73 lines
3.1 KiB
Diff
73 lines
3.1 KiB
Diff
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From 44d1688164040f088fd66fb8a2d458e1f61836ce Mon Sep 17 00:00:00 2001
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From: Frederick Grose <fgrose@sugarlabs.org>
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Date: Mon, 3 Sep 2018 19:02:23 -0400
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Subject: [PATCH] dmsquash-live-root: Manage absent overlayfs module better.
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die when required; systemctl reload otherwise.
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---
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modules.d/90dmsquash-live/dmsquash-live-root.sh | 26 +++++++++++++++----------
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1 file changed, 16 insertions(+), 10 deletions(-)
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diff --git a/modules.d/90dmsquash-live/dmsquash-live-root.sh b/modules.d/90dmsquash-live/dmsquash-live-root.sh
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index 330ba3e9..6324fe83 100755
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--- a/modules.d/90dmsquash-live/dmsquash-live-root.sh
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+++ b/modules.d/90dmsquash-live/dmsquash-live-root.sh
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@@ -146,10 +146,10 @@ do_live_overlay() {
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[ -d /run/initramfs/overlayfs/ovlwork ]; then
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ln -s /run/initramfs/overlayfs/overlayfs /run/overlayfs$opt
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ln -s /run/initramfs/overlayfs/ovlwork /run/ovlwork$opt
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- if [ -z "$overlayfs" ]; then
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- overlayfs="yes"
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- [ -n "$DRACUT_SYSTEMD" ] && reloadsysrootmountunit=":>/xor_overlayfs;"
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+ if [ -z "$overlayfs" ] && [ -n "$DRACUT_SYSTEMD" ]; then
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+ reloadsysrootmountunit=":>/xor_overlayfs;"
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fi
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+ overlayfs="required"
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setup="yes"
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fi
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fi
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@@ -157,18 +157,24 @@ do_live_overlay() {
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[ -d /run/initramfs/overlayfs$pathspec/../ovlwork ]; then
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ln -s /run/initramfs/overlayfs$pathspec /run/overlayfs$opt
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ln -s /run/initramfs/overlayfs$pathspec/../ovlwork /run/ovlwork$opt
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- if [ -z "$overlayfs" ]; then
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- overlayfs="yes"
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- [ -n "$DRACUT_SYSTEMD" ] && reloadsysrootmountunit=":>/xor_overlayfs;"
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+ if [ -z "$overlayfs" ] && [ -n "$DRACUT_SYSTEMD" ]; then
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+ reloadsysrootmountunit=":>/xor_overlayfs;"
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fi
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+ overlayfs="required"
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setup="yes"
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fi
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fi
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if [ -n "$overlayfs" ]; then
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modprobe overlay
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if [ $? != 0 ]; then
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+ if [ "$overlayfs" = required ]; then
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+ die "OverlayFS is required but not available."
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+ exit 1
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+ fi
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+ [ -n "$DRACUT_SYSTEMD" ] && reloadsysrootmountunit=":>/xor_overlayfs;"
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m='OverlayFS is not available; using temporary Device-mapper overlay.'
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- unset -v overlayfs setup reloadsysrootmountunit
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+ info $m
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+ unset -v overlayfs setup
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fi
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fi
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@@ -302,10 +308,10 @@ if [ -e "$SQUASHED" ]; then
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fi
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elif [ -d /run/initramfs/squashfs/proc ]; then
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FSIMG=$SQUASHED
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- if [ -z "$overlayfs" ]; then
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- overlayfs="yes"
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- [ -n "$DRACUT_SYSTEMD" ] && reloadsysrootmountunit=":>/xor_overlayfs;"
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+ if [ -z "$overlayfs" ] && [ -n "$DRACUT_SYSTEMD" ]; then
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+ reloadsysrootmountunit=":>/xor_overlayfs;"
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fi
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+ overlayfs="required"
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else
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die "Failed to find a root filesystem in $SQUASHED."
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exit 1
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