/usr/share/gfxboot/bin/adddir is in gfxboot-dev 4.4.3-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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#
# Symlink all files in a tree that are missing.
#
function read_dir {
local i
for i in `( cd "$1" && echo * )` ; do
[ -e "$1/$i" -o -L "$1/$i" ] && echo "$i"
done
}
function add_dir {
local src dst tmp i
src="$1"
dst="$2"
# echo "adddir $src $dst"
for i in `read_dir $src` ; do
if [ -d "$src/$i" -a ! -L "$src/$i" ]; then
# add directory
# echo " add dir $src/$i as $dst/$i"
if [ ! -d "$dst/$i" ] ; then
rm -f "$dst/$i"
mkdir "$dst/$i"
fi
if [ -L "$dst/$i" ] ; then
tmp=`mktemp -d "$dst/adddir.XXXXXX"` || exit 2
chown --dereference --reference "$dst/$i" "$tmp" 2>/dev/null
chmod --reference "$dst/$i" "$tmp"
add_dir "`readlink $dst/$i`" "$tmp"
rm -f "$dst/$i"
mv "$tmp" "$dst/$i"
fi
add_dir "$src/$i" "$dst/$i"
else
if [ ! -e "$dst/$i" ] ; then
# add non-directory
# echo " add file $src/$i as $dst/$i"
if [ -d "$dst/$i" -a ! -L "$dst/$i" ] ; then
rm -rf "$dst/$i"
else
rm -f "$dst/$i"
fi
if [ -f "$src/$i" -a ! -L "$src/$i" ] ; then
ln -s "`( cd $src ; pwd )`/$i" "$dst/$i"
else
cp -a "$src/$i" "$dst/$i"
fi
fi
fi
done
}
src="$1"
dst="$2"
if [ ! \( -d "$src" -a -d "$dst" \) ] ; then
echo "Usage: adddir src_dir dst_dir"
echo "Adds (symlinks) everything that is in src_dir to dst_dir."
echo "Note: spaces in filenames are evil."
exit 1
fi
add_dir "$src" "$dst"
|