create website snapshot (gnu make)

Makefile

PROJ_ROOT = /var/www/#
WEB_ROOT = ${PROJ_ROOT}html/#
ARCH_DIR = ${PROJ_ROOT}util/#
TAR_EXCLUDES = templates_c ConfigAndLog private/backup_migrate naloxone-training files/civicrm/custom default/files/civicrm/upload

all snapshot: clean html.tgz members.sql.gz

define tar-exclude-list
$(foreach excl,$1,--exclude=${excl} )
endef

html.tgz:
        sudo tar czf ${ARCH_DIR}${@} $(call tar-exclude-list,${TAR_EXCLUDES}) ${WEB_ROOT}
        sudo chown ginkgo:ginkgo ${ARCH_DIR}${@}

%.sql:
        mysqldump ${*} >${*}.sql

members.sql.gz:
        $(MAKE) members.sql
        gzip members.sql

clean:
        - rm html.tgz
        - rm members.sql.gz