# main local branch (the one we want checked out)
master = master

# all local branches (including those needed by child clones)
branches = $(master)

# local name of origin
origin = origin

allbranches = $(sort $(master) $(branches))
currentbranch := $(shell git branch | grep ^\* | awk '{ print $2 }')
noncurrentbranches := $(filter-out $(currentbranch),$(branches))

#originbranches := $(shell git branch -r | perl -ne 'm,^.\s+'"$$origin"'/([a-z_]\S+)$, && print "$$1\n"' )
localbranches := $(shell git branch | perl -ne 'm,^.\s+([a-z_]\S+)$$, && print "$$1\n"' )

update:
	git fetch $(origin)
	for branch in $(filter-out $(localbranches),$(allbranches)); do \
		git branch $$branch $(origin)/$$branch; \
	done
	for branch in $(noncurrentbranches); do \
		git checkout $$branch; \
		git pull $(origin); \
	done
	git checkout $(master)
	git pull $(origin)

init:
	git init
	git remote add -f -m "$(master)" origin "$(origin)"
	git merge origin
#	git config remote.origin.push +"refs/heads/$(master)":"refs/heads/$(master)"

.PHONY: update init