ce_smudge_racily_clean_entry: explain why it works.

diff --git a/templates/Makefile b/templates/Makefile
index 776e6c80097ff5e56659b36c8bf22194c8b9dace..8f7f4fec34ad76b85d61f20821f18a1d3ca9a3b2 100644 (file)
--- a/templates/Makefile
+++ b/templates/Makefile
@@ -1,17 +1,25 @@
 # make and install sample templates
 
-INSTALL=install
-prefix=$(HOME)
-template_dir=$(prefix)/share/git-core/templates/
+INSTALL ?= install
+TAR ?= tar
+prefix ?= $(HOME)
+template_dir ?= $(prefix)/share/git-core/templates/
 # DESTDIR=
 
-all: boilerplates custom
-       find blt
+# Shell quote;
+# Result of this needs to be placed inside ''
+shq = $(subst ','\'',$(1))
+# This has surrounding ''
+shellquote = '$(call shq,$(1))'
+
+all: boilerplates.made custom
 
 # Put templates that can be copied straight from the source
 # in a file direc--tory--file in the source.  They will be
 # just copied to the destination.
-boilerplates:
+
+bpsrc = $(filter-out %~,$(wildcard *--*))
+boilerplates.made : $(bpsrc)
        ls *--* 2>/dev/null | \
        while read boilerplate; \
        do \
@@ -24,6 +32,7 @@ boilerplates:
                *) cp $$boilerplate blt/$$dst ;; \
                esac || exit; \
        done || exit
+       date >$@
 
 # If you need build-tailored templates, build them into blt/
 # directory yourself here.
@@ -31,8 +40,9 @@ custom:
        : no custom templates yet
 
 clean:
-       rm -rf blt
+       rm -rf blt boilerplates.made
 
 install: all
-       $(INSTALL) -d -m755 $(DESTDIR)$(template_dir)
-       tar Ccf blt - . | tar Cxf $(DESTDIR)$(template_dir) -
+       $(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(template_dir))
+       (cd blt && $(TAR) cf - .) | \
+       (cd $(call shellquote,$(DESTDIR)$(template_dir)) && $(TAR) xf -)