add task to makefile for generating/updating CHANGES file before releases

.editorconfig

@@ -27,3 +27,7 @@ indent_size = 2
 [Makefile]
 indent_style = tab
 indent_size = 4
+
+[*.sh]
+indent_style = tab
+indent_size = 4

Makefile

@@ -8,7 +8,7 @@ RES_DIR320=gtk-3.20
 SCSS_DIR320=$(RES_DIR320)/scss
 DIST_DIR320=$(RES_DIR320)/dist
 INSTALL_DIR=$(DESTDIR)/usr/share/themes/Numix
-LATEST_STABLE_RELEASE=$(git describe --tags $(git rev-list --tags --max-count=1))
+UTILS=scripts/utils.sh
 
 all: clean gresource
 
@@ -57,14 +57,8 @@ uninstall:
 	rm -rf $(INSTALL_DIR)
 
 changes:
-	[ -f CHANGES ] && mv CHANGES CHANGES.old
+	$(UTILS) changes
-	git log \
+
-		--pretty=format:"[%ai] %<(69,trunc) %s %><(15) %aN {%h}" \
-		--cherry-pick "${LATEST_STABLE_RELEASE}...HEAD" > CHANGES
-	[ -f CHANGES.old ] && cat CHANGES.old >> CHANGES && rm CHANGES.old
-	git add CHANGES
-	git commit -m 'RELEASE PREP :: Update CHANGES file.'
-	git push
 
 .PHONY: all
 .PHONY: css

scripts/utils.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+update_changes_file() {
+	local LATEST_STABLE_RELEASE
+	LATEST_STABLE_RELEASE=$(git describe --tags $(git rev-list --tags --max-count=1))
+
+	[[ -f CHANGES ]] && mv CHANGES CHANGES.old
+
+	{ git log \
+		--pretty=format:"[%ai] %<(69,trunc) %s %><(15) %aN {%h}" \
+		--cherry-pick "${LATEST_STABLE_RELEASE}...HEAD"; } > CHANGES
+
+	[[ -f CHANGES.old ]] && cat CHANGES.old >> CHANGES && rm CHANGES.old
+
+	git add CHANGES
+	git commit -m 'RELEASE PREP :: Update CHANGES file.'
+	git push
+}
+
+
+case $1 in
+	changes)
+		update_changes_file
+		exit $?
+	;;
+
+	*)
+		exit 0
+	;;
+esac