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

3 files changed, 10 insertions, 14 deletions

diff --git a/doc/apt-verbatim.ent b/doc/apt-verbatim.ent
index 0d0d95c7a..30b0c7fe0 100644
--- a/doc/apt-verbatim.ent
+++ b/doc/apt-verbatim.ent
@@ -221,11 +221,11 @@
 <!-- this will be updated by 'prepare-release' -->
 <!ENTITY apt-product-version "0.9.7.6ubuntu2">
 
-<!-- Codenames for debian releases -->
+<!-- (Code)names for various things used all over the place -->
 <!ENTITY oldstable-codename "squeeze">
 <!ENTITY stable-codename "wheezy">
 <!ENTITY testing-codename "jessie">
-<!ENTITY stable-version "7.0">
+<!ENTITY stable-version "7">
 <!ENTITY ubuntu-codename "precise">
 
 <!-- good and bad just refers to matching and not matching a pattern…
diff --git a/doc/examples/sources.list.in b/doc/examples/sources.list.in
deleted file mode 100644
index 745e32cbe..000000000
--- a/doc/examples/sources.list.in
+++ /dev/null
@@ -1,8 +0,0 @@
-# See sources.list(5) manpage for more information
-# Remember that CD-ROMs, DVDs and such are managed through the apt-cdrom tool.
-deb http://ftp.us.debian.org/debian &stable-codename; main contrib non-free
-deb http://security.debian.org &stable-codename;/updates main contrib non-free
-
-# Uncomment if you want the apt-get source function to work
-#deb-src http://ftp.us.debian.org/debian &stable-codename; main contrib non-free
-#deb-src http://security.debian.org &stable-codename;/updates main contrib non-free
diff --git a/doc/makefile b/doc/makefile
index 274fbc278..ebaca908f 100644
--- a/doc/makefile
+++ b/doc/makefile
@@ -12,8 +12,9 @@ include $(DEBIANDOC_H)
 
 doc: manpages debiandoc
 
-examples/sources.list: examples/sources.list.in apt-verbatim.ent
-	sed -e 's#&stable-codename;#$(shell grep --max-count=1 '^<!ENTITY stable-codename "' apt-verbatim.ent | cut -d'"' -f 2)#g' examples/sources.list.in > examples/sources.list
+examples/sources.list: ../vendor/current/sources.list
+	ln -sf $(shell readlink -f $^) $@
+
 
 # Examples
 SOURCE = examples/apt.conf examples/sources.list examples/configure-index examples/apt-https-method-example.conf
@@ -23,8 +24,8 @@ include $(COPY_H)
 
 .PHONY: clean clean/subdirs veryclean veryclean/subdirs manpages/subdirs debiandoc/subdirs all binary doc stats
 
-clean: clean/subdirs
-veryclean: veryclean/subdirs
+clean: clean/subdirs clean/examples
+veryclean: veryclean/subdirs clean/examples
 manpages: manpages/subdirs
 debiandoc: debiandoc/subdirs
 
@@ -41,6 +42,9 @@ debiandoc/subdirs manpages/subdirs clean/subdirs veryclean/subdirs:
 		$(MAKE) -C $$dir $(patsubst %/subdirs,%,$@); \
 	done
 
+clean/examples:
+	rm -f examples/sources.list
+
 stats:
 	for i in po/*.po; do echo -n "$$i: "; msgfmt --output-file=/dev/null --statistics $$i; done