#!/bin/bash
#debug: !/bin/bash -x
# fasm setup script - version 0.1 alpha
# Copyright notice:
#  fasm is the creation of Tomasz Grysztar (aka Privalov)
#  This setup script is the creation of Fredrik Klasson (aka scientica),
#  thus the copyright notice bellow on applies to this script, not
#  fasm it self.
# Copyright (c) Fredrik Klasson 2003.
#
# WARNING!
# This script is an alpha version, this means it's still experimental
# and is not to e considered stable or safe, use at you own risk. If
# you are unsure wheter to run this script or not, **don't run it**!

set_all(){
 fasm_version_str="1.47"
 fasm_path="/usr/local/bin"
 fasm_setup_dir=$(pwd)
}
unset_all(){
unset fasm_version
unset fasm_path
unset fasm_setup_dir
unset fasm_sylink
unset ans
}
#------------------------------------------------------------------------
do_unpack(){
 #echo -e "cd $fasm_path"
 cd "$fasm_path"
 #echo -e "gunzip -cdN $fasm_setup_dir/fasm-$fasm_version_str.tar.gz > tmp.tar"
 gunzip -cdN "$fasm_setup_dir/fasm-$fasm_version_str.tar.gz" > tmp.tar
 if [ $? != 0 ]; then
  return 1;
 fi;
 #echo -e "tar -xf tmp.tar"
 tar -xf tmp.tar
 if [ $? != 0 ]; then
  return 1;
 fi;
 #echo -e "rm tmp.tar"
 rm tmp.tar
 if [ $? != 0 ]; then
  return 1;
 fi;
 #echo -e "mv fasm fasm-$fasm_version_str"
 mv "fasm" "fasm-$fasm_version_str"
 if [ $? != 0 ]; then
  return 1;
 fi;
 return 0;
# return -1; - <deug>
}
#------------------------------------------------------------------------
set_all

# Display alpha version warning:
echo -e "\x1b[31m# WARNING!\n"
echo -e "# This script is an alpha version, this means it's still experimental\n"
echo -e "# and is not to e considered stable or safe, use at you own risk. If\n"
echo -e "# you are unsure wheter to run this script or not, \x1b[1m**don't run it**!\n\n\x1b[0m"

echo -e "Welcome to the \x1b[30m\x1b[32mflat assembler\x1b[0m (\x1b[30m\x1b[32mfasm\x1b[0m) setup for version $fasm_version_str"

if [ "$USER" != "root" ]; then
 echo -e "\x1b[31mNote: It's recomended to run this setup as root.\x1b[0m"
fi;

echo -e "\nWould you like to setup a symbolic link to fasm in \x1b[36m/usr/bin\x1b[0m?"
echo -e "Note! If you intend to install fasm in \x1b[36m/usr/bin\x1b[0m select \x1b[1mno\x1b[0m (\x1b[1mnot recomended\x1b[0m)"
echo -e "[yes/no] \c"
read fasm_sylink
if [ "$fasm_sylink" = "yes" ]; then
 fasm_symlink=true
elif [ "$fasm_sylink" = "no" ]; then
 fasm_symlink=false
else
 echo -e "\x1b[1m\x1b[31mError:\x1b[0m\x1b[31m invalid input!\x1b[0m"
 unset_all
 exit
fi;

echo -e "Install fasm in \x1b[36m$fasm_path\x1b[0m? [yes/no] \c"
read ans

if [ "$ans" = "yes" ]; then
 echo -e "\c"
elif [ "$ans" = "no" ]; then
 echo -e "Note! Specify the folder in which the \x1b[36mfasm-$fasm_version_str\x1b[0m is to be placed. This folder must exist, the \x1b[36mfasm-$fasm_version_str\x1b[0m directory will be created by the setup."
 echo -e "Enter new target folder: \x1b[33m\c"
 read fasm_path
 echo -e "\x1b[0m\c"
else
 echo -e "\x1b[1m\x1b[31mError:\x1b[0m\x1b[31m invalid input! If you wanted to install to a diffrent location please type no at the prompt.\x1b[0m"
 unset_all
 exit
fi;

echo -e "Unpacking to \x1b[36m$fasm_path\x1b[0m..."

do_unpack
if [ $? != 0 ]; then
 echo -e "\x1b[1m\x1b[31mError:\x1b[0m\x1b[31m Unpacking failed!\x1b[0m"
 unset_all
 exit
fi;

if [ $fasm_symlink = true ]; then
 echo -e "A symbolic link with the name \x1b[36mfasm\x1b[0m will be created in \x1b[36m/usr/bin\x1b[0m and point to \x1b[36m$fasm_path/fasm\x1b[0m, hit enter to execute the following line:"
 #echo -e "ln -isv \x1b[36m$fasm_path/fasm-$fasm_version_str/fasm /usr/bin/fasm\x1b[0m"
 ln -isv "$fasm_path/fasm-$fasm_version_str/fasm" /usr/bin/fasm
 read
fi;

unset_all
echo -e "\x1b[0m\c"    

# WARNING!
 
# This script is an alpha version, this means it's still experimental
 
# and is not to e considered stable or safe, use at you own risk. If
 
# you are unsure wheter to run this script or not, **don't run it**!
 
 
Welcome to the flat assembler (fasm) setup for version 1.47
Note: It's recomended to run this setup as root.
 
Would you like to setup a symbolic link to fasm in /usr/bin?
Note! If you intend to install fasm in /usr/bin select no (not recomended)
[yes/no] yes
Install fasm in /usr/local/bin? [yes/no] no
Note! Specify the folder in which the fasm-1.47 is to be placed. This folder must exist, the fasm-1.47 directory will be created by the setup.
Enter new target folder: /packages
Unpacking to /packages...
gunzip: /packages/fasm-1.47.tar.gz: No such file or directory
Error: Unpacking failed!
    

set_all(){
fasm_version_str="1.48.9.5"