Merge pull request #160 from signed-log/wayland-priority

Conditionally prefer wl-copy under wayland

README.md

@@ -71,7 +71,7 @@ A big advantage of `ddgr` over `googler` is DuckDuckGo works over the Tor networ
 
 `ddgr` requires Python 3.8 or later. Only the latest patch release of each minor version is supported.
 
-To copy url to clipboard at the omniprompt, `ddgr` looks for `xsel` or `xclip` or `termux-clipboard-set` (in the same order) on Linux, `pbcopy` (default installed) on OS X, `clip` (default installed) on Windows and `clipboard` (default installed) on Haiku. It also supports GNU Screen and tmux copy-paste buffers in the absence of X11.
+To copy url to clipboard at the omniprompt, `ddgr` looks for `wl-copy` (only under Wayland) or `xsel` or `xclip` or `termux-clipboard-set` (in the same order) on Linux, `pbcopy` (default installed) on OS X, `clip` (default installed) on Windows and `clipboard` (default installed) on Haiku. It also supports GNU Screen and tmux copy-paste buffers in the absence of X11.
 
 Note: v1.1 and below require the Python3 `requests` library to make HTTPS requests. This dependency is removed in the later releases.
 

ddgr

@@ -1719,12 +1719,12 @@ class DdgCmd:
             # try copying the url to clipboard using native utilities
             copier_params = []
             if sys.platform.startswith(('linux', 'freebsd', 'openbsd')):
-                if shutil.which('xsel') is not None:
+                if os.getenv('WAYLAND_DISPLAY') is not None and shutil.which('wl-copy') is not None:
+                    copier_params = ['wl-copy']
+                elif shutil.which('xsel') is not None:
                     copier_params = ['xsel', '-b', '-i']
                 elif shutil.which('xclip') is not None:
                     copier_params = ['xclip', '-selection', 'clipboard']
-                elif shutil.which('wl-copy') is not None:
-                    copier_params = ['wl-copy']
                 # If we're using Termux (Android) use its 'termux-api'
                 # add-on to set device clipboard.
                 elif shutil.which('termux-clipboard-set') is not None: