jochen
bac52a9762
Replaces the AUR greenclip (declared absent) with the official clipmenu, started once from the session's xinitrc slot, its menu the launcher's dmenu command bound as an i3 drop-in, its history in the runtime directory. Go tools read and change clipmenu's own store under its lock.
70 lines
3.7 KiB
Markdown
70 lines
3.7 KiB
Markdown
# clipmenu
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The clipboard manager as a module (novox/hq ADR 0208, research 026/04).
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- Installs `clipmenu` from the official repositories. It brings `clipnotify`, `xsel`, `xdotool` and
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`dmenu` as its own dependencies.
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- Claims the mesh's `node-clipboard` seat and serves its verbs `history` and `copy`. Requires
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`x11-display` on its own machine.
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- **Declares `rofi-greenclip` absent** (ADR 0180). This module replaces it.
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- Starts `clipmenud` **once per session**, from the session's start (the `xinitrc` slot `normal`).
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It is not a user unit as well. Its packaged unit needs user-scoped units (mesh-host #72, not
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merged), and the session start alone is one starter.
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- Binds `$mod+period` to `clipmenu`, as its own i3 drop-in (`50-clipmenu.conf`). clipmenu shows the
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history through `dmenu`, the seat command of `node-launcher`, so it looks like every other menu.
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- Its settings are environment contributions (ADR 0203), read by the daemon, the menu and the tools
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alike:
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- `CM_SELECTIONS=clipboard`: what was copied, not every highlighted word. The found greenclip did
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the same.
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- `CM_MAX_CLIPS=500`: how many clips are kept.
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- `CM_HISTLENGTH=15`: how many lines the menu shows.
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## Tools
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| tool | does |
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|---|---|
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| `node-clipboard.history` | the history, newest first, each entry once with its id, first line, time, size and text (cut) |
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| `node-clipboard.copy` | put text on the clipboard; it enters the history like any copy |
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| `clipmenu_paste` | what the clipboard holds now |
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| `clipmenu_clear` | forget the history; the daemon's locks stay |
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| `clipmenu_delete` | forget one entry, by id or first line |
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The history is read from clipmenu's own store, in the account's runtime directory, under clipmenu's
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own lock, so a copy arriving meanwhile is neither lost nor half-written. `copy` hands the text to an
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owner (`xsel`) under the account's service manager. As a child of the tools runtime, the clipboard
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would empty whenever the runtime restarted.
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## What it improves on what was found
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- **No AUR package.** greenclip came from the user repository. clipmenu is in the official one.
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- **Started once.** greenclip was started by the window manager on both workstations, and on the
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desktop by an enabled user unit as well.
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- **No absolute home path** in any configuration. greenclip's named one.
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- **The history does not outlive a reboot.** greenclip kept it in `~/.cache`, so every password ever
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copied stayed on disk. clipmenu keeps it in the runtime directory, which is memory.
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- **One menu.** The history appears in the launcher's own menu, through the seat's `dmenu` command,
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instead of a theme from a cloned theme repository.
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## What it leaves as found
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- `~/.config/greenclip.toml` and greenclip's history, `~/.cache/greenclip.history`.
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- On the desktop: greenclip's enabled user unit link
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(`~/.config/systemd/user/default.target.wants/greenclip.service`). It dangles once the package is
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gone.
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## Migration (ADR 0182)
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1. After the first push, delete `~/.config/greenclip.toml` and `~/.cache/greenclip.history`.
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2. On the desktop: `systemctl --user disable greenclip.service`, before the push if you can. The
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package's removal takes the unit file with it.
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3. Until the `i3` module carries the main configuration, the found `exec --no-startup-id greenclip
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daemon` and `$mod+period` lines stay in `~/.config/i3/config`. i3 reports `$mod+period` as bound
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twice. The `i3` module's configuration carries neither.
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## Blockers
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- `node-clipboard`, `x11-display` and the `xinitrc` slot are ADR 0208's. Until the controller knows
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them, `mctl` reads them as unknown.
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- `CM_*` reach the session through `node-env` (ADR 0203), so the account's environment module must
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be assigned too. Without it clipmenu runs on its defaults: both selections, 1000 clips, 8 lines.
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