dmsdos-0.9.2.2 addeddmsdos-0.9.2.2

1 files changed, 126 insertions, 0 deletions

diff --git a/patch.sh b/patch.sh
new file mode 100644
index 0000000..a96b8e0
--- /dev/null
+++ b/patch.sh
@@ -0,0 +1,126 @@
+#!/bin/sh
+
+if [ ! -f /usr/src/linux/Makefile ];
+then
+	echo "No Linux sources found in /usr/src/linux."
+	echo "Sorry, I cannot determine automatically what needs to be done."
+	echo "Please install dmsdos manually."
+	echo "See the installation instructions for details."
+	exit 1
+fi
+
+head -3 /usr/src/linux/Makefile | tr -d " " > /tmp/help.$$
+source /tmp/help.$$
+rm /tmp/help.$$
+VPS=`echo "$VERSION.$PATCHLEVEL.$SUBLEVEL"`
+VP=`echo "$VERSION.$PATCHLEVEL"`
+
+if [ "$VERSION" -lt 2 ];
+then
+	echo "Kernel version $VPS is not supported. Need 2.0.29 or newer from 2.0 series"
+	echo "or 2.1.80 or newer."
+	exit 1
+fi
+
+echo "Now I'm trying to find out whether your kernel needs some patches for dmsdos."
+echo "If something is patched, a log file '*.log' will be written to /tmp."
+
+echo -n "Scanning for *.rej files..."
+REJ=`( cd /usr/src/linux; find . -name "*.rej" -print )`
+if [ ! -z "$REJ" ];
+then
+	echo
+	echo "There are *.rej files lying around in your kernel sources. Can't continue."
+	echo "$REJ"
+	echo "This usually means that you tried to patch your kernel some time ago but"
+	echo "that failed horribly. If you haven't repaired this by hand your kernel"
+	echo "sources are screwed up. Either throw them away and install fresh sources or"
+	echo "just delete the *.rej files in order to make me believe everything is ok :)"
+	exit 1
+fi
+
+echo " not found, ok."
+
+if [ -f /usr/src/linux/fs/fat/cvf.c ];
+then
+	echo "Kernel has already CVF-FAT support."
+	grep CVF-FAT-VERSION-ID /usr/src/linux/fs/fat/cvf.c > /dev/null
+	if [ $? = 1 ];
+	then
+		echo "But the CVF-FAT version in your kernel is an older version."
+		echo "You may want to update it. I will _not_ do this for you."
+                echo "See the installation instructions for details."
+		echo
+		echo "Press Enter to continue."
+		read junk
+	fi
+else
+	if [ "$VP" = "2.0" ];
+	then
+		if [ "$SUBLEVEL" -lt 29 ];
+		then
+			echo "Kernel version $VPS is not supported. Need 2.0.29 or newer from 2.0 series"
+			echo "or 2.1.80 or newer."
+		fi
+		#check for fat32
+		if [ -f /usr/src/linux/fs/nls.c ];
+		then
+			echo "Kernel 2.0.$SUBLEVEL with FAT32 support detected."
+		    if [ $SUBLEVEL -lt 36 ];
+		    then
+			echo "WARNING: FAT32 kernels earlier than 2.0.36 have a serious rmdir bug"
+			echo "that causes filesystem corruption in a msdos filesystem. This is not"
+			echo "a dmsdos problem but it is known to damage compressed filesystems too."
+			echo "Please upgrade to 2.0.36 or apply the msdos-rmdir-bugfix.diff manually"
+			echo "if you haven't repaired the bug otherwise. (I will not fix this bug.)"
+			echo "Press Enter to continue."
+			read junk
+		    fi
+			echo "I'm going to install the CVF-FAT patches for FAT32 now."
+			echo "If you do not want me to do this, press CTRL-C now."
+			echo "To continue, press enter."
+			read junk
+			( cd /usr/src/linux; patch -p1 ) < patches/cvf.diff-2.0.33+fat32-0.2.8 >& /tmp/cvf.diff.log
+		else
+			echo "Kernel 2.0.$SUBLEVEL without FAT32 detected."
+			echo "I'm going to install the CVF-FAT patches now."
+			echo "If you do not want me to do this, press CTRL-C now."
+			echo "WARNING: If you want to use FAT32 please abort now and"
+			echo "install the FAT32 patches before installing dmsdos."
+			echo "To continue, press enter."
+			read junk
+			( cd /usr/src/linux; patch -p1 ) < patches/cvf.diff-2.0.33 >& /tmp/cvf.diff.log
+		fi
+		if [ -d /usr/src/linux/fs/uvfat ];
+		then
+			echo "UVFAT patches found."
+			echo "I'm going to install additional CVF-FAT patches for UVFAT now."
+			echo "If you do not want me to do this, press CTRL-C now."
+			echo "To continue, press enter."
+			read junk
+			( cd /usr/src/linux; patch -p1 ) < patches/cvf-uvfat.diff-2.0.33 >& /tmp/cvf-uvfat.diff.log
+		fi
+	else
+		if [ "$VP" = "2.1" -a "$PATCHLEVEL" -lt 80 ];
+		then
+			echo "Kernel version $VPS is not supported. Need 2.0.29 or newer from 2.0 series"
+			echo "or 2.1.80 or newer."
+			exit 1
+		fi
+	fi
+fi
+
+echo -n "Scanning for *.rej files..."
+REJ=`( cd /usr/src/linux; find . -name "*.rej" -print )`
+if [ ! -z "$REJ" ];
+then
+	echo
+	echo "There were *.rej files created during patch. Can't continue."
+	echo "$REJ"
+	echo "This shouldn't happen unless you have a highly patched or hacked kernel :)"
+	echo "Please have a look at the files and find out what went wrong."
+	exit 1
+fi
+
+echo " not found, ok."
+exit 0