Add configuration for file paths (fixes #722)

README.md

@@ -223,6 +223,16 @@ User ID to run makepkg if pikaur started from root.
 Setting this option would override DynamicUsers settings and force changing to this UID instead of a dynamic one.
 
 
+##### CachePath (default: ~/.cache)
+Path to package cache location.
+Will be overridden by `--xdg-cache-home` argument
+or environment variable `XDG_CACHE_HOME`, if set.
+
+##### DataPath (default: ~/.local/share)
+Path to database location.
+Will be overridden by `--xdg-data-home` argument
+or environment variable `XDG_DATA_HOME`, if set.
+
 #### [network]
 
 ##### AurUrl (default: https://aur.archlinux.org)

pikaur/args.py

@@ -236,22 +236,22 @@ def get_pikaur_str_opts(action: str | None = None) -> ArgSchema:
         (
             None, "home-dir",
             None,
-            None,
+            translate("alternative home directory location"),
         ),
         (
             None, "xdg-cache-home",
-            None,
-            None,
+            PikaurConfig().misc.CachePath.get_str(),
+            translate("alternative package cache directory location"),
         ),
         (
             None, "xdg-config-home",
             None,
-            None,
+            translate("alternative configuration file directory location"),
         ),
         (
             None, "xdg-data-home",
-            None,
-            None,
+            PikaurConfig().misc.DataPath.get_str(),
+            translate("alternative database directory location"),
         ),
         (
             None, "preserve-env",

pikaur/config.py

@@ -151,7 +151,7 @@ def init_value(cls) -> Path:
             or os.environ.get(
                 "XDG_CACHE_HOME",
             )
-            or Home()() / ".cache/",
+            or Path(PikaurConfig().misc.CachePath.get_str()),
         )
 
 
@@ -198,7 +198,7 @@ def init_value(cls) -> Path:
                 or os.environ.get(
                     "XDG_DATA_HOME",
                 )
-                or Home()() / ".local/share/",
+                or PikaurConfig().misc.DataPath.get_str(),
             ) / "pikaur"
         )
 
@@ -456,6 +456,14 @@ class DiffPagerValues:
                 "option": "NewsUrl",
             },
         },
+        "CachePath": {
+            "data_type": STR,
+            "default": str(Home()() / ".cache/"),
+        },
+        "DataPath": {
+            "data_type": STR,
+            "default": str(Home()() / ".local/share/"),
+        },
         "PacmanPath": {
             "data_type": STR,
             "default": "pacman",

pikaur/main.py

@@ -415,10 +415,11 @@ def main(*, embed: bool = False) -> None:
             sys.exit(22)
         check_runtime_deps()
 
-        create_dirs()
         # initialize config to avoid race condition in threads:
         PikaurConfig.get_config()
 
+        create_dirs()
+
         atexit.register(restore_tty)
         signal.signal(signal.SIGPIPE, signal.SIG_DFL)
         signal.signal(signal.SIGINT, create_handle_stop())