Hi there,
fake-overlayfs help text reads:
'fake an overlay filesystem like unionfs by copying the original
content to a tmpfs.'
However it does not seem to do so. Bellow is attempt to fix that.
1) /usr/sbin/fake-overlayfs does not seem to mount tmpfs
2) with MountFlags=private is tmpfs mount invisible for the rest of system
3) perhaps use /run only with systemd?
Comments welcome,
ladis
diff --git a/projectroot/usr/lib/systemd/system/fake-overlayfs.service
b/projectroot/usr/lib/systemd/system/fake-overlayfs.service
index daa6fd03f..818d624b9 100644
--- a/projectroot/usr/lib/systemd/system/fake-overlayfs.service
+++ b/projectroot/usr/lib/systemd/system/fake-overlayfs.service
@@ -1,11 +1,10 @@
[Unit]
Description=Fake Overlay Filesystem
DefaultDependencies=no
-After=local-fs.target
+Before=local-fs.target
Requires=local-fs.target
[Service]
Type=oneshot
-RemainAfterExit=no
+RemainAfterExit=yes
ExecStart=/usr/sbin/fake-overlayfs
-MountFlags=private
diff --git a/projectroot/usr/sbin/fake-overlayfs
b/projectroot/usr/sbin/fake-overlayfs
index b6692c578..de852b520 100644
--- a/projectroot/usr/sbin/fake-overlayfs
+++ b/projectroot/usr/sbin/fake-overlayfs
@@ -2,7 +2,7 @@
OVERLAY_DIRS="@OVERLAY_DIRLIST@"
-bdir=/tmp/.fake-overlay-root
+bdir=/run/.fake-overlay-root
mkdir $bdir
mount -o bind,private / $bdir
@@ -14,10 +14,9 @@ while [ $# -gt 0 ]; do
shift
continue
fi
- echo $1
src="$bdir$1"
- dst="$1/"
- test -e "$dst" || mkdir $dst
+ dst=$1
+ mount -t tmpfs tmpfs $dst
cp -a "$src/"* "$src/".[^.]* "$src/"..?* $dst 2> /dev/null
shift
done
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