Added Makefile for install

Makefile

@@ -0,0 +1,28 @@
+#Config
+UPSTREAM_VERSION = 2.29.2.2
+PKG_SUB_RELEASE = 1.0
+PKG_FULL_VERSION = ${UPSTREAM_VERSION}-${PKG_SUB_RELEASE}
+UPSTREAM_TAG = "v$(echo $UPSTREAM_VERSION | cut -d. -f-3).windows.$(echo $UPSTREAM_VERSION | cut -d. -f4)"
+
+SOURCE = https://github.com/git-for-windows/git/releases/download/${UPSTREAM_TAG}/Git-${UPSTREAM_VERSION}-64-bit.exe
+CHECKSUM = 0a88d826cd4c66d949c054f5830667896fae44fcb29c1698f7ed984df8765029
+## Download Link and Checksums can be found on https://github.com/git-for-windows/git/releases/
+
+install: clean setversion
+	@[ -d "./data/" ] || mkdir ./data/
+	@echo "Downloading the Git for Windows executable..."
+	@wget -O ./data/Git-${UPSTREAM_VERSION}-64-bit.exe ${SOURCE}
+	@echo "${CHECKSUM} ./data/Git-${UPSTREAM_VERSION}-64-bit.exe" | sha256sum -c && echo "SUCCESS: Checksums match" || { ec=$$?; echo "ERROR: Checksum mismatch" >&2; rm -rf ./data/; exit $$ec; }
+
+clean:
+	@echo "Cleaning ./data/"
+	@rm -rf ./data/
+
+setversion:
+	@echo "Writing version ${PKG_FULL_VERSION} to control file"
+	@sed -i "s/^version: [0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}$$/version: ${UPSTREAM_VERSION}/" ./control
+	@sed -i "s/^packageVersion: [0-9]\{1,3\}\.[0-9]\{1,3\}$$/packageVersion: ${PKG_SUB_RELEASE}/" ./control
+package:
+	@echo "MEEP!"
+.PHONY: install clean setversion package 
+