From 5578edcf252f2e70aa1e143a171e2ed646133878 Mon Sep 17 00:00:00 2001
From: Lucas Affonso Xavier de Morais
Date: Tue, 12 Aug 2014 12:13:54 -0300
Subject: [partitioner] existent partitions detection working for GPT and
 MSDOS. TODO: Create the nonexistent partitions if there is enough freespace.

---
 remote/modules/partitioner/partitioner.sh | 50 ++++++++++++++++++-------------
 1 file changed, 29 insertions(+), 21 deletions(-)

diff --git a/remote/modules/partitioner/partitioner.sh b/remote/modules/partitioner/partitioner.sh
index 5822851a..f2a7dfc3 100755
--- a/remote/modules/partitioner/partitioner.sh
+++ b/remote/modules/partitioner/partitioner.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+# set -e
 
 PARTITIONSPATH="/proc/partitions"
 CONFIGPATH="./config"
@@ -84,11 +84,13 @@ if [ -n "$SLX_PARTITION_TABLE" ]; then
     else
       PARTTBL["$SLX_CHOOSEN_DISK$COUNTER/bootable"]=1
     fi
-    PARTTBL["$SLX_CHOOSEN_DISK$COUNTER/exists?"]=0
+    # set the partitions to non-existents
+    PARTTBL["$SLX_CHOOSEN_DISK$COUNTER/exists"]=0
     COUNTER=$(($COUNTER+1))
   done
+  unset IFS
 fi
-unset IFS
+# PARTTBL starts at 1 and ends at COUNTER-1
 
 # check if the choosen disk is greater than the new partition table size.
 DISKSIZE=$(($(cat $PARTITIONSPATH | grep -e $SLX_CHOOSEN_DISK$ | tr -s ' ' | cut -d ' ' -f4)*$BLOCKSIZE))
@@ -174,51 +176,57 @@ if [ $SLX_DELETE_PARTITION_TABLE = "yes" ]; then
   sfdisk -q -f /dev/$SLX_CHOOSEN_DISK < /tmp/partitiontable.tmp > /dev/null
   # rm -f /tmp/partitiontable.tmp
 elif [ $(sfdisk -d /dev/$SLX_CHOOSEN_DISK 2> /dev/null | grep $SLX_CHOOSEN_DISK'1' | tr -s ' ' | cut -d ' ' -f7 | cut -d '=' -f2) = 'ee' ]; then
-
 # finding existent partitions in GPT
   echo 'GPT'
   PARTS=$(cat $PARTITIONSPATH | grep -e $SLX_CHOOSEN_DISK[0-9] | tr -s ' ' | cut -d ' ' -f5)  # this line fix the empty PARTS error, continue from here
-  echo $PARTS
   for PART in $PARTS; do
-    for (( i = 1; i < $(($COUNTER-1)); i++ )); do
+    for (( i = 1; i < $COUNTER; i++ )); do
+      echo "i=$i PART=$PART"
       if [ $i -ne 4 ]; then
-        if [ ${PARTTBL["$SLX_CHOOSEN_DISK$i/exists?"]} -ne 1 ]; then
-          echo "sgdisk /dev/$SLX_CHOOSEN_DISK -i $i | grep \"unique GUID\" | cut -d ' ' -f4 | grep '${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}000000-0000-0000-0000-000000000000'"
-          sgdisk /dev/$SLX_CHOOSEN_DISK -i $i | grep "unique GUID" | cut -d ' ' -f4 | grep '${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}000000-0000-0000-0000-000000000000'
+        if [ ${PARTTBL["$SLX_CHOOSEN_DISK$i/exists"]} = 0 ]; then
+          echo "sgdisk /dev/$SLX_CHOOSEN_DISK -i ${PART:3} | grep '${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}000000-0000-0000-0000-000000000000'"
+          sgdisk /dev/$SLX_CHOOSEN_DISK -i ${PART:3} | grep ${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}"000000-0000-0000-0000-000000000000"
           if [ $? -eq 0 ]; then
             echo "the partition $PART is the ${PARTTBL["$SLX_CHOOSEN_DISK$i/mountpoint"]} partition."
-            PARTTBL["$SLX_CHOOSEN_DISK$COUNTER/exists?"]=1
-            echo 'boa tarde1'
+            PARTTBL["$SLX_CHOOSEN_DISK$i/exists"]=$PART
+            break
           fi
         fi
       fi
-      i=$(($i+1))
     done
   done
+  # FREESPACE needed here
 else
 # finding existent partitions in MS-DOS
+  echo 'MSDOS'
+  PARTS=$(cat $PARTITIONSPATH | grep -e $SLX_CHOOSEN_DISK[0-9] | tr -s ' ' | cut -d ' ' -f5)  # this line fix the empty PARTS error, continue from here
   for PART in $PARTS; do
-    for (( i = 1; i < $(($COUNTER-1)); i++ )); do
+    for (( i = 1; i < $COUNTER; i++ )); do
+      echo "i=$i PART=$PART"
       if [ $i -ne 4 ]; then
-        [ sfdisk -d /dev/$SLX_CHOOSEN_DISK | grep $PART | tr -s ' ' | cut -d ' ' -f7 | cut -d '=' -f2 = '${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}' ]
-        if [ $? -eq 0 ]; then
-          PARTTBL["$SLX_CHOOSEN_DISK$COUNTER/exists?"]=1
-          break;
+        if [ ${PARTTBL["$SLX_CHOOSEN_DISK$i/exists"]} = 0 ]; then
+          echo "sfdisk -d /dev/$SLX_CHOOSEN_DISK 2> /dev/null | grep $PART | tr -s ' ' | cut -d ' ' -f7 | grep ${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}"
+          sfdisk -d /dev/$SLX_CHOOSEN_DISK 2> /dev/null | grep $PART | tr -s ' ' | cut -d ' ' -f7 | grep ${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}
+          if [ $? -eq 0 ]; then
+            echo "the partition $PART is the ${PARTTBL["$SLX_CHOOSEN_DISK$i/mountpoint"]} partition."
+            PARTTBL["$SLX_CHOOSEN_DISK$i/exists"]=$PART
+            break
+          fi
         fi
       fi
-      i=$(($i+1))
     done
   done
 fi
 
 DIALOGSTR="New partitions created:\n\n"
-echo "SLX_PARTITION_TYPE = "$SLX_PARTITION_TYPE
 if [ $SLX_PARTITION_TYPE = 'GPT' ]; then
-  # create the command that will convert the MSDOS type to GPT and change the unique GUIDs
+  # create the command (CMD) that will convert the MSDOS type to GPT and change the unique GUIDs
   CMD="sgdisk -g /dev/$SLX_CHOOSEN_DISK"
   for (( i = 1; i < $COUNTER; i++ )); do
     if [ $i -ne 4 ]; then
-      CMD=$CMD" -u "$i":"${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}"000000-0000-0000-0000-000000000000"
+      if [ ${PARTTBL["$SLX_CHOOSEN_DISK$i/exists"]} = 0 ]; then
+        CMD=$CMD" -u "$i":"${PARTTBL["$SLX_CHOOSEN_DISK$i/id"]}"000000-0000-0000-0000-000000000000"
+      fi
       CMD=$CMD" -c "$i":\""${PARTTBL["$SLX_CHOOSEN_DISK$i/mountpoint"]}"\""
     fi
   done
-- 
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