Import sources from 2011-03-30 iso image - rc

1 files changed, 53 insertions, 0 deletions

diff --git a/rc/bin/pc/bootwinnt b/rc/bin/pc/bootwinnt
new file mode 100755
index 000000000..cab89deda
--- /dev/null
+++ b/rc/bin/pc/bootwinnt
@@ -0,0 +1,53 @@
+#!/bin/rc
+
+disk=`{ls /dev/sd??/plan9 >[2]/dev/null | sed 1q | sed 's!.*/(.*)/plan9!\1!'}
+if(! ~ $#disk 1) {
+	echo 'No plan 9 disk found' >[1=2]
+	exit
+}
+
+if(! c: || ! test -f /n/c:/boot.ini) {
+	echo 'Could not find NT''s boot.ini on the first FAT disk.' >[1=2]
+	exit
+}
+
+if(test -f /n/c:/boot.p9) {
+	echo 'A Plan 9 backup already exists; will not edit boot.ini again.' >[1=2]
+	exit
+}
+
+if(! cp /n/c:/boot.ini /n/c:/boot.p9) {
+	echo 'Could not back up boot.ini; will not continue.' >[1=2]
+	exit
+}
+
+chmod +w /n/c:/boot.ini
+
+if(! grep -si '\[operating systems\]' /n/c:/boot.ini) {
+	echo 'Could not parse boot.ini.' >[1=2]
+	exit
+}
+
+if(grep -si 'Plan 9' /n/c:/boot.ini) {
+	p9file=`{grep 'Plan 9' /n/c:/boot.ini | sed 1q | sed 's/=.*//'}
+	if(! ~ $p9file [Cc]:'\'*) {
+		echo 'Unexpected Plan 9 entry in boot.ini already; not continuing.' >[1=2]
+		exit
+	}
+}
+
+if not {
+	p9file='c:\bootsect.p9'
+	echo 'c:\bootsect.p9 = "Plan 9 from Bell Labs"
' >>/n/c:/boot.ini
+}
+
+p9file=/n/^`{echo $p9file | sed 's!\\!/!g'}
+
+
+if(dd -if /dev/$disk/plan9 -bs 512 -count 1 -of $p9file >/dev/null >[2]/dev/null) {
+	echo 'Plan 9 added to Windows NT boot menu.' >[1=2]
+	exit
+}
+
+echo 'Error copying Plan 9 boot sector to file.'
+exit