Map Linux clipboard MIME types to macOS UTIs - #4
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NSPasteboard rejects Wayland/X11 type names such as text/plain, image/png, and UTF8_STRING. Copies from Linux therefore published an empty pasteboard even when the SSH bridge was healthy. Normalize known portable formats to UTIs before publish, collapse duplicates, and skip remaining non-UTI types.
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Problem
Linux Wayland/X11 clipboards advertise types such as
text/plain,text/plain;charset=utf-8,UTF8_STRING, andimage/png. macOSNSPasteboardonly accepts UTIs. Applying those names as-is logs:and then
native clipboard was empty immediately after publishing. Mac → Linux still works because capture already adds portable aliases.Reproduced on ssh-clipboard 0.2.8 between Omarchy (Hyprland/Wayland) and macOS 26, with a healthy persistent SSH bridge.
Change
On macOS apply:
text/plain→public.utf8-plain-text,image/png→public.png, and the rest of the existing alias table in reverse).STRING,TEXT, custom MIME) instead of handing them to NSPasteboard.Linux capture is unchanged. This is the apply-side half of the portable alias table already documented for macOS capture.
Test plan
pbpastematcheswl-pastematchesclipboard infoincludesPNGf