Linux scripts for v2

scripts/on_env_start.sh

@@ -0,0 +1,29 @@
+echo "\nStable Diffusion UI\n"
+
+cd ..
+
+if [ `grep -c sd_ui_git_cloned scripts/install_status.txt` -gt "0" ]; then
+    echo "Stable Diffusion UI's git repository was already installed. Updating.."
+
+    cd sd-ui-files
+
+    git reset --hard
+    git pull
+
+    cd ..
+else
+    echo "\nDownloading Stable Diffusion UI..\n"
+
+    if git clone https://github.com/cmdr2/stable-diffusion-ui.git sd-ui-files ; then
+        echo sd_ui_git_cloned >> scripts/install_status.txt
+    else
+        echo "\nError downloading Stable Diffusion UI. Please try re-running this installer. If it doesn't work, please copy the messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB or file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\n"
+        read -p "Press any key to continue"
+        exit
+    fi
+fi
+
+cp -Rf sd-ui-files/ui ui
+cp -Rf sd-ui-files/scripts scripts
+
+./scripts/on_sd_start.sh