update psp script

environment/psp-env.sh

@@ -8,10 +8,22 @@ display_usage() {
    echo -e "export:\n setup the environment for local building, run with source psp-env.sh"
 } 
 
+fetch()
+{
+   cd ~
+   if [ ! -d ~/libretro/psp ]; then
+      mkdir libretro
+      cd libretro
+      git clone https://github.com/libretro/libretro-super.git psp
+   fi
+}
+
 #!/bin/bash
+platform=psp1
 
 if [ "$1" = "install" ]; then
    if [[ "$MSYSTEM" == *"MINGW64"* ]]; then
+
       pacman -S git make p7zip tar wget
 
       mkdir -p /home/buildbot/tools/devkitpro
@@ -20,13 +32,10 @@ if [ "$1" = "install" ]; then
       tar zxvf devkitPSP_r16-1-x86_64-win.tar.gz
       rm devkitPSP_r16-1-x86_64-win.tar.gz
 
-      cd ~
-      mkdir libretro
-      cd libretro
-      git clone https://github.com/libretro/libretro-super.git psp
-
+      fetch 
    else
-      apt install build-essential git p7zip tar wget
+
+      sudo apt install build-essential git p7zip tar wget
 
       mkdir -p tools/devkitpro
       cd tools/devkitpro
@@ -34,25 +43,30 @@ if [ "$1" = "install" ]; then
       tar jxvf devkitPSP_r16-1-x86_64-linux.tar.bz2
       rm devkitPSP_r16-1-x86_64-linux.tar.bz2
 
-      cd ~
-      mkdir libretro
-      cd libretro
-      git clone https://github.com/libretro/libretro-super.git psp
+      fetch 
 
       cd ~
+
+      if [ ! -d "/home/buildbot/tools" ]; then
          sudo mkdir -p /home/buildbot
          sudo ln -s ~/tools /home/buildbot/tools
-
       fi;
    fi;
+   echo $platform environment ready...
+fi;
 
 if [ "$1" = "build" ]; then
+   if [ -d "/home/buildbot/tools/devkitpro/" ]; then
       cd ~/libretro/psp
       git pull
       ./libretro-buildbot-recipe.sh recipes/playstation/psp
+   else
+      echo $platform environment not found, run with install again...
+   fi
 fi;
 
 if [ "$1" = "export" ]; then
+   if [ -d "/home/buildbot/tools/devkitpro/" ]; then
       export PATH=$PATH:/home/buildbot/tools/devkitpro/devkitPSP/bin/
       export DEVKITPRO=/home/buildbot/tools/devkitpro/
       export DEVKITPSP=/home/buildbot/tools/devkitpro/devkitPSP/
@@ -60,8 +74,10 @@ if [ "$1" = "export" ]; then
       export PLATFORM=psp1
       export CC=psp-gcc
       export CXX=psp-g++
-
-   echo environment ready...
+      echo $platform environment ready...
+   else
+      echo $platform environment not found, run with install again...
+   fi;
 fi
 
 if [ $# -le 0 ]; then