#!/bin/sh

# we assume this runs at the top of a Cream file structure

echo

# argument (optional) must be single and a directory
if [[ -n $1 && ! -d $1 ]]; then
	echo "Single (optional) argument '$1' must be a directory"
	echo "for the installation of Cream. (Default '/usr'.)"
	exit 1
fi

# find $VIMRUNTIME if doesn't exist (no trailing slash)
if [ "$VIMRUNTIME" = "" ] || [ -d $VIMRUNTIME ] ; then
    # warn only if not directory
	if [ -d $VIMRUNTIME ] ; then
		echo "  Existing \$VIMRUNTIME not a directory."
	fi
	echo "Finding \$VIMRUNTIME..."
	# try with perl
	if [ `which perl` ] ; then
		echo "  Trying perl method..."
		# 1. by Luc St-Louis
		vim --cmd 'echo $VIMRUNTIME' --cmd 'quit' 2> /tmp/creamVRT
		VRT=`perl -pe 's/\r\n//g' /tmp/creamVRT`
		rm -f /tmp/creamVRT
	fi
	# try with bash
	if [ ! -n "$VRT" -o "$VRT" = "" ] ; then
		echo "  Trying bash method..."
		# 2. by Jacob Lerner
		VRT=`vim -e -T dumb --cmd 'exe "set t_cm=\<C-M>"|echo $VIMRUNTIME|quit' | tr -d '\015' `
	fi
else
	VRT=$VIMRUNTIME
fi

# validate
if [ "$VRT" = "" ] ; then
	echo "  No \$VIMRUNTIME value found, quitting."
	exit 1
elif [ ! -d $VRT ] ; then
	echo "  \$VIMRUNTIME ($VRT) not a directory, quitting."
	exit 1
else
	# value found
	echo "  Found:"
	echo "  $VRT"
fi

# set $PREFIX (distros that put sys files in own subdirectory --Felix Breuer)
if [[ -n $1 && -d $1 ]]; then
	# first argument (is directory validated above)
	PREFIX=$1
else
	PREFIX=/usr/local
fi

# follow $DESTDIR root if distro requests it (Jeff Woods)
if [ "$DESTDIR" != "" ] ; then
	# test is directory
	if [ -d $DESTDIR ] ; then
		echo "  \$DESTDIR found, prepending to install locations."
		VRT=$DESTDIR/$VRT
		PREFIX=$DESTDIR/$PREFIX
	else
		echo "  \$DESTDIR ($DESTDIR) not a directory, quitting."
		exit 1
	fi
fi


# set $HERE (from where we're copying)
HERE=`dirname $0`


# installation
echo
echo "Installing to..."
echo "  $VRT/cream"

# verify directories exist
echo "Verifying directories exist..."
echo "  $VRT/cream"
mkdir -p $VRT/cream
echo "  $VRT/cream/addons"
mkdir -p $VRT/cream/addons
echo "  $VRT/cream/bitmaps"
mkdir -p $VRT/cream/bitmaps
echo "  $VRT/cream/docs"
mkdir -p $VRT/cream/docs
echo "  $VRT/cream/docs-html"
mkdir -p $VRT/cream/docs-html
echo "  $VRT/cream/filetypes"
mkdir -p $VRT/cream/filetypes
echo "  $VRT/cream/help"
mkdir -p $VRT/cream/help
echo "  $VRT/cream/lang"
mkdir -p $VRT/cream/lang
#echo "  $VRT/cream/spelldicts"
#mkdir -p $VRT/cream/spelldicts

# copy runtime files
echo "Copying runtime files..."
echo "  $VRT/cream/creamrc"
#cp -uvf $HERE/creamrc $VRT/cream/
install -p -m 644 $HERE/creamrc $VRT/cream/
echo "  $VRT/cream/*.vim"
#cp -uvf $HERE/*.vim $VRT/cream/
install -p -m 644 $HERE/*.vim $VRT/cream/
###echo "  $VRT/cream/cream.png"
###cp -uvf $HERE/cream.png $VRT/cream/
###echo "  $VRT/cream/cream.svg"
###cp -uvf $HERE/cream.svg $VRT/cream/
###echo "  $VRT/cream/cream.ico"
###cp -uvf $HERE/cream.ico $VRT/cream/
echo "  $VRT/cream/addons/*.vim"
#cp -uvf $HERE/addons/*.vim $VRT/cream/addons/
install -p -m 644 $HERE/addons/*.vim $VRT/cream/addons/
echo "  $VRT/cream/bitmaps/*.xpm"
#cp -uvf $HERE/bitmaps/*.xpm $VRT/cream/bitmaps/
install -p -m 644 $HERE/bitmaps/*.xpm $VRT/cream/bitmaps/
###echo "  $VRT/cream/bitmaps/*.bmp"
###cp -uvf $HERE/bitmaps/*.bmp $VRT/cream/bitmaps/
echo "  $VRT/cream/docs/*.txt"
#cp -uvf $HERE/docs/*.txt $VRT/cream/docs/
install -p -m 644 $HERE/docs/*.txt $VRT/cream/docs/
echo "  $VRT/cream/docs-html/*.html"
#cp -uvf $HERE/docs-html/*.html $VRT/cream/docs-html/
install -p -m 644 $HERE/docs-html/*.html $VRT/cream/docs-html/
echo "  $VRT/cream/docs-html/css.php"
#cp -uvf $HERE/docs-html/css.php $VRT/cream/docs-html/
install -p -m 644 $HERE/docs-html/css.php $VRT/cream/docs-html/
echo "  $VRT/cream/docs-html/favicon.ico"
#cp -uvf $HERE/docs-html/favicon.ico $VRT/cream/docs-html/
install -p -m 644 $HERE/docs-html/favicon.ico $VRT/cream/docs-html/
echo "  $VRT/cream/docs-html/*.png"
#cp -uvf $HERE/docs-html/*.png $VRT/cream/docs-html/
install -p -m 644 $HERE/docs-html/*.png $VRT/cream/docs-html/
echo "  $VRT/cream/docs-html/*.gif"
#cp -uvf $HERE/docs-html/*.gif $VRT/cream/docs-html/
install -p -m 644 $HERE/docs-html/*.gif $VRT/cream/docs-html/
echo "  $VRT/cream/filetypes/*.vim"
#cp -uvf $HERE/filetypes/*.vim $VRT/cream/filetypes/
install -p -m 644 $HERE/filetypes/*.vim $VRT/cream/filetypes/
echo "  $VRT/cream/help/*.txt"
#cp -uvf $HERE/help/*.txt $VRT/cream/help/
install -p -m 644 $HERE/help/*.txt $VRT/cream/help/
echo "  $VRT/cream/lang/*.vim"
#cp -uvf $HERE/lang/*.vim $VRT/cream/lang/
###install -p -m 644 $HERE/lang/*.vim $VRT/cream/lang/
###echo "  $VRT/cream/spelldicts/cream-spell-dict-eng-s*.vim"
#cp -uvf $HERE/spelldicts/cream-spell-dict-eng-s*.vim $VRT/cream/spelldicts/
###install -p -m 644 $HERE/spelldicts/cream-spell-dict-eng-s*.vim $VRT/cream/spelldicts/
###echo "  $VRT/cream/spelldicts/cream-spell-dict.vim"
####cp -uvf $HERE/spelldicts/cream-spell-dict.vim $VRT/cream/spelldicts/
###install -p -m 644 $HERE/spelldicts/cream-spell-dict.vim $VRT/cream/spelldicts/


# other system files

# copy command
echo "Copying shell command..."
echo "  $PREFIX/bin/cream"
mkdir -p $PREFIX/bin
#cp -uvf $HERE/cream $PREFIX/bin/
install -p -m 755 $HERE/cream $PREFIX/bin/

# copy menu entry
echo "Copying GNOME menu entry..."
echo "  $PREFIX/share/applications/cream.desktop"
mkdir -p $PREFIX/share/applications
#cp -uvf $HERE/cream.desktop $PREFIX/share/applications/
install -p -m 755 $HERE/cream.desktop $PREFIX/share/applications/

# copy icons
echo "Copying graphic icons..."
echo "  $PREFIX/share/icons"
mkdir -p $PREFIX/share/icons
#cp -uvf $HERE/cream.svg $PREFIX/share/icons/
install -p -m 644 $HERE/cream.svg $PREFIX/share/icons/
#cp -uvf $HERE/cream.png $PREFIX/share/icons/
install -p -m 644 $HERE/cream.png $PREFIX/share/icons/

# cleanup old installations
echo "Cleaning up previous versions..."

# 0.38
if [ -d "$VRT/cream/spelldicts" ]; then
	rm -f $VRT/cream/spelldicts/*
	rmdir $VRT/cream/spelldicts
fi
if [ -e "$VRT/cream/help/opsplorer.txt" ]; then
	rm -f $VRT/cream/help/opsplorer.txt
fi
# 0.37
if [ -e "$VRT/cream/cream-explorer.vim" ]; then
	rm -f $VRT/cream/cream-explorer.vim
fi
if [ -e "$VRT/cream/opsplorer.vim" ]; then
	rm -f $VRT/cream/opsplorer.vim
fi
# 0.36
if [ -e "$VRT/cream/cream-window-buffer.vim" ]; then
	rm -f $VRT/cream/cream-window-buffer.vim
fi
if [ -e "$VRT/cream/docs-html/contribute.html" ]; then
	rm -f $VRT/cream/docs-html/contribute.html
fi
if [ -e "$VRT/cream/docs-html/favicon.png" ]; then
	rm -f $VRT/cream/docs-html/favicon.png
fi
if [ -e "$VRT/cream/docs-html/license.html" ]; then
	rm -f $VRT/cream/docs-html/license.html
fi
if [ -e "$VRT/cream/docs-html/links.html" ]; then
	rm -f $VRT/cream/docs-html/links.html
fi
if [ -e "$VRT/cream/docs-html/maillists.html" ]; then
	rm -f $VRT/cream/docs-html/maillists.html
fi
if [ -e "$VRT/cream/docs-html/main.css" ]; then
	rm -f $VRT/cream/docs-html/main.css
fi
if [ -e "$VRT/cream/docs-html/screenshot4.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot4.png
fi
if [ -e "$VRT/cream/docs-html/screenshot4-thumb.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot4-thumb.png
fi
if [ -e "$VRT/cream/docs-html/screenshot-popup.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot-popup.png
fi
if [ -e "$VRT/cream/docs-html/screenshots1-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots1-closeup.html
fi
if [ -e "$VRT/cream/docs-html/screenshots2-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots2-closeup.html
fi
if [ -e "$VRT/cream/docs-html/screenshots3-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots3-closeup.html
fi
if [ -e "$VRT/cream/docs-html/screenshots4-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots4-closeup.html
fi
if [ -e "$VRT/cream/docs-html/screenshots.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots.html
fi
if [ -e "$VRT/cream/docs-html/spellcheck.html" ]; then
	rm -f $VRT/cream/docs-html/spellcheck.html
fi
if [ -e "$VRT/cream/docs-html/statusline-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/statusline-closeup.html
fi

# 0.34
if [ -e "$VRT/cream/docs-html/screenshots5-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots5-closeup.html
fi
if [ -e "$VRT/cream/docs-html/screenshots6-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots6-closeup.html
fi
if [ -e "$VRT/cream/docs-html/screenshots7-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots7-closeup.html
fi
if [ -e "$VRT/cream/docs-html/screenshots8-closeup.html" ]; then
	rm -f $VRT/cream/docs-html/screenshots8-closeup.html
fi
if [ -e "$VRT/cream/docs-html/screenshot5.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot5.png
fi
if [ -e "$VRT/cream/docs-html/screenshot6.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot6.png
fi
if [ -e "$VRT/cream/docs-html/screenshot7.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot7.png
fi
if [ -e "$VRT/cream/docs-html/screenshot8.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot8.png
fi
if [ -e "$VRT/cream/docs-html/screenshot5-thumb.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot5-thumb.png
fi
if [ -e "$VRT/cream/docs-html/screenshot6-thumb.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot6-thumb.png
fi
if [ -e "$VRT/cream/docs-html/screenshot7-thumb.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot7-thumb.png
fi
if [ -e "$VRT/cream/docs-html/screenshot8-thumb.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot8-thumb.png
fi
if [ -e "$VRT/cream/docs-html/maillist.html" ]; then
	rm -f $VRT/cream/docs-html/maillist.html
fi
if [ -e "$VRT/cream/docs-html/otherfiles.html" ]; then
	rm -f $VRT/cream/docs-html/otherfiles.html
fi
# 0.33
if [ -e "/usr/bin/cream" ]; then
	rm -f /usr/bin/cream
fi
# 0.31
if [ -e "$VRT/cream/docs-html/love.html" ]; then
	rm -f $VRT/cream/docs-html/love.html
fi
if [ -e "$VRT/cream/docs-html/hate.html" ]; then
	rm -f $VRT/cream/docs-html/hate.html
fi
if [ -e "$VRT/cream/docs-html/background.html" ]; then
	rm -f $VRT/cream/docs-html/background.html
fi
if [ -e "$VRT/cream/docs-html/goals.html" ]; then
	rm -f $VRT/cream/docs-html/goals.html
fi
if [ -e "$VRT/cream/docs-html/screenshot-arabic1.png" ]; then
	rm -f $VRT/cream/docs-html/screenshot-arabic1.png
fi
if [ -e "$VRT/cream/docs-html/devel.html" ]; then
	rm -f $VRT/cream/docs-html/devel.html
fi
if [ -e "$VRT/cream/docs-html/creamlogo.png" ]; then
	rm -f $VRT/cream/docs-html/creamlogo.png
fi
# 0.30
if [ -e "$VRT/cream/cream-filetype-c.vim" ]; then
	rm -f $VRT/cream/cream-filetype-c.vim
fi
if [ -e "$VRT/cream/cream-filetype-html.vim" ]; then
	rm -f $VRT/cream/cream-filetype-html.vim
fi
if [ -e "$VRT/cream/cream-filetype-txt.vim" ]; then
	rm -f $VRT/cream/cream-filetype-txt.vim
fi
if [ -e "$VRT/cream/cream-filetype-vim.vim" ]; then
	rm -f $VRT/cream/cream-filetype-vim.vim
fi
# earlier (maybe not, but we can't remember :)
if [ -e "$VRT/cream/docs-html/todo.html" ]; then
	rm -f $VRT/cream/docs-html/todo.html
fi
if [ -e "$VRT/cream/docs-html/changelog.html" ]; then
	rm -f $VRT/cream/docs-html/changelog.html
fi
if [ -e "$VRT/cream/docs-html/bugs.html" ]; then
	rm -f $VRT/cream/docs-html/bugs.html
fi
if [ -e "$VRT/cream/docs/SPELLDICTS.txt" ]; then
	rm -f $VRT/cream/docs/SPELLDICTS.txt
fi
if [ -e "$VRT/cream/docs/SPELLTEST-ENG.txt" ]; then
	rm -f $VRT/cream/docs/SPELLTEST-ENG.txt
fi
if [ -e "$VRT/cream/docs/FILELIST.txt" ]; then
	rm -f $VRT/cream/docs/FILELIST.txt
fi
if [ -e "$VRT/cream/docs/BUGS.txt" ]; then
	rm -f $VRT/cream/docs/BUGS.txt
fi
# Note: This is one char different from 0.36 file!
if [ -e "$VRT/cream/docs-html/downloads.html" ]; then
	rm -f $VRT/cream/docs-html/downloads.html
fi


# finish
echo "Finished."
echo