backup sway config file

nwg_shell/installer.py

@@ -15,7 +15,8 @@ License: MIT
 import os
 import sys
 import argparse
-from shutil import copy2, copytree
+from shutil import copy, copy2, copytree
+import datetime
 
 from nwg_shell.__about__ import __version__
 
@@ -35,7 +36,7 @@ def copy_from_skel(name, skip_confirmation=False):
         dst = os.path.join(config_home, name)
         print("Copying files to '{}'".format(dst), end=" ")
         try:
-            copytree(src, dst, dirs_exist_ok=True)
+            # copytree(src, dst, dirs_exist_ok=True)
             print("OK")
         except Exception as e:
             print("Failure: {}".format(e), file=sys.stderr)
@@ -54,16 +55,19 @@ def main():
                         help="display version information")
     args = parser.parse_args()
 
-    print("This script installs/overwrites configs and style sheets for sway and nwg-shell components.")
-    if not args.all:
-        a = input("You will be prompted 'Y/n' at each step. Proceed? Y/n ")
-        if a.strip().upper() != "Y":
-            print("Installation cancelled")
-            sys.exit(0)
+    print("_______________________________________________________________________________________________")
+    print("  This script installs/overwrites configs and style sheets for sway and nwg-shell components.  ")
+    print("              The only backup that will be made is the main sway config file.                  ")
+    print("  If you're running the script on your existing sway setup, you're doing it at your own risk.  ")
+    print("_______________________________________________________________________________________________")
+    a = input("\nProceed? Y/n ")
+    if a.strip().upper() != "Y":
+        print("Installation cancelled")
+        sys.exit(0)
 
     a = input("Install helper scripts? Y/n ") if not args.all else "Y"
     if a.strip().upper() == "Y" or args.all:
-        print("[Scripts installation]")
+        print("\n[Scripts installation]")
         paths = []
         bin_path = ""
         for path in os.getenv("PATH").split(":"):
@@ -104,9 +108,33 @@ def main():
         except Exception as e:
             print("Failure: {}".format(e), file=sys.stderr)
 
-    print("[Configs installation]")
-    for item in ["gtk-3.0", "sway", "nwg-panel", "nwg-wrapper", "nwg-drawer", "nwg-dock", "nwg-bar", "swaync"]:
-        copy_from_skel(item, args.all)
+    a = input("Install configs and style sheets? Y/n ") if not args.all else "Y"
+    if a.strip().upper() == "Y" or args.all:
+        print("\n[Configs installation]")
+
+        # Backup sway config file
+        now = datetime.datetime.now()
+        new_name = now.strftime("config-backup-%Y%m%d-%H%M%S")
+        src = os.path.join(config_home, "sway/config")
+        dst = os.path.join(config_home, "sway/{}".format(new_name))
+        proceed = True
+        backup = False
+        try:
+            copy(src, dst)
+            backup = True
+        except Exception as e:
+            print("Error: {}".format(e))
+            a = input("Proceed with installation? Y/n ")
+            proceed = a.strip().upper() == "Y"
+
+        if proceed:
+            for item in ["gtk-3.0", "sway", "nwg-panel", "nwg-wrapper", "nwg-drawer", "nwg-dock", "nwg-bar", "swaync"]:
+                copy_from_skel(item, args.all)
+            if backup:
+                print("\n*** Original sway config file '{}' has been renamed to '{}'".format(src, new_name))
+            print("That's all. You may run sway now.")
+        else:
+            print("Configs installation cancelled")
 
 
 if __name__ == '__main__':

setup.py

@@ -9,7 +9,7 @@ def read(f_name):
 
 setup(
     name='nwg-shell',
-    version='0.1.0',
+    version='0.1.1',
     description='GTK3-based shell for sway Wayland compositor',
     packages=find_packages(),
     include_package_data=True,