Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/recipes-core/volatile-binds/files/mount-copybind b/meta/recipes-core/volatile-binds/files/mount-copybind
new file mode 100755
index 0000000..2aeaf84
--- /dev/null
+++ b/meta/recipes-core/volatile-binds/files/mount-copybind
@@ -0,0 +1,34 @@
+#!/bin/sh
+#
+# Perform a bind mount, copying existing files as we do so to ensure the
+# overlaid path has the necessary content.
+
+if [ $# -lt 2 ]; then
+ echo >&2 "Usage: $0 spec mountpoint [OPTIONS]"
+ exit 1
+fi
+
+spec=$1
+mountpoint=$2
+
+if [ $# -gt 2 ]; then
+ options=$3
+else
+ options=
+fi
+
+[ -n "$options" ] && options=",$options"
+
+mkdir -p "${spec%/*}"
+if [ -d "$mountpoint" ]; then
+ if [ ! -d "$spec" ]; then
+ mkdir "$spec"
+ cp -pPR "$mountpoint"/. "$spec/"
+ fi
+elif [ -f "$mountpoint" ]; then
+ if [ ! -f "$spec" ]; then
+ cp -pP "$mountpoint" "$spec"
+ fi
+fi
+
+mount -o "bind$options" "$spec" "$mountpoint"