(Module): Creates a dmg disk for MaC OS/X

diff --git a/src/createdmg.sh b/src/createdmg.sh
new file mode 100755 (executable)
index 0000000..559a59e
--- /dev/null
+++ b/src/createdmg.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+set -x
+#
+# Creates a disk image (dmg) on Mac OS X from the command line.
+# usage:
+#    mkdmg <volname> <vers> <srcdir>
+#
+# Where <volname> is the name to use for the mounted image, <vers> is the version
+# number of the volume and <srcdir> is where the contents to put on the dmg are.
+#
+# The result will be a file called <volname>-<vers>.dmg
+
+if [ $# != 3 ]; then
+ echo "usage: mkdmg.sh volname vers srcdir"
+ exit 0
+fi
+
+VOL="$1"
+VER="$2"
+FILES="$3"
+
+DMG="tmp-$VOL.dmg"
+
+# create temporary disk image and format, ejecting when done
+#SIZE=`du -sk ${FILES} | sed -n '/^[0-9]*/s/([0-9]*).*/\1/p'`
+SIZE=`du -sk ${FILES} | sed -n 's/^\([0-9]*\).*/\1/p'`
+echo SIZE=$SIZE
+SIZE=$((${SIZE}/1000+1))
+hdiutil create "$DMG" -megabytes ${SIZE} -ov -type UDIF
+DISK=`hdid -nomount "$DMG" | sed -ne ' /Apple_partition_scheme/ s|^/dev/\([^ ]*\).*$|\1|p'`
+newfs_hfs -v "$VOL" /dev/r${DISK}s2
+hdiutil eject $DISK
+
+# mount and copy files onto volume
+hdid "$DMG"
+cp -R "${FILES}"/* "/Volumes/$VOL"
+hdiutil eject $DISK
+osascript -e "tell application "Finder" to eject disk "$VOL"" && 
+
+# convert to compressed image, delete temp image
+rm -f "${VOL}-${VER}.dmg"
+hdiutil convert "$DMG" -format UDZO -o "${VOL}-${VER}.dmg"
+rm -f "$DMG"