Apple2GSBuildPipeline/make/createDiskImage

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#!/bin/sh
MOUNTDIR=/tmp/a2gs_mount.$$
TMPDISKIMAGE=/tmp/a2gs_diskimage_$$.2mg
TEMPLATEDISKIMAGE=make/system601.2mg
if [ $# -lt 3 ]
then
echo USAGE: $0 diskimage file directory
exit 1
fi
DISKIMAGE="$1"
shift
FILE="$1"
shift
DISKIMAGEDEST="$1"
shift
DEST="${MOUNTDIR}/${DISKIMAGEDEST}"
COPYDIRS=$*
# It looks like on Linux, the cp command needs a special argument to preserve the resource fork. This isn't ideal
# but for now, if uname is Darwin, then this is MacOS and we don't need any cp args. If not Darwin, then assume
# this is Linux and ask for extended attributes to be preserved through the copy.
#
# Ultimately, it could be that other platforms (BSD, does Solaris still exist?) or even other Linux versions or
# distributions need different arguments for this rather special thing. If true, this may need to be a build time
# option which can be set.
if [ "`uname`" = Darwin ]
then
CPARGS=""
else
CPARGS="--preserve=xattr"
fi
cleanupAndExit()
{
umount "$MOUNTDIR" 2> /dev/null
rm -f "$TMPDISKIMAGE" 2> /dev/null
rm -f "$DISKIMAGE" 2> /dev/null
rmdir "$MOUNTDIR" 2> /dev/null
exit 1
}
if [ ! -f "$TEMPLATEDISKIMAGE" ]
then
echo Unable to find the template disk image, $TEMPLATEDISKIMAGE
cleanupAndExit
fi
cp "$TEMPLATEDISKIMAGE" "$TMPDISKIMAGE"
if [ $? != 0 ]
then
echo Unable to copy template disk image.
cleanupAndExit
fi
mkdir "$MOUNTDIR"
if [ $? != 0 ]
then
echo Unable to create the mount directory.
cleanupAndExit
fi
profuse -orw "$TMPDISKIMAGE" "$MOUNTDIR"
if [ $? != 0 ]
then
echo Unable to mount the disk image.
cleanupAndExit
fi
cp $CPARGS "$FILE" "$DEST"
if [ $? != 0 ]
then
echo Unable to copy the file to the disk image.
cleanupAndExit
fi
OLDDIR=`pwd`
for COPYDIR in $COPYDIRS
do
cd "$COPYDIR"
if [ $? != 0 ]
then
echo Unable to find $COPYDIR
cleanupAndExit
fi
find . -print | while read FILEORDIR
do
if [ -d "$FILEORDIR" ]
then
mkdir -p "${MOUNTDIR}/$FILEORDIR"
elif [ -f "$FILEORDIR" ]
then
cp $CPARGS "$FILEORDIR" "${MOUNTDIR}/$FILEORDIR"
fi
done
cd "$OLDDIR"
done
RETRIES=0
while [ $RETRIES -lt 5 ]
do
umount "$MOUNTDIR"
if [ $? -eq 0 ]
then
break
fi
RETRIES=`expr $RETRIES + 1`
sleep 1
done
if [ $RETRIES -ge 5 ]
then
echo Unable to unmount the disk image.
cleanupAndExit
fi
cp "$TMPDISKIMAGE" "$DISKIMAGE"
if [ $? != 0 ]
then
echo Unable to copy the disk image to the destination.
cleanupAndExit
fi
rm -f "$TMPDISKIMAGE"
rmdir "$MOUNTDIR"
exit 0