From 18f45dd85c9106cc4efce21b86800748a6fdb1cd Mon Sep 17 00:00:00 2001
From: grmat <grmat@sub.red>
Date: Tue, 9 Oct 2018 15:38:54 +0200
Subject: [PATCH] genfstab: add support for PARTUUIDs

---
 genfstab.in | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/genfstab.in b/genfstab.in
index 7663522..1067504 100644
--- a/genfstab.in
+++ b/genfstab.in
@@ -5,10 +5,11 @@ shopt -s extglob
 m4_include(common)
 
 write_source() {
-  local src=$1 spec= label= uuid= comment=()
+  local src=$1 spec= label= uuid= partuuid= comment=()
 
   label=$(lsblk -rno LABEL "$1" 2>/dev/null)
   uuid=$(lsblk -rno UUID "$1" 2>/dev/null)
+  partuuid=$(lsblk -rno PARTUUID "$1" 2>/dev/null)
 
   # bind mounts do not have a UUID!
 
@@ -26,8 +27,14 @@ write_source() {
       comment=("$src")
       [[ $label ]] && comment+=("LABEL=$(mangle "$label")")
       ;;
+    PARTUUID)
+      spec=$partuuid
+      comment=("$src")
+      [[ $label ]] && comment+=("LABEL=$(mangle "$label")")
+      ;;
     *)
       [[ $uuid ]] && comment=("$1" "UUID=$uuid")
+      [[ $partuuid ]] && comment=("$1" "PARTUUID=$partuuid")
       [[ $label ]] && comment+=("LABEL=$(mangle "$label")")
       [[ $bytag ]] && spec=$(lsblk -rno "$bytag" "$1" 2>/dev/null)
       ;;
@@ -85,6 +92,7 @@ usage: ${0##*/} [options] root
     -P             Include pseudofs mounts
     -t TAG         Use TAG for source identifiers
     -U             Use UUIDs for source identifiers (shortcut for -t UUID)
+    -u             Use PARTUUIDs for source identifiers (shortcut for -t PARTUUID)
 
     -h             Print this help message
 
@@ -99,7 +107,7 @@ if [[ -z $1 || $1 = @(-h|--help) ]]; then
   exit $(( $# ? 0 : 1 ))
 fi
 
-while getopts ':f:LPpt:U' flag; do
+while getopts ':f:LPpt:Uu' flag; do
   case $flag in
     L)
       bytag=LABEL
@@ -107,6 +115,9 @@ while getopts ':f:LPpt:U' flag; do
     U)
       bytag=UUID
       ;;
+    u)
+      bytag=PARTUUID
+      ;;
     f)
       prefixfilter=$OPTARG
       ;;
-- 
2.19.1