From 0e29099e607ed4a337fb4d6c6e2f3614162f8fda Mon Sep 17 00:00:00 2001
From: Gardouille <gardouille@gmail.com>
Date: Wed, 3 Apr 2019 14:58:04 +0200
Subject: [PATCH] Create symlinks for mapper and volume group dir

---
 debian/chroot.install | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/debian/chroot.install b/debian/chroot.install
index 2c05c7e..6b2a9aa 100755
--- a/debian/chroot.install
+++ b/debian/chroot.install
@@ -146,5 +146,25 @@ done
 ### Fix group of LV
 chgrp disk -- /target/dev/dm-*
 ## }}}
+## Create symlinks to LV
+### Get the list of all LV
+tmp_list_lv="/tmp/lv.rescue.list"
+find /dev/"${vgname}" -maxdepth 1 -type l -printf "%f\\n" > "${tmp_list_lv}"
+
+### Create Volume Group and mapper directories
+mkdir -p -- /target/dev/"${vgname}"
+mkdir -p -- /target/dev/mapper
+
+### For each LV
+while IFS= read -r LV_NAME
+do
+
+	#### Create symlink in Volume Group directory on the target system (eg. /dev/mapper/ovhsys/home -> ../dm-0)
+	[ -L /target/dev/"${vgname}/${LV_NAME}" ]        || ln -fs -- $(readlink /dev/"${vgname}/${LV_NAME}") /target/dev/"${vgname}/${LV_NAME}"
+
+	#### Create symlink in mapper directory on the target system (eg. /dev/mapper/mapper/ovhsys-home -> ../dm-0)
+	[ -L /target/dev/mapper/"${vgname}-${LV_NAME}" ] || ln -fs -- $(readlink /dev/"${vgname}/${LV_NAME}") /target/dev/mapper/"${vgname}-${LV_NAME}"
+done < "${tmp_list_lv}"
+rm -f -- "${tmp_list_lv}"
 
 # }}}