add staging build to make

Signed-off-by: Toshaan Bharvani <toshaan@vantosh.com>

Makefile

@@ -1,6 +1,9 @@
 #!Makefile
 
+SHELL:=bash
 HUGO=hugo-extended
+BUILDNAME:=$(shell git rev-parse --abbrev-ref HEAD)
+BASEURL:=$(shell basename `pwd` | sed 's/_/./g')
 
 default all: build
 
@@ -11,6 +14,20 @@ build:
 	@find public/ -name '*.css' ! -name '*.gz' -type f -exec sh -c "gzip -c -9 < {} > {}.gz" \;
 	@find public/ -name '*.js' ! -name '*.gz' -type f -exec sh -c "gzip -c -9 < {} > {}.gz" \;
 
+.PHONY: build-staging
+build-staging:
+	@rm -rf public/
+	branches=$(git branch -r)
+	for branch in $(branches); do
+		if [ $(branch) != '->' ] && [ $(branch) != 'origin/HEAD' ] && [ $(branch) != 'origin/master' ] && [ $(branch) != 'origin/main' ]; then
+			echo $(branch)
+			branchname=$(basename $branch)
+			git checkout $(branchname)
+			
+			$(HUGO) --environment=production --minify --templateMetrics --baseURL https://$(BASEURL)/$(branchname)/ --destination builds/$(branchname)
+		fi
+	done
+
 .PHONY: test
 test: clean
 	$(HUGO) --environment=development --minify