From b2af898af134153bb1b6a9da96693a4092a896ca Mon Sep 17 00:00:00 2001
From: Holger Levsen <holger@layer-acht.org>
Date: Wed, 23 Sep 2015 00:27:29 +0200
Subject: reproducible: use disorderfs on every 2nd build

---
 .../etc/pbuilder/rebuild-hooks/B01_cleanup              | 15 +++++++++++++++
 .../etc/pbuilder/rebuild-hooks/C01_cleanup              | 15 +++++++++++++++
 .../etc/pbuilder/rebuild-hooks/D01_modify_environment   | 17 +++++++++++++++--
 3 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100755 hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/B01_cleanup
 create mode 100755 hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/C01_cleanup

(limited to 'hosts/wbq0-armhf-rb')

diff --git a/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/B01_cleanup b/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/B01_cleanup
new file mode 100755
index 00000000..c60a991c
--- /dev/null
+++ b/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/B01_cleanup
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -e
+
+# exit if we are in the same UTS namespace as init ( != 2nd build )
+[ "$(readlink /proc/1/ns/uts)" = "$(readlink /proc/self/ns/uts)" ] && exit 0
+
+# cease using disorderfs
+if [ -d /tmp/disorderfs ] ; then
+	echo -n "Unmounting /tmp/disorderfs…"
+	fusermount -u /tmp/buildd
+	rmdir /tmp/buildd
+	mv /tmp/disorderfs /tmp/buildd
+	echo " done."
+fi
diff --git a/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/C01_cleanup b/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/C01_cleanup
new file mode 100755
index 00000000..c60a991c
--- /dev/null
+++ b/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/C01_cleanup
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -e
+
+# exit if we are in the same UTS namespace as init ( != 2nd build )
+[ "$(readlink /proc/1/ns/uts)" = "$(readlink /proc/self/ns/uts)" ] && exit 0
+
+# cease using disorderfs
+if [ -d /tmp/disorderfs ] ; then
+	echo -n "Unmounting /tmp/disorderfs…"
+	fusermount -u /tmp/buildd
+	rmdir /tmp/buildd
+	mv /tmp/disorderfs /tmp/buildd
+	echo " done."
+fi
diff --git a/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/D01_modify_environment b/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/D01_modify_environment
index d9550045..06979737 100755
--- a/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/D01_modify_environment
+++ b/hosts/wbq0-armhf-rb/etc/pbuilder/rebuild-hooks/D01_modify_environment
@@ -2,11 +2,24 @@
 
 set -e
 
-# exit if we are in the same UTS namespace than init
+# exit if we are in the same UTS namespace as init ( != 2nd build )
 [ "$(readlink /proc/1/ns/uts)" = "$(readlink /proc/self/ns/uts)" ] && exit 0
 
-echo "I: Changing hostname to test build reproducibility" >&2
+echo "I: Changing host+domainname to test build reproducibility" >&2
 sed -e '/^127.0.0.1/s/$/ i-capture-the-hostname i-capture-the-hostname.i-capture-the-domain/' -i /etc/hosts
 hostname i-capture-the-hostname
 domainname i-capture-the-domain
+echo "I: Adding a custom variable just for the fun of it..." >&2
 export CAPTURE_ENVIRONMENT="I capture the environment"
+
+# use disorderfs
+if [ -x /usr/bin/disorderfs ] ; then
+	echo -n "Moving /tmp/buildd to /tmp/disorderfs and mounting this as /tmp/buildd via the fuse disorderfs…"
+	mknod -m 666 /dev/fuse c 10 229
+	mv /tmp/buildd /tmp/disorderfs
+	mkdir /tmp/buildd
+	disorderfs --multi-user=yes /tmp/disorderfs /tmp/buildd
+	echo " done."
+else
+	echo "Warning: disorderfs not available."
+fi
-- 
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