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Andrey Orst 2019-03-28 09:05:17 +03:00
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@ -3,16 +3,16 @@
[![GitHub release][1]][2] [![GitHub Release Date][3]][4] [![GitHub release][1]][2] [![GitHub Release Date][3]][4]
![Github commits (since latest release)][5] ![license][6] ![Github commits (since latest release)][5] ![license][6]
**fzf.kak** is a plugin for [Kakoune][7] editor, that brings integration with **fzf.kak** is a plugin for [Kakoune][7] editor, that brings integration with
[fzf][8] tool. This plugin is being tested against Kakoune [fzf][8] tool. This plugin is being tested against Kakoune 2018.09.04.
2018.09.04. **fzf.kak** also supports [skim][9], which can be used via **fzf.kak** also supports [skim][9], which can be used via `fzf_implementation`
`fzf_implementation` option. option.
![showcase][10] ![showcase][10]
## Installation ## Installation
### With [plug.kak][11] (recommended) ### With [plug.kak][11] (recommended)
Recommended way to install is to use plug.kak plugin manager. You can install Recommended way to install is to use plug.kak plugin manager. You can install
**fzf.kak** by adding this to your `kakrc`: **fzf.kak** by adding this to your `kakrc`:
```kak ```kak
@ -22,9 +22,9 @@ plug "andreyorst/fzf.kak"
Then reload Kakoune config or restart Kakoune and run `:plug-install`. Then reload Kakoune config or restart Kakoune and run `:plug-install`.
### Without plugin manager ### Without plugin manager
This plugin consists of several parts which are "modules", that provide This plugin consists of several parts which are "modules", that provide
different functions to plugin. There's central module that must be loaded different functions to plugin. There's central module that must be loaded
before any other module, named `fzf.kak`, so in order to properly load before any other module, named `fzf.kak`, so in order to properly load
**fzf.kak** plugin, you need to source it in your `kakrc`. **fzf.kak** plugin, you need to source it in your `kakrc`.
Assuming that you've cloned **fzf.kak** repository to your Kakoune configuration Assuming that you've cloned **fzf.kak** repository to your Kakoune configuration
@ -34,8 +34,8 @@ folder:
source "/path/to/fzf.kak/rc/fzf.kak" # loading base fzf module source "/path/to/fzf.kak/rc/fzf.kak" # loading base fzf module
``` ```
This will load base `fzf` module, but It can't do anything on it's own. You can This will load base `fzf` module, but It can't do anything on it's own. You can
load only needed modules, to keep your configuration rather simple, or load load only needed modules, to keep your configuration rather simple, or load
every module if you need all plugin abilities: every module if you need all plugin abilities:
```sh ```sh
@ -47,14 +47,14 @@ source "/path/to/fzf.kak/rc/modules/fzf-ctags.kak" # search for tag in your pro
``` ```
The same principle is applied to handling different version control systems. You The same principle is applied to handling different version control systems. You
need a base module for `fzf`, called `fzf-vcs.kak` and its sub-modules for each need a base module for `fzf`, called `fzf-vcs.kak` and its sub-modules for each
VCS. There are plenty of version control systems, so modules come in handy. VCS. There are plenty of version control systems, so modules come in handy.
```sh ```sh
source "/path/to/fzf.kak/rc/modules/fzf-vcs.kak" # VCS base module source "/path/to/fzf.kak/rc/modules/fzf-vcs.kak" # VCS base module
``` ```
So if you never work with, say, GNU Bazaar, or Mercurial you can remove them So if you never work with, say, GNU Bazaar, or Mercurial you can remove them
from your configuration. from your configuration.
```sh ```sh
@ -64,60 +64,61 @@ source "/path/to/fzf.kak/rc/modules/VCS/fzf-hg.kak" # Mercurial VCS
source "/path/to/fzf.kak/rc/modules/VCS/fzf-svn.kak" # Subversion module source "/path/to/fzf.kak/rc/modules/VCS/fzf-svn.kak" # Subversion module
``` ```
You can see that we load less nested modules first, and then go deeper and You can see that we load less nested modules first, and then go deeper and
deeper. Besides that order of files within single depth level doesn't deeper. Besides that order of files within single depth level doesn't
matter. This may look complex, but it makes plugin more versatile. And plugin matter. This may look complex, but it makes plugin more versatile. And plugin
managers, like [plug.kak][11] for example, just does all those steps for you. managers, like [plug.kak][11] for example, just does all those steps for you.
By the way, this structure makes it easy to extend plugin with new modules, and By the way, this structure makes it easy to extend plugin with new modules, and
you [can add modules on your own][20]! you [can add modules on your own][20]!
## Usage ## Usage
There's no default key binding to invoke `fzf`, but **fzf.kak** provides a There's no default key binding to invoke `fzf`, but **fzf.kak** provides a
`fzf-mode` command that can be mapped to preferred key. You can set your own `fzf-mode` command that can be mapped to preferred key. You can set your own
mapping to invoke `fzf-mode`: mapping to invoke `fzf-mode`:
```kak ```kak
map global normal <c-p> ': fzf-mode<ret>' map global normal <c-p> ': fzf-mode<ret>'
# note that the space after colon is intentional to suppess fzf-mode to show in command history
``` ```
Each `fzf` sub-command has mnemonic mapping, like `f` for opening files, `t` for Each `fzf` sub-command has mnemonic mapping, like `f` for opening files, `t` for
tags and so on. Available mappings: tags and so on. Available mappings:
- <kbd>b</kbd> - Select buffer
- <kbd>c</kbd> - Switch server's working directory
- <kbd>f</kbd> - Search for file and open it
- <kbd>v</kbd> - Edit file in version control system tree
- <kbd>Alt+v</kbd> - Explicitly select which VCS command to run
- <kbd>s</kbd> - Search over buffer contents and jump to result line
- <kbd>t</kbd> - Browse ctags tags
- <kbd>Alt+t</kbd> - Select tag kind filter on per language basis
So for example pressing <kbd>Ctrl+p</kbd><kbd>f</kbd> will open `fzf` at the - <kbd>b</kbd> - Select buffer.
bottom of the Kakoune buffer, showing you all possible files. - <kbd>c</kbd> - Switch server's working directory.
- <kbd>f</kbd> - Search for file and open it.
- <kbd>v</kbd> - Edit file in version control system tree.
- <kbd>Alt</kbd>+<kbd>v</kbd> - Explicitly select which VCS command to run.
- <kbd>s</kbd> - Search over buffer contents and jump to result line.
- <kbd>t</kbd> - Browse ctags tags.
- <kbd>Alt</kbd>+<kbd>t</kbd> - Select tag kind filter on per language basis.
### Settings So for example pressing <kbd>Ctrl</kbd>+<kbd>p</kbd> <kbd>f</kbd> will open
`fzf` at the bottom of the Kakoune buffer, showing you all possible files.
### Configuration
**fzf.kak** features a lot of settings via options that can be altered to change **fzf.kak** features a lot of settings via options that can be altered to change
how **fzf.kak** behaves. how **fzf.kak** behaves.
#### Tmux #### Tmux
When using inside tmux, `fzf` will use bottom split. Height of this split can be When using inside tmux, `fzf` will use bottom split. Height of this split can be
changed with `fzf_tmux_height` option. `fzf_tmux_height_file_preview` option is changed with `fzf_tmux_height` option. `fzf_tmux_height_file_preview` option is
used to control height of the split when you do file searching with file-preview used to control height of the split when you do file searching with file-preview
turned on. turned on.
#### File with file-preview turned on. #### File with preview window
You can configure what command to use to search for files, and it's arguments. You can configure what command to use to search for files, and it's arguments.
Supported tools are [GNU Find][12], [The Silver Searcher][13], [ripgrep][14], Supported tools are [GNU Find][12], [The Silver Searcher][13], [ripgrep][14],
[fd][15]. GNU find is used by default, but you can switch to another one. There [fd][15]. GNU find is used by default, but you can switch to another one. There
are some default values for those, so you can go: are some default values for those, so you can go:
```kak ```kak
set-option global fzf_file_command 'rg' # 'ag', 'fd' or 'find' set-option global fzf_file_command 'rg' # 'ag', 'fd', or 'find'
``` ```
Or if you don't like default file arguments, which are `find -type f`, and would Or if you don't like default file arguments, which are `find -type f`, and would
like to disable searching in, say `.git` directories you can set it like so: like to disable searching in, say `.svn` or `.git` directories you can set it
like so:
```kak ```kak
set-option global fzf_file_command "find . \( -path '*/.svn*' -o -path '*/.git*' \) -prune -o -type f -print" set-option global fzf_file_command "find . \( -path '*/.svn*' -o -path '*/.git*' \) -prune -o -type f -print"
@ -127,12 +128,12 @@ The same pattern applies for other commands, except `buffer`, and `cd`.
#### VCS #### VCS
This script supports these version control systems: Git, Subversion, GNU Bazaar, This script supports these version control systems: Git, Subversion, GNU Bazaar,
Mercurial. By default <kbd>v</kbd> mapping from `fzf mode` will detect your and Mercurial. By default <kbd>v</kbd> mapping from `fzf` mode will detect your
version control system and open `fzf` for you. If you wish to explicitly use version control system and open `fzf` window for you. If you wish to explicitly
some particular VCS command, you can use `V` mapping, which includes all use some particular VCS command, you can use <kbd>Alt</kbd>+<kbd>v</kbd>
supported VCS shortcuts. mapping, which includes all supported VCS shortcuts.
You also able to set parameters to VCS command to use to provide project You also able to set parameters to VCS command to use to provide project
files. Supported options: files. Supported options:
* `fzf_git_command` * `fzf_git_command`
@ -140,8 +141,8 @@ files. Supported options:
* `fzf_bzr_command` * `fzf_bzr_command`
* `fzf_hg_command` * `fzf_hg_command`
Other VCS are not supported officially. Open a feature request if you want some Other VCS are not supported officially. Open a feature request if you want some
unsupported VCS to be included. You also can change one of options to contain unsupported VCS to be included. You also can change one of options to contain
your VCS command, and use this command explicitly from VCS sub-mode. your VCS command, and use this command explicitly from VCS sub-mode.
#### ctags #### ctags
@ -152,32 +153,32 @@ and others:
set-option global fzf_tag_command 'readtags -l | cut -f1 | sort -u | ... ' set-option global fzf_tag_command 'readtags -l | cut -f1 | sort -u | ... '
``` ```
Though it is not recommended, since `sort` may slowdown `fzf-tag` on huge Though it is not recommended, since `sort` may slowdown `fzf-tag` on huge
projects. projects.
##### Filtering tags ##### Filtering tags
Since ctags supports showing particular kind of tag for many languages, Since ctags supports showing particular kind of tag for many languages,
`fzf-tag` dynamically defines mappings for those languages with <kbd>Alt</kbd> `fzf-tag` dynamically defines mappings for those languages with <kbd>Alt</kbd>
key based on current filetype. For example to show only functions while key based on current filetype. For example to show only functions while
`fzf-tag` is active press <kbd>Alt</kbd>+<kbd>f</kbd>. It will reload `fzf` `fzf-tag` is active press <kbd>Alt</kbd>+<kbd>f</kbd>. It will reload `fzf`
window and only function tags will be listed. window and only function tags will be listed.
#### Preview #### Preview
When using X11 **fzf.kak** automatically tries to detect where to show preview When using X11 **fzf.kak** automatically tries to detect where to show preview
window, depending on aspect ratio of new terminal window. By default if the window, depending on aspect ratio of new terminal window. By default if the
height is bigger than the width, preview occupies upper 60% of space. If height height is bigger than the width, preview occupies upper 60% of space. If height
is smaller than the width, preview is shown at the right side. is smaller than the width, preview is shown at the right side.
You can configure the amount of space for preview window with these options: You can configure the amount of space for preview window with these options:
`fzf_preview_height` and `fzf_preview_width`. `fzf_preview_height` and `fzf_preview_width`.
When **fzf.kak** is used in tmux, it will show preview on the right side. Height When **fzf.kak** is used in tmux, it will show preview on the right side. Height
of preview split can be adjusted with `fzf_tmux_height_file_preview` of preview split can be adjusted with `fzf_tmux_height_file_preview`
Amount of lines in preview window can be changed with `fzf_preview_lines` Amount of lines in preview window can be changed with `fzf_preview_lines`
option. option.
You also can specify which highlighter to use within the preview window with You also can specify which highlighter to use within the preview window with
`fzf_highlighter` option. Supported tools are: `fzf_highlighter` option. Supported tools are:
* [Bat][16] * [Bat][16]
@ -185,50 +186,45 @@ You also can specify which highlighter to use within the preview window with
* [Highlight][18] * [Highlight][18]
* [Rouge][19] * [Rouge][19]
You can disable the preview window in `fzf` window by setting `fzf_preview` option You can disable the preview window in `fzf` window by setting `fzf_preview`
to `false`: option to `false`.
```kak
set-option global fzf_preview false
```
### `fzf` command ### `fzf` command
`fzf` command can be used from prompt mode and for [scripting][20]. It supports `fzf` command can be used from prompt mode and for [scripting][20]. It supports
these arguments: these arguments:
- `-kak-cmd`: A Kakoune command that is applied to `fzf` resulting value, e.g. - `-kak-cmd`: A Kakoune command that is applied to `fzf` resulting value, e.g.
`edit -existing`, `change-directory`, e.t.c. `edit -existing`, `change-directory`, e.t.c.
- `-items-cmd`: A command that is used as a pipe to provide list of values to - `-items-cmd`: A command that is used as a pipe to provide list of values to
`fzf`. For example, if we want to pass list of all files recursively in `fzf`. For example, if we want to pass list of all files recursively in
current directory, we would use `-items-cmd %{find .}` which will be piped to current directory, we would use `-items-cmd %{find .}` which will be piped to
`fzf` tool. `fzf` tool.
- `-fzf-impl`: Override `fzf` implementation variable. Can be used if command - `-fzf-impl`: Override `fzf` implementation variable. Can be used if command
needs to provide a different arguments to `fzf`. See [sk-grep.kak][21] as needs to provide a different arguments to `fzf`. See [sk-grep.kak][21] as
example. example.
- `-fzf-args`: Additional flags for `fzf` program. - `-fzf-args`: Additional flags for `fzf` program.
- `-preview-cmd`: A preview command. Can be used to override default preview handling. - `-preview-cmd`: A preview command. Can be used to override default preview
handling.
- `-preview`: If specified, command will ask for preview. - `-preview`: If specified, command will ask for preview.
- `-filter`: A pipe which will be applied to result provided by `fzf`. For - `-filter`: A pipe which will be applied to result provided by `fzf`. For
example, if we are returning such line `3 hello, world!` from `fzf`, and we example, if we are returning such line `3 hello, world!` from `fzf`, and we
are interested only in the first field which is `3`, we can use `-filter %{cut are interested only in the first field which is `3`, we can use `-filter %{cut
-f 1}`. Basically everything what `fzf` returns is piped to this filter -f 1}`. Basically everything what `fzf` returns is piped to this filter
command. See [fzf-search.kak][22] as example. command. See [fzf-search.kak][22] as example.
- `-post-action`: Extra commands that are preformed after `-kak-cmd` command. - `-post-action`: Extra commands that are preformed after `-kak-cmd` command.
## Contributing ## Contributing
If you want to contribute to **fzf.kak** by adding a module, you can submit one
If you want to contribute to **fzf.kak** by adding a module, you can submit one by providing a pull request, or just open a feature request and we'll see what
by providing a pull request, or just open a feature request and we'll see what
can be done. can be done.
### Writing a module ### Writing a module
You can write a module for **fzf.kak**. To create one, simply define a function You can write a module for **fzf.kak**. To create one, simply define a function
in separate file, located in `rc/modules/`, and named after the in separate file, located in `rc/modules/`, and named after the
function. **fzf.kak** provides a general purpose command, that can be called function. **fzf.kak** provides a general purpose command, that can be called
with some Kakoune command as first parameter, and command that provides list of with some Kakoune command as first parameter, and command that provides list of
items for `fzf` as a second parameter. Third optional parameter is for defining items for `fzf` as a second parameter. Third optional parameter is for defining
extra arguments for `fzf` itself, like additional keybindings. extra arguments for `fzf` itself, like additional keybindings.
Overall module structure is: Overall module structure is:
@ -236,8 +232,8 @@ Overall module structure is:
* Prepare list of items for `fzf`, or define an item command * Prepare list of items for `fzf`, or define an item command
* call `fzf` command and pass needed arguments to it. * call `fzf` command and pass needed arguments to it.
Of course modules can and will be more complex, since a good module checks if Of course modules can and will be more complex, since a good module checks if
command for providing item list is available on user's machine, and supports command for providing item list is available on user's machine, and supports
various settings inside it. Feel free to look how existing modules are made. various settings inside it. Feel free to look how existing modules are made.
[1]: https://img.shields.io/github/release/andreyorst/fzf.kak.svg [1]: https://img.shields.io/github/release/andreyorst/fzf.kak.svg
@ -262,3 +258,4 @@ various settings inside it. Feel free to look how existing modules are made.
[20]: #writing-a-module [20]: #writing-a-module
[21]: rc/modules/sk-grep.kak [21]: rc/modules/sk-grep.kak
[22]: rc/modules/fzf-search.kak [22]: rc/modules/fzf-search.kak
[23]: