More robust choco install and helpful install_deps.py messages (#7461)

* Only show error/success conditionally

* Make choco install more robust

* Improve deps script to remind about restarting shells

* Add note about Mac Qt

* Update ChangeLog

ChangeLog

@@ -7,6 +7,7 @@ Enhancements:
 - #7445 Update `config.yaml` to support Linux Mint build target
 - #7453 Change default value for dev thanks message
 - #7455 Use EI screen when XDG_SESSION_TYPE is "wayland"
+- #7461 More robust `choco` install and helpful `install_deps.py` messages
 
 # 1.15.1
 

scripts/install_deps.py

@@ -52,9 +52,23 @@ def main():
 
     colors = env.import_colors()
     print()
-    print(f"{colors.SUCCESS_TEXT} Dependencies installed")
 
+    if error:
+        print(f"{colors.ERROR_TEXT} Failed to install dependencies")
+    else:
+        print(f"{colors.SUCCESS_TEXT} Dependencies installed")
+
+        # On Windows and macOS, we set env vars for cmake, but for them to be picked up,
+        # either the shell needs to be restarted or the env vars need to be re-sourced.
+        # Restarting the shell is easier for most people.
+        if not env.is_linux():
+            print(f"{colors.WARNING_TEXT} Please restart your shells for new env vars")
+
+    # Useful on Windows, when elevated, Python is opened in a new window and closes
+    # immediately after the script finishes. This keeps the script window open so that
+    # the user can see the output.
     if args.pause_on_exit:
+        print()
         input("Press enter to continue...")
 
     if error:
@@ -138,6 +152,10 @@ class Dependencies:
         """Installs dependencies on macOS."""
         import lib.mac as mac
 
+        # On macOS, brew does have a Qt package available, but it is always built against the
+        # current macOS version and the brew version also does some really weird stuff with the
+        # library symbols, which confuses the heck out of `macqtdeploy`. So, using the official
+        # Qt library binaries seems to be the most reliable option for distribution.
         qt = qt_utils.MacQt(*self.config.get_qt_config())
         qt.install()
 

scripts/lib/colors.py

@@ -3,7 +3,7 @@ from colorama import Fore  # type: ignore
 
 colorama.init()
 
-SUCCESS_TEXT = f"{Fore.GREEN}Success:{Fore.RESET}"
+SUCCESS_TEXT = f"{Fore.LIGHTGREEN_EX}Success:{Fore.RESET}"
 ERROR_TEXT = f"{Fore.RED}Error:{Fore.RESET}"
-WARNING_TEXT = f"{Fore.YELLOW}Warning:{Fore.RESET}"
+WARNING_TEXT = f"{Fore.LIGHTYELLOW_EX}Warning:{Fore.RESET}"
 HINT_TEXT = f"{Fore.LIGHTBLUE_EX}Hint:{Fore.RESET}"

scripts/lib/windows.py

@@ -147,12 +147,8 @@ class WindowsChoco:
                 print_cmd=True,
             )
         else:
-            cmd_utils.run(
-                "winget install chocolatey",
-                check=False,
-                shell=True,
-                print_cmd=True,
-            )
+            self.ensure_choco_installed()
+
             cmd_utils.run(
                 command,
                 shell=True,
@@ -186,3 +182,26 @@ class WindowsChoco:
                     print(f"Removed package from choco config: {remove}")
 
         tree.write(choco_config_file)
+
+    def ensure_choco_installed(self):
+        if cmd_utils.has_command("choco"):
+            return
+
+        if not cmd_utils.has_command("winget"):
+            print("The winget command was not found", file=sys.stderr)
+            sys.exit(1)
+
+        print("The choco command was not found, installing Chocolatey...")
+        cmd_utils.run(
+            "winget install chocolatey",
+            check=False,
+            shell=True,
+            print_cmd=True,
+        )
+
+        if not cmd_utils.has_command("choco"):
+            print(
+                "The choco command was still not found, please re-run this script...",
+                file=sys.stderr,
+            )
+            sys.exit(1)