fix(zellij): repair scrollback logging on shell exit #55
@@ -66,13 +66,18 @@ This config captures terminal output to `~/.terminal_history` (override with
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| Kitty scrollback | When a Kitty window/tab closes | `scrollback_<timestamp>.log` |
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| tmux pane | Continuously while the pane is open (`pipe-pane`) | `tmux_<session>-w<win>-p<pane>_<timestamp>.log` |
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| zellij pane | Snapshot taken on shell exit (`dump-screen`) | `zellij_<session>-p<pane>_<timestamp>.log` |
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| zellij pane | Snapshot taken on **clean** shell exit (`dump-screen`) | `zellij_<session>-p<pane>_<timestamp>.log` |
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| `paru` wrapper | Every `paru` invocation | `paru_<timestamp>.log` |
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| `yay` wrapper | Every `yay` invocation | `yay_<timestamp>.log` |
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Old logs are pruned automatically to stay within `$SCROLLBACK_HISTORY_MAX_FILES`
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(default 100) per source, and empty/trivial captures are discarded.
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> **zellij caveat:** zellij has no continuous pipe like tmux, so its pane is
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> snapshotted only on a clean shell exit (`exit`/Ctrl-D). Closing a pane or
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> quitting zellij directly tears down the pane/server before it can be dumped,
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> so those sessions are not logged. End with `exit` to guarantee a log.
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**These logs can contain secrets** — anything printed to your terminal (command
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output, file dumps, tokens echoed to stdout) ends up in them. They never leave
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your machine, but treat `~/.terminal_history` as sensitive.
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+45
-5
@@ -133,7 +133,9 @@ logging=## 5.11 Pager and Logging
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logs=### logs
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smart-exit=### smart_exit
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ai=## 5.12 AI and Developer Tools
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antigravity=### antigravity
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antigravity=### antigravity-resume
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antigravity-ide=### antigravity-ide
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agy=### agy
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claude-cli=### claude
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claude=### claude-resume
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claude-docs=### claude-docs
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@@ -155,7 +157,37 @@ joplin=### joplin
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replay=### replay
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tmux=### tmux-clean
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wake-lock=### wake-lock
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zellij=### zellij
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# ── Tool-name synonyms (replacement → shadowed command) ──────
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# These tools don't appear in any heading, so the fallback scan can't
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# find them; map each to the function that wraps it.
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eza=### ls
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exa=### ls
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lsd=### ls
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trash=### rm
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btop=### top
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prettyping=### ping
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duf=### du
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dust=### du
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kitten=### ssh
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bat=### cat
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# ── Tool integrations (Section: Integrations) ────────────────
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zoxide=### Zoxide
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z=### Zoxide
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direnv=### DirEnv
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venv=### Auto Python Venv
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virtualenv=### Auto Python Venv
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python=### Auto Python Venv
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wakatime=### WakaTime
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tailscale=### Tailscale
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done=### Done Notifications
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notifications=### Done Notifications
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notify=### Done Notifications
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pager-hierarchy=## Pager Hierarchy
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shell-aliases=## 4.11 Shell Aliases
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kitty-logging=### kitty-logging
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watcher=### kitty-logging
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# ── Section 6: Dependency Catalog ────────────────────────────
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catalog=# 6. DEPENDENCY CATALOG
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@@ -193,6 +225,11 @@ integrations-detail=#### C4 — Terminal and Tool Integration
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c5=#### C5 — Logging and Capture
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logging-detail=#### C5 — Logging and Capture
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logging-sentinel=#### C5 — Logging and Capture
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zellij=#### C5 — Logging and Capture
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zellij-logging=#### C5 — Logging and Capture
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tmux-logging=#### C5 — Logging and Capture
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pipe-pane=#### C5 — Logging and Capture
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dump-screen=#### C5 — Logging and Capture
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c6=#### C6 — Greeting and First-Run UI
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greeting=#### C6 — Greeting and First-Run UI
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@@ -225,13 +262,16 @@ updating=## Updating
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# ── Section 10: Personalization ───────────────────────────────
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personalization=# 10. PERSONALIZATION
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personalize=# 10. PERSONALIZATION
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secrets=## secrets.fish
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secrets-file=## secrets.fish
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local-config=## local.fish
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# ── Section 11: Viewing This Manual ──────────────────────────
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viewing=# 11. VIEWING THIS MANUAL
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manual=# 11. VIEWING THIS MANUAL
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ov=## With ov (recommended)
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man-page=## As a man page (if compiled)
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manpage=## As a man page (if compiled)
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man-page=## As a man page
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manpage=## As a man page
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jump=## Jumping to a section
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html=## In the browser (HTML)
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browser=## In the browser (HTML)
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wiki=## As a wiki
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+26
-11
@@ -1423,11 +1423,6 @@ Add -i (interactive confirmation) to destructive commands:
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wake-lock rsync -avz src/ dest/
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### zellij
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Synopsis: zellij [args...]
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Launches zellij with the Catppuccin Mocha theme applied.
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---
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# 6. DEPENDENCY CATALOG
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@@ -1750,12 +1745,32 @@ SCROLLBACK_HISTORY_MAX_FILES, matching the paru/yay wrapper behaviour.
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The zellij capture works differently: Zellij has no live output-streaming
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facility like pipe-pane, so the log is taken as a one-shot snapshot when the
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shell exits, via `zellij action dump-screen --full`. A fish_exit handler
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(registered whenever $ZELLIJ is set) writes the pane's full scrollback and
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then prunes old zellij_*.log files the same way. Because the capture happens
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at exit, toggling __fish_config_op_logging takes effect on the next exit with
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no restart or sentinel coordination needed — the C5 guard is re-checked when
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the handler fires.
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shell exits, via `zellij action dump-screen --full --ansi` (the --ansi flag
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preserves color). The dump is captured on the fish process's stdout and
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written to the log file by fish itself (not via `--path`, which would make the
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zellij server write the file). A fish_exit handler (registered whenever
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$ZELLIJ is set) writes the pane's full scrollback and then prunes old
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zellij_*.log files the same way. Because the capture happens at exit, toggling
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__fish_config_op_logging takes effect on the next exit with no restart or
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sentinel coordination needed — the C5 guard is re-checked when the handler
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fires.
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LIMITATION — zellij capture only fires on a clean shell exit (typing `exit`,
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Ctrl-D, or a logout), because that is when the fish_exit handler runs. It does
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NOT capture when you close a pane or quit zellij through zellij itself:
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- Closing a pane signals the shell and tears the pane down concurrently, so
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even if the handler runs, `dump-screen` may find the pane buffer already
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gone.
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- Quitting zellij kills the zellij server, and `dump-screen` needs a live
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server to read from — there is nothing left to snapshot.
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This is a structural difference from tmux, NOT a bug. tmux streams pane output
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to disk continuously via pipe-pane, so whatever was printed is already saved
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no matter how the pane dies. Zellij can only snapshot, and the only reliable
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snapshot point from the shell is a clean exit. To guarantee a zellij pane is
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logged, end the session with `exit` or Ctrl-D rather than zellij's close-pane
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or quit actions.
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The Kitty watcher is managed by the kitty-logging command: it installs a
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version-marked watcher (fish-config-watcher.py) into the Kitty config directory
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@@ -34,7 +34,12 @@ function _zellij_dump_log --description 'Dump the current Zellij pane scrollback
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set -l log_file "$log_dir/zellij_"$session"-p"$pane_id"_"$timestamp".log"
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mkdir -p $log_dir
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zellij action dump-screen --full "$log_file" 2>/dev/null
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# Dump to STDOUT and let this fish process write the file. `--path` makes the
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# zellij *server* write the file (its CWD/permissions, historically flaky);
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# capturing STDOUT keeps the write client-side and reliable. Drop the empty
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# file if the dump produced nothing (e.g. pane already torn down on exit).
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zellij action dump-screen --full --ansi >"$log_file" 2>/dev/null
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test -s "$log_file"; or command rm -f "$log_file"
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_prune_terminal_logs zellij
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end
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@@ -1,19 +0,0 @@
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# Copyright (C) 2026 Rootiest
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# SYNOPSIS
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# zellij [args...]
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#
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# DESCRIPTION
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# Launches zellij with the Catppuccin Mocha theme applied via
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# --theme catppuccin-mocha.
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#
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# ARGUMENTS
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# args... Arguments forwarded to zellij
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#
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# EXAMPLE
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# zellij
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function zellij --wraps='zellij' --description 'alias zellij=zellij options --theme catppuccin-mocha'
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command zellij options --theme catppuccin-mocha $argv
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end
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Reference in New Issue
Block a user