janware/jw-pkg
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make: Add multiple inclusion preventers around makefile rules

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Signed-off-by: Jan Lindemann <jan@janware.com>
This commit is contained in:
Jan Lindemann 2018-12-27 17:02:19 +00:00
commit 4d8ff72147
4 changed files with 16 additions and 1 deletions
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4
make/backup.mk
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@ -4,9 +4,13 @@ BACKUP_DATE ?= $(shell date +'%y%m%d-%H%M%S')
_BACKUP_SOURCE = $(notdir $(shell cd $(BACKUP_SOURCE); $(PWD)))
ifndef BACKUP_MK_INCLUDED
BACKUP_MK_INCLUDED = true
backup: distclean
tar -C .. $(_BACKUP_SOURCE) -cjf $(BACKUP_TARGET)/$(_BACKUP_SOURCE)-$(BACKUP_DATE).tar.bz2
purge-last-backup:
$(RM) -f $(shell ls $(BACKUP_TARGET)/$(_BACKUP_SOURCE)-*.tar.bz2 | tail -1)
endif # ifndef BACKUP_MK_INCLUDED