From a1ef96094fdf5900403602229ab4906174b6c10b Mon Sep 17 00:00:00 2001
From: aclist <92275929+aclist@users.noreply.github.com>
Date: Thu, 4 Jun 2026 19:41:43 +0900
Subject: [PATCH] feat: check for missing local library

---
 dzgui/init/libgi.py | 51 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 dzgui/init/libgi.py

diff --git a/dzgui/init/libgi.py b/dzgui/init/libgi.py
new file mode 100644
index 0000000..90041ad
--- /dev/null
+++ b/dzgui/init/libgi.py
@@ -0,0 +1,51 @@
+import platform
+import sys
+
+from pathlib import Path
+
+LIB = "libgirepository-2.0"
+
+
+def is_debian() -> bool:
+    """
+    cf.
+
+    NAME="Debian GNU/Linux"
+    ID=debian
+
+    NAME="Ubuntu"
+    ID=ubuntu
+    ID_LIKE=debian
+
+    NAME="Linux Mint"
+    ID=linuxmint
+    ID_LIKE="ubuntu debian"
+
+    NAME="Pop!_OS"
+    ID=pop
+    ID_LIKE="ubuntu debian"
+    """
+    release = platform.freedesktop_os_release()
+    strings = ["ubuntu debian", "debian"]
+    try:
+        self_id = release["ID"]
+        if self_id == "debian":
+            return True
+        id_like = release["ID_LIKE"]
+        return id_like in strings
+    except Exception as e:
+        print(e)
+        return False
+
+
+def has_libgi() -> bool:
+    parent_dir = Path("/usr/lib64")
+    exists = any(LIB in subdir.name for subdir in parent_dir.iterdir())
+    return exists
+
+
+def test_missing_lib() -> bool:
+    if is_debian() and has_libgi() is False:
+        # TODO: clean up warning
+        print(f"sudo apt install {LIB}")
+        sys.exit(1)