From 5c9ce66c031788df50bbfbea195bf773ddbf92bc Mon Sep 17 00:00:00 2001
From: Haikal <152383572+haikalllp@users.noreply.github.com>
Date: Wed, 29 Apr 2026 21:56:07 +0800
Subject: [PATCH] feat: expose more environment variables in post-hook (#107)

* feat: expose more environment variables in post-hook

* fix: formatted
---
 README.md                        |  2 +-
 src/caelestia/utils/wallpaper.py | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 82dcb1d..d72027c 100644
--- a/README.md
+++ b/README.md
@@ -191,7 +191,7 @@ All configuration options are in `~/.config/caelestia/cli.json`.
         "extraArgs": []
     },
     "wallpaper": {
-        "postHook": "echo $WALLPAPER_PATH"
+        "postHook": "echo $WALLPAPER_PATH $SCHEME_NAME $SCHEME_FLAVOUR $SCHEME_MODE $SCHEME_VARIANT $SCHEME_COLOURS"
     },
     "theme": {
         "enableTerm": true,
diff --git a/src/caelestia/utils/wallpaper.py b/src/caelestia/utils/wallpaper.py
index 02d3f4e..227a8fd 100644
--- a/src/caelestia/utils/wallpaper.py
+++ b/src/caelestia/utils/wallpaper.py
@@ -192,7 +192,16 @@ def set_wallpaper(wall: Path, no_smart: bool) -> None:
             subprocess.run(
                 post_hook,
                 shell=True,
-                env={**os.environ, "WALLPAPER_PATH": str(wall)},
+                env={
+                    **os.environ,
+                    "WALLPAPER_PATH": str(wall),
+                    "SCHEME_NAME": scheme.name,
+                    "SCHEME_FLAVOUR": scheme.flavour,
+                    "SCHEME_MODE": scheme.mode,
+                    "SCHEME_VARIANT": scheme.variant,
+                    "SCHEME_COLOURS": json.dumps(scheme.colours),
+                    "THUMBNAIL_PATH": str(thumb),
+                },
                 stderr=subprocess.DEVNULL,
             )
     except (FileNotFoundError, json.JSONDecodeError):