modify gui.sh to validate requirements and apply args

gui.sh

@@ -1,3 +1,13 @@
 #!/bin/bash
+
+# Activate the virtual environment
 source venv/bin/activate
-python kohya_gui.py 
+
+# Validate the requirements and store the exit code
+python tools/validate_requirements.py
+exit_code=$?
+
+# If the exit code is 0, run the kohya_gui.py script with the command-line arguments
+if [ $exit_code -eq 0 ]; then
+    python kohya_gui.py "$@"
+fi

tools/validate_requirements.py

@@ -1,3 +1,4 @@
+import os
 import sys
 import pkg_resources
 
@@ -32,7 +33,8 @@
         print("Error: The following packages have the wrong version:")
         for requirement, expected_version, actual_version in wrong_version_requirements:
             print(f" - {requirement} (expected version {expected_version}, found version {actual_version})")
-    print('\nRun \033[33mupgrade.ps1\033[0m or \033[33mpip install -U -r requirements.txt\033[0m to resolve the missing requirements listed above...')
+    upgrade_script = "upgrade.ps1" if os.name == "nt" else "upgrade.sh"
+    print(f"\nRun \033[33m{upgrade_script}\033[0m or \033[33mpip install -U -r requirements.txt\033[0m to resolve the missing requirements listed above...")
 
     sys.exit(1)
 

upgrade.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# Check if there are any changes that need to be committed
+if [[ -n $(git status --short) ]]; then
+    echo "There are changes that need to be committed. Please stash or undo your changes before running this script." >&2
+    exit 1
+fi
+
+# Pull the latest changes from the remote repository
+git pull
+
+# Activate the virtual environment
+source venv/bin/activate
+
+# Upgrade the required packages
+pip install --upgrade -r requirements.txt