobs/artifacts/main/raw/librewolf-$(cat version)-$(cat release).source.tar.gz?job=build-job"
+    
+    rm -rf librewolf-$(cat version)
+    tar xf librewolf-$(cat version)-$(cat release).source.tar.gz
+
+    # here would be a great spot to insert system dependent stuff like mozconfig/patches.
+}
+
+build() {
+    cd librewolf-$(cat version)
+      ./mach build
+      ./mach package
+    cd ..
+}
+
+artifacts() {
+    # ... Here we do system dependent stuff like builing rpm's, setup.exe or other formats we distribute in
+}
+
+build_all() {
+    fetch_and_extract
+    build
+    artifacts
+}
+
+build_all