From e3c9db7a2ba4f9a53f95dd5a2095d3085dfc055c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Sat, 7 Jan 2012 19:48:32 +0100
Subject: Fix unconditional overwriting of /etc/apt/preferences.d/progress.pref
 in progress mode.

---
 scripts/build/lb_chroot_apt | 41 ++++++++++++++++++++++-------------------
 1 file changed, 22 insertions(+), 19 deletions(-)

(limited to 'scripts')

diff --git a/scripts/build/lb_chroot_apt b/scripts/build/lb_chroot_apt
index 81990b12f..565cb0a64 100755
--- a/scripts/build/lb_chroot_apt
+++ b/scripts/build/lb_chroot_apt
@@ -148,29 +148,31 @@ case "${1}" in
 
 		case "${LB_MODE}" in
 			progress)
-				echo "# /etc/apt/preferences.d/progress.pref" > chroot/etc/apt/preferences.d/progress.pref
-
-				case "${LB_DISTRIBUTION}" in
-					*-backports)
-						_DISTRIBUTIONS="$(echo ${LB_DISTRIBUTION} | sed -e 's|-backports||') ${LB_DISTRIBUTION}"
-						;;
-
-					*)
-						_DISTRIBUTIONS="${LB_DISTRIBUTION}"
-						;;
-				esac
-
-				if [ "${LB_SECURITY}" = "true" ]
+				if [ ! -e chroot/etc/apt/preferences.d/progress.pref ]
 				then
+					echo "# /etc/apt/preferences.d/progress.pref" > chroot/etc/apt/preferences.d/progress.pref
+
 					case "${LB_DISTRIBUTION}" in
-						artax)
-							_DISTRIBUTION="${_DISTRIBUTION} ${LB_DISTRIBUTION}-security"
+						*-backports)
+							_DISTRIBUTIONS="$(echo ${LB_DISTRIBUTION} | sed -e 's|-backports||') ${LB_DISTRIBUTION}"
+							;;
+
+						*)
+							_DISTRIBUTIONS="${LB_DISTRIBUTION}"
 							;;
 					esac
-				fi
 
-				for _DISTRIBUTION in ${_DISTRIBUTIONS}
-				do
+					if [ "${LB_SECURITY}" = "true" ]
+					then
+						case "${LB_DISTRIBUTION}" in
+							artax)
+								_DISTRIBUTION="${_DISTRIBUTION} ${LB_DISTRIBUTION}-security"
+								;;
+						esac
+					fi
+
+					for _DISTRIBUTION in ${_DISTRIBUTIONS}
+					do
 
 cat >> chroot/etc/apt/preferences.d/progress.pref << EOF
 
@@ -179,7 +181,8 @@ Pin: release n=${_DISTRIBUTION}
 Pin-Priority: 999
 EOF
 
-				done
+					done
+				fi
 				;;
 		esac
 
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