[Makefile] Yet another wrapper for rsync

.rsyncignore

/Makefile
/.rsyncignore

Makefile

# Yet another rsync wrapper
#
# use the `make dry-run <action>` if you want to know what will happen

LOCAL   := $(CURDIR)
REMOTE  := /media/vault/Photos

OPTIONS := --recursive --links --times --omit-dir-times --human-readable --progress

ifneq ($(wildcard .rsyncignore),)
	OPTIONS += --exclude-from=".rsyncignore"
endif

help:
	@echo "Usage: make [modes] <action> [actions]"
	@echo
	@echo "Actions:"
	@echo
	@echo " pull"
	@echo " |- pull-new       download missing files"
	@echo " |- pull-changed   update existing files if changed"
	@echo " \`- pull-deleted   delete files that missing on REMOTE"
	@echo
	@echo " push"
	@echo " |- push-new       upload new files that missing on REMOTE"
	@echo " |- push-changed   upload existing files if changed"
	@echo " \`- push-deleted   delete files that missing on LOCAL"
	@echo
	@echo " sync              synchronize LOCAL and REMOTE without deleting"
	@echo
	@echo "Modes:"
	@echo
	@echo " dry[-run]         perform a trial run with no changes made"
	@echo " lazy              transfer files only if size is different"
	@echo " strict            transfer files only if checksum does not match"

dry dry-run:
	$(eval OPTIONS += --dry-run)
	$(eval _MODE += $@)
	@true

lazy:
	$(eval OPTIONS += --size-only)
	$(eval _MODE += $@)
	@true

strict:
	$(eval OPTIONS += --checksum)
	$(eval _MODE += $@)
	@true

pull: pull-new pull-changed pull-deleted

pull-new:
	@rsync $(OPTIONS) --ignore-existing "$(REMOTE)/" "$(LOCAL)/" \
		| sed -e '1d' -e 's/^/($(strip $(_MODE) $@)) | /'

pull-changed:
	@rsync $(OPTIONS) --update --existing "$(REMOTE)/" "$(LOCAL)/" \
		| sed -e '1d' -e 's/^/($(strip $(_MODE) $@)) | /'

pull-deleted:
	@rsync $(OPTIONS) --delete --existing --ignore-existing "$(REMOTE)/" "$(LOCAL)/" \
		| sed -e '1d' -e 's/^/($(strip $(_MODE) $@)) | /'

push: push-new push-changed push-deleted

push-new:
	@rsync $(OPTIONS) --ignore-existing "$(LOCAL)/" "$(REMOTE)/" \
		| sed -e '1d' -e 's/^/($(strip $(_MODE) $@)) | /'

push-changed:
	@rsync $(OPTIONS) --update --existing "$(LOCAL)/" "$(REMOTE)/" \
		| sed -e '1d' -e 's/^/($(strip $(_MODE) $@)) | /'

push-deleted:
	@rsync $(OPTIONS) --delete --existing --ignore-existing "$(LOCAL)/" "$(REMOTE)/" \
		| sed -e '1d' -e 's/^/($(strip $(_MODE) $@)) | /'

sync: push-changed pull-changed push-new pull-new

.PHONY: dry dry-run lazy strict pull pull-new pull-changed pull-deleted \
	push push-new push-changed push-deleted sync