zip the output images after creating them

scripts/bitmaps/make_bmp_images.sh

 #!/bin/bash -e
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # This adds text to our non-labeled recovery images.
 #
 # The source images should be 1366x800, with the expectation they'll be cropped
 # to 1366x768 or 1280x800, have 2 lines of text overlayed at the bottom, and
 # then be resized to 800x600 so that the BIOS can then display them stretched
@@ skipping 21 matching lines @@
 tmpdir=$(mktemp -d /tmp/tmp.XXXXXXXXX)
 trap "rm -rf $tmpdir" EXIT
 img_orig="${tmpdir}/img_orig.bmp"
 img_crop_a="${tmpdir}/img_crop_a.bmp"
 img_crop_b="${tmpdir}/img_crop_b.bmp"
 img_txt_a="${tmpdir}/img_txt_a.bmp"
 img_txt_b="${tmpdir}/img_txt_b.bmp"
 label_file="${tmpdir}/label.txt"
 
 # Output directories
-outdir_a=$(dirname $0)/out_${geom_crop_a}
+thisdir=$(readlink -e $(dirname $0))
+outdir_a=${thisdir}/out_${geom_crop_a}
 [ -d "$outdir_a" ] || mkdir -p "$outdir_a"
-outdir_b=$(dirname $0)/out_${geom_crop_b}
+outdir_b=${thisdir}/out_${geom_crop_b}
 [ -d "$outdir_b" ] || mkdir -p "$outdir_b"
 
 
 function find_background_color {
   src_img=$1
   convert "$src_img" -crop '1x1+10+10!' txt:- | \
     perl -n -e 'print "$1" if m/(#[0-9a-f]+)/i;'
 }
 
 function process_one_file {
@@ skipping 45 matching lines @@
   # Now scale the result to the final size
   convert "$img_txt_a" -scale "$geom_final" -alpha off "$dst_img_a"
   convert "$img_txt_b" -scale "$geom_final" -alpha off "$dst_img_b"
 }
 
 
 # Do it.
 for file in originals/*.gif; do
   process_one_file "$file"
 done
+
+# Zip up the bitmaps
+(cd "$outdir_a" && zip -qr "${thisdir}/out_${geom_crop_a}.zip" *)
+(cd "$outdir_b" && zip -qr "${thisdir}/out_${geom_crop_b}.zip" *)