🧽 Sponge 
Don't you hate it when you spend half an hour searching for a command, finally find it and happily press
Enteronly to realize a couple of seconds later... it's not that one, it's another one you've entered two months ago, the one with the typo.
Ugh. Awful. Ungodly. Unproductive. Your day is ruined… unless you use Sponge.
Sponge quietly runs in the background and keeps your shell history clean from typos, incorrectly used commands and everything you don't want to store due to privacy reasons.
💾 Installation
Install with Fisher:
fisher install meaningful-ooo/sponge🤖 System requirements
- fish 3.2+
🕹️ Usage
Just use your shell as usual and enjoy typos-free history
Sponge will automatically filter out all failed commands unless they have been in the history before. The last 2 entries are always available so you can quickly fix a misspelled command.
Sponge won’t filter commands retroactively. If you don’t want previously mistyped commands clogging up your search results, clear the history once after Sponge installation:
history clear⚙️ Settings
💩 Filter failed
By default Sponge will filter out all commands that don’t have 0 as an exit code. You can tweak which exit codes Sponge considers successful with sponge_successful_exit_codes variable:
set sponge_successful_exit_codes 0 127If you wish to filter out all failed commands regardless of whether they already have been in the history or not, change sponge_allow_previously_successful variable:
set sponge_allow_previously_successful false🕵🏻 Filter by regex
You can use the full power of regular expressions to filter out unwanted commands. Set sponge_regex_patterns variable and everything matched will be kept away from the history. For example, to filter out every command that contains IPv4 address, type:
set sponge_regex_patterns '(?:\d{1,3}\.){3}\d{1,3}'🦥 Adjusting delay
By default Sponge delays deleting of filtered command so you can always access the last 2 history entries. If you want to remove commands immediately or increase the delay, change sponge_delay variable:
set sponge_delay 5🤓 Custom filters
Sponge works by invoking an array of filters. You can plug into this mechanism by defining your own filters.
Filter is simply a function with a specific call signature:
| Argument | Name | Description |
|---|---|---|
| 1 | command |
The exact command that was entered |
| 2 | exit_code |
The exit code of the command |
| 3 | previously_in_history |
true or false flag indicating if the command has been in the history before |
Return with exit status 0 to filter out provided command and anything else to keep the command in the history.
You can define your filter in config.fish or as a standalone function in fish functions folder.
Be mindful of what you put in filters, as they are run synchronously after each command execution and can slow down your prompt in case of compute-intensive tasks or network requests.
After that you need to register your filter with Sponge by adding its name in sponge_filters variable:
set --append sponge_filters my_awesome_filterMake sure to append sponge_filters like in the example above unless you want to disable the built in filters:
sponge_filter_failedfilters by command exit codesponge_filter_matchedfilters using regex patterns
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