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-rwxr-xr-xmodules.d/98dracut-systemd/dracut-pre-pivot.sh29
1 files changed, 29 insertions, 0 deletions
diff --git a/modules.d/98dracut-systemd/dracut-pre-pivot.sh b/modules.d/98dracut-systemd/dracut-pre-pivot.sh
new file mode 100755
index 0000000..8bf2325
--- /dev/null
+++ b/modules.d/98dracut-systemd/dracut-pre-pivot.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+export DRACUT_SYSTEMD=1
+if [ -f /dracut-state.sh ]; then
+ . /dracut-state.sh 2> /dev/null
+fi
+type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh
+
+source_conf /etc/conf.d
+
+make_trace_mem "hook pre-pivot" '1:shortmem' '2+:mem' '3+:slab'
+# pre pivot scripts are sourced just before we doing cleanup and switch over
+# to the new root.
+getarg 'rd.break=pre-pivot' 'rdbreak=pre-pivot' && emergency_shell -n pre-pivot "Break before pre-pivot"
+source_hook pre-pivot
+
+# pre pivot cleanup scripts are sourced just before we switch over to the new root.
+getarg 'rd.break=cleanup' 'rdbreak=cleanup' && emergency_shell -n cleanup "Break before cleanup"
+source_hook cleanup
+
+_bv=$(getarg rd.break -d rdbreak) && [ -z "$_bv" ] \
+ && emergency_shell -n switch_root "Break before switch_root"
+unset _bv
+
+# remove helper symlink
+[ -h /dev/root ] && rm -f -- /dev/root
+[ -h /dev/nfs ] && rm -f -- /dev/nfs
+
+exit 0