From 980fb27ad110bbaf53e1bcf2d5be53d62d986c9a Mon Sep 17 00:00:00 2001
From: "Erich E. Hoover" <erich.e.hoover@gmail.com>
Date: Mon, 9 Apr 2018 09:57:43 -0600
Subject: [PATCH] pbuilder-modules: make bind mounts private on Linux

Running multiple builders in parallel with ccache enabled results in
one builder unmounting the ccache directory of the other builders.

Based upon an idea from Philipp Hahn <hahn@univention.de>.

Closes: #609427
Signed-off-by: Erich E. Hoover <erich.e.hoover@gmail.com>
---
 pbuilder-modules | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pbuilder-modules b/pbuilder-modules
index e67f82e3..e7cad591 100644
--- a/pbuilder-modules
+++ b/pbuilder-modules
@@ -454,6 +454,7 @@ function mountproc () {
         mounted[${#mounted[@]}]="$BUILDPLACE/servers"
     fi
     MOUNTPARAMS="-obind"
+    [ "$DEB_BUILD_ARCH_OS" = "linux" ] && MOUNTPARAMS="${MOUNTPARAMS} --make-private"
     [ "$DEB_BUILD_ARCH_OS" = "kfreebsd" ] && MOUNTPARAMS="-t nullfs"
     for mnt in $BINDMOUNTS; do
         mntpoint=${mnt#*:}
-- 
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