l0ng-ai
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tty7
tty7 is a fast, GPU-accelerated terminal workbench with persistent sessions, built-in input tools, SSH support, and coding agent awareness.
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FR-AI / ANALYSISWhy it is worth attention
It adds a safety net directly in the shell: dangerous commands are intercepted before execution and at-risk files are snapshotted, so users can undo mistakes with a single `oops` command.
Who it is for
- Developers and power users who frequently run destructive shell commands
- Sysadmins managing servers or workstations via the shell
- Users of bash/zsh/fish wanting an extra safety net for CLI operations
Use cases
- Recover files accidentally deleted with rm
- Undo in-place edits made by sed -i or redirects
- Restore state before destructive git commands like git reset --hard
- Browse and restore snapshots from the last 48 hours or 2 GB of storage
Strengths
- Automatic interception via shell preexec hooks and a background daemon
- Uses reflink copies on Btrfs/ZFS and plain copies elsewhere, with SQLite metadata
- Includes TUI commands (list/diff) and snapshot pinning to avoid garbage collection
- Conflict detection compares mtime before restoring older snapshots
Considerations
- Cannot intercept commands from cron, systemd services, GUI apps, scripts without the hook, or non-interactive shells
- Requires a user systemd service and shell hook setup; Linux platform only
- Retention is limited to 48 hours or 2 GB unless snapshots are pinned
README quick start
Undo daemon for destructive shell commands
Before rm, mv, sed -i, >, git reset --hard, and friends run, their target files get snapshotted — so you can undo the damage.
oops
→ undoes whatever you just broke.
Install
cargo build --release
install -Dm755 target/release/oops ~/.local/bin/oops
install -Dm644 systemd/oopsd.service ~/.config/systemd/user/oopsd.service
systemctl --user daemon-reload
systemctl --user enable --now oopsd
loginctl enable-linger "$USER"
eval "$(oops init bash)" # or: zsh, fish
Commands
| Command | Description |
|---|---|
oops | Undo the most recent restorable snapshot |
oops undo [id] | Undo a specific snapshot (default: newest) |
oops list | Browse snapshot history (TUI, ↑↓/jk to navigate) |
oops diff | Show files captured in a snapshot (TUI) |
oops status | Daemon status, storage usage, l |
Description
🛡️ Undo daemon for destructive shell commands
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