From eef71f11a5836eb82df133cb4e24cb4806642188 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Sat, 30 Nov 2013 14:01:28 +0100
Subject: introduce a vendor system to change sources.list

Many derivatives make quiet a few simple changes to apt introducing
silly diffs just to change examples and co making it harder for
them to update apt and harder for us to merge real changes back.

First stop: doc/examples/sources.list
---
 vendor/makefile | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 vendor/makefile

(limited to 'vendor/makefile')

diff --git a/vendor/makefile b/vendor/makefile
new file mode 100644
index 000000000..a6d53abd0
--- /dev/null
+++ b/vendor/makefile
@@ -0,0 +1,42 @@
+# -*- make -*-
+BASE=..
+SUBDIR=vendor
+
+# Bring in the default rules
+include ../buildlib/defaults.mak
+
+all headers library binary program doc manpages debiandoc test update-po startup dirs: current
+all: all/subdirs
+binary: binary/subdirs
+doc: doc/subdirs
+clean: clean/subdirs
+veryclean: veryclean/subdirs
+dirs: dirs/subdirs
+
+all/subdirs binary/subdirs doc/subdirs dirs/subdirs:
+	$(MAKE) -C current $(patsubst %/subdirs,%,$@)
+
+clean/subdirs veryclean/subdirs:
+	test ! -e current || $(MAKE) -C current $(patsubst %/subdirs,%,$@)
+
+current:
+	rm -f $@
+	# search for an exact match to use the correct sources.list example
+	find -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 2 | while read DISTRO; do \
+		if dpkg-vendor --is $$DISTRO; then \
+			ln -s $$DISTRO $@; \
+			break; \
+		fi; \
+	done
+	# if we haven't found a specific, look for a deriving in hardcoded order
+	test -e $@ || \
+		(dpkg-vendor --derives-from ubuntu && cp ln -s ubuntu $@ ) || \
+		ln -s debian $@
+
+.PHONY: clean veryclean all binary vendor
+
+clean: clean/current
+
+clean/current:
+	test ! -e current || $(MAKE) -C current clean
+	rm -f current
-- 
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