Terminal (Linux): add kitty version detection fast path back

Author: CarterLi

src/detection/terminalshell/terminalshell.c

@@ -485,6 +485,33 @@ static bool getTerminalVersionZed(FFstrbuf* exe, FFstrbuf* version)
 #ifndef _WIN32
 static bool getTerminalVersionKitty(FFstrbuf* exe, FFstrbuf* version)
 {
+    #if defined(__linux__) || defined(__FreeBSD__)
+    char buffer[1024] = {};
+    if (
+        #ifdef __linux__
+        ffReadFileData(FASTFETCH_TARGET_DIR_USR "/lib64/kitty/kitty/constants.py", sizeof(buffer) - 1, buffer) ||
+        ffReadFileData(FASTFETCH_TARGET_DIR_USR "/lib/kitty/kitty/constants.py", sizeof(buffer) - 1, buffer)
+        #else
+        ffReadFileData(_PATH_LOCALBASE "/share/kitty/kitty/constants.py", sizeof(buffer) - 1, buffer)
+        #endif
+    )
+    {
+        // Starts from version 0.17.0
+        // https://github.com/kovidgoyal/kitty/blob/master/kitty/constants.py#L25
+        const char* p = memmem(buffer, sizeof(buffer) - 1, "version: Version = Version(", strlen("version: Version = Version("));
+        if (p)
+        {
+            p += strlen("version: Version = Version(");
+            int major, minor, patch;
+            if (sscanf(p, "%d,%d,%d", &major, &minor, &patch) == 3)
+            {
+                ffStrbufSetF(version, "%d.%d.%d", major, minor, patch);
+                return true;
+            }
+        }
+    }
+    #endif
+
     char versionHex[64];
     // https://github.com/fastfetch-cli/fastfetch/discussions/1030#discussioncomment-9845233
     if (ffGetTerminalResponse(