From ea413a502373163f274bf3888563d2728cb1bf15 Mon Sep 17 00:00:00 2001
From: Tom Willemse <tom@ryuslash.org>
Date: Sun, 14 Apr 2013 23:58:45 +0200
Subject: [PATCH] Add uninstall targets

These targets can be used to remove (parts of) the file installation.
They are also used by the cleanup targets to remove complete
submodules from the installation.
---
 dotfiles.mk | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/dotfiles.mk b/dotfiles.mk
index 8ca45fc..0a51b92 100644
--- a/dotfiles.mk
+++ b/dotfiles.mk
@@ -20,27 +20,33 @@ check-objects=$(addprefix check-,$(objects))
 install-objects=$(addprefix install-,$(objects))
 reverse-objects=$(addprefix reverse-,$(objects))
 cleanup-objects=$(addprefix cleanup-,$(objects))
+uninstall-objects=$(addprefix uninstall-,$(objects))
 
 check-modules=$(addprefix check-,$(modules))
 install-modules=$(addprefix install-,$(modules))
 reverse-modules=$(addprefix reverse-,$(modules))
 cleanup-modules=$(addprefix cleanup-,$(modules))
+uninstall-modules=$(addprefix uninstall-,$(modules))
 
 .PHONY: all install cleanup check cleanup $(modules) \
 	$(install-objects) $(cleanup-objects) $(check-objects) \
 	$(install-modules) $(cleanup-modules) $(check-modules) \
-	$(reverse) $(reverse-objects) $(reverse-modules)
+	$(reverse) $(reverse-objects) $(reverse-modules) \
+	$(uninstall-objects) $(uninstall-modules)
 all: $(modules) $(objects)
 
 ifeq ($(MAKEROOT),y)
 check: $(check-modules) $(check-objects)
 install: cleanup $(install-modules) $(install-objects) Makefile.old
 reverse: $(reverse-modules) $(reverse-objects)
+uninstall: $(uninstall-modules) $(uninstall-objects)
+	@rmdir --ignore-fail-on-non-empty $(DESTDIR) 2> /dev/null || true
 ifeq ($(firstword $(MAKEFILE_LIST)),Makefile.old)
 cleanup: $(cleanup-modules) $(cleanup-objects)
 	@rmdir --ignore-fail-on-non-empty $(DESTDIR) 2> /dev/null || true
 else
-cleanup: export NEWLIST = $(objects)
+cleanup: export NEWOBJS = $(objects)
+cleanup: export NEWMODS = $(modules)
 cleanup:
 	@$(MAKE) -s -f Makefile.old cleanup
 
@@ -60,6 +66,8 @@ reverse:
 	@$(MAKE) -s -C ../ reverse
 cleanup:
 	@$(MAKE) -s -C ../ cleanup
+uninstall:
+	@$(MAKE) -s -C ../ uninstall
 endif
 
 $(modules): %:
@@ -85,14 +93,16 @@ $(reverse-modules): reverse-%:
 	@$(MAKE) -s -C $* reverse MKDPREFIX=$(MKDPREFIX)$*/
 
 $(cleanup-objects): cleanup-%:
-	@$(if $(findstring $*,$(NEWLIST)),, \
+	@$(if $(findstring $*,$(NEWOBJS)),, \
 		@$(if $(call older,$*), \
 	 		echo -e "$(FG_RED)+ $(FG_YEL)$(MKDPREFIX)$*$(CLR_RE)", \
 			echo -e "$(FG_GRE)- $(FG_YEL)$(MKDPREFIX)$*$(CLR_RE)"; \
 			unlink "$(DESTDIR)/$*" || true))
 
 $(cleanup-modules): cleanup-%:
-	@$(MAKE) -C $* cleanup MKDPREFIX=$(MKDPREFIX)$*/
+	@$(if $(findstring $*,$(NEWMODS)), \
+		@$(MAKE) -C $* cleanup MKDPREFIX=$(MKDPREFIX)$*/, \
+		@$(MAKE) -C $* uninstall MKDPREFIX=$(MKDPREFIX)$*/)
 
 $(check-objects): check-%:
 	@$(if $(call newer,$*), \
@@ -104,5 +114,14 @@ $(check-objects): check-%:
 $(check-modules): check-%:
 	@$(MAKE) -s -C $* check MKDPREFIX=$(MKDPREFIX)$*/
 
+$(uninstall-objects): uninstall-%:
+	@$(if $(call older,$*), \
+		echo -e "$(FG_RED)+ $(FG_YEL)$(MKDPREFIX)$*$(CLR_RE)", \
+		echo -e "$(FG_GRE)- $(FG_YEL)$(MKDPREFIX)$*$(CLR_RE)"; \
+		unlink "$(DESTDIR)/$*" || true)
+
+$(uninstall-modules): uninstall-%:
+	@$(MAKE) -s -C $* uninstall MKDPREFIX=$(MKDPREFIX)$*/
+
 $(filter %.elc,$(objects)): %.elc: %.el
 	$(call compile,$^)