From: Evgeniy Ivanov <lolkaantimat@gmail.com>
Date: Tue, 7 Feb 2012 15:14:27 +0000 (+0400)
Subject: Support reinstall and new boot.
X-Git-Tag: v3.2.0~57
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=6f88dc8713c2b958f9fd5d0139c9b63cc0e312a9;p=minix.git

Support reinstall and new boot.
---

diff --git a/commands/setup/setup.sh b/commands/setup/setup.sh
index f4959fe97..bc72ccf5d 100644
--- a/commands/setup/setup.sh
+++ b/commands/setup/setup.sh
@@ -12,6 +12,7 @@ LOCALRC=/usr/etc/rc.local
 MYLOCALRC=/mnt/etc/rc.local
 ROOTMB=64
 ROOTSECTS="`expr $ROOTMB '*' 1024 '*' 2`"
+BOOTXXSECTS=32
 USRKBFILE=/.usrkb
 if [ ! -f "$USRKBFILE" ]
 then	echo "Are you really running from CD?"
@@ -391,11 +392,21 @@ else
 	ROOTMB="`expr $ROOTSECTS / 2048`"
 	if [ $ROOTSECTS -ne $ROOTSECTSDEFAULT ]
 	then
+		# Check if we 
 		echo "Root partition size `expr $ROOTSECTS / 2`kb differs from default `expr $ROOTSECTSDEFAULT / 2`kb."
 		echo "This is not a problem, but you may want to do a fresh install at some point to"
 		echo "be able to benefit from the new default."
 	fi
 
+	# Check if enough space for new boot (even if old used)
+	let bootspace=`devsize /dev/$primary`-`devsize /dev/$root`-`devsize /dev/$home`-`devsize /dev/$usr` >/dev/null
+	if [ $bootspace -lt $BOOTXXSECTS ]
+	then
+		echo "Root partition size will be reduced by up to 16Kb to fit new bootloader."
+		echo "This is not a problem."
+		ROOTSECTS=`expr $ROOTSECTS - $BOOTXXSECTS + $bootspace`
+	fi
+
 	# Recompute totals based on root size
 	TOTALMB="`expr 3 + $USRKB / 1024 + $ROOTMB`"
 	maxhome="`expr $devsizemb - $TOTALMB - 1`"
@@ -441,26 +452,22 @@ else
 	blocksize=$blockdefault
 fi
 
+blocksizebytes="`expr $blocksize '*' 1024`"
+
 usenewboot=1
-bootsectors=32
-if [ ! "$auto" = "r" ]
-then
-	echo ""
+bootsectors=$BOOTXXSECTS
+echo ""
 echo " --- Step 7: Select a boot scheme --------------------------------------"
-	echo ""
+echo ""
 
-	echo -n "Do you want to use new boot? [Y] "
-	read ok
-	if [ "$ok" != Y -a "$ok" != y -a "$ok" != "" ]
-	then
-		usenewboot=0
-		bootsectors=1
-	fi
+echo -n "Do you want to use new boot? [Y] "
+read ok
+if [ "$ok" != Y -a "$ok" != y -a "$ok" != "" ]
+then
+	usenewboot=0
+	bootsectors=1
 fi
 
-
-blocksizebytes="`expr $blocksize '*' 1024`"
-
 echo "
 You have selected to (re)install MINIX 3 in the partition /dev/$primary.
 The following subpartitions are now being created on /dev/$primary: