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Junegunn Choi
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51
ADVANCED.md
51
ADVANCED.md
@ -16,6 +16,7 @@ Advanced fzf examples
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* [Ripgrep integration](#ripgrep-integration)
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* [Using fzf as the secondary filter](#using-fzf-as-the-secondary-filter)
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* [Using fzf as interative Ripgrep launcher](#using-fzf-as-interative-ripgrep-launcher)
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* [Switching to fzf-only search mode](#switching-to-fzf-only-search-mode)
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* [Log tailing](#log-tailing)
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* [Key bindings for git objects](#key-bindings-for-git-objects)
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* [Files listed in `git status`](#files-listed-in-git-status)
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@ -354,6 +355,56 @@ IFS=: read -ra selected < <(
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reduce the number of intermediate Ripgrep processes while we're typing in
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a query.
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### Switching to fzf-only search mode
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*(Requires fzf 0.27.1 or above)*
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In the previous example, we lost fuzzy matching capability as we completely
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delegated search functionality to Ripgrep. But we can dynamically switch to
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fzf-only search mode by *"unbinding"* `reload` action from `change` event.
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```sh
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#!/usr/bin/env bash
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# Two-phase filtering with Ripgrep and fzf
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#
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# 1. Search for text in files using Ripgrep
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# 2. Interactively restart Ripgrep with reload action
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# * Press alt-enter to switch to fzf-only filtering
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# 3. Open the file in Vim
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RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
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INITIAL_QUERY="${*:-}"
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IFS=: read -ra selected < <(
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FZF_DEFAULT_COMMAND="$RG_PREFIX $(printf %q "$INITIAL_QUERY")" \
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fzf --ansi \
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--color "hl:-1:underline,hl+:-1:underline:reverse" \
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--disabled --query "$INITIAL_QUERY" \
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--bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
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--bind "alt-enter:unbind(change,alt-enter)+change-prompt(2. fzf> )+enable-search+clear-query" \
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--prompt '1. ripgrep> ' \
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--delimiter : \
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--preview 'bat --color=always {1} --highlight-line {2}' \
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--preview-window 'up,60%,border-bottom,+{2}+3/3,~3'
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)
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[ -n "${selected[0]}" ] && vim "${selected[0]}" "+${selected[1]}"
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```
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* Phase 1. Filtering with Ripgrep
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* Phase 2. Filtering with fzf
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- We added `--prompt` option to show that fzf is initially running in "Ripgrep
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launcher mode".
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- We added `alt-enter` binding that
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1. unbinds `change` event, so Ripgrep is no longer restarted on key press
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2. changes the prompt to `2. fzf>`
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3. enables search functionality of fzf
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4. clears the current query string that was used to start Ripgrep process
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5. and unbinds `alt-enter` itself as this is a one-off event
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- We reverted `--color` option for customizing how the matching chunks are
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displayed in the second phase
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Log tailing
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-----------
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16
CHANGELOG.md
16
CHANGELOG.md
@ -1,6 +1,22 @@
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CHANGELOG
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=========
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0.27.1
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------
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- Added `unbind` action. In the following Ripgrep launcher example, you can
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use `unbind(reload)` to switch to fzf-only filtering mode.
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- See https://github.com/junegunn/fzf/blob/master/ADVANCED.md#switching-to-fzf-only-search-mode
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- Vim plugin
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- Vim plugin will stop immediately even when the source command hasn't finished
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```vim
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" fzf will read the stream file while allowing other processes to append to it
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call fzf#run({'source': 'cat /dev/null > /tmp/stream; tail -f /tmp/stream'})
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```
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- It is now possible to open popup window relative to the currrent window
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```vim
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let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6, 'relative': v:true, 'yoffset': 1.0 } }
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```
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0.27.0
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------
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- More border options for `--preview-window`
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@ -21,7 +21,7 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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..
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.TH fzf 1 "Apr 2021" "fzf 0.27.0" "fzf - a command-line fuzzy finder"
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.TH fzf 1 "May 2021" "fzf 0.27.1" "fzf - a command-line fuzzy finder"
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.SH NAME
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fzf - a command-line fuzzy finder
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@ -852,6 +852,7 @@ A key or an event can be bound to one or more of the following actions.
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\fBtoggle-search\fR (toggle search functionality)
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\fBtoggle-sort\fR
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\fBtoggle+up\fR \fIbtab (shift-tab)\fR
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\fBunbind(...)\fR (unbind bindings)
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\fBunix-line-discard\fR \fIctrl-u\fR
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\fBunix-word-rubout\fR \fIctrl-w\fR
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\fBup\fR \fIctrl-k ctrl-p up\fR
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@ -748,7 +748,7 @@ func init() {
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// Backreferences are not supported.
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// "~!@#$%^&*;/|".each_char.map { |c| Regexp.escape(c) }.map { |c| "#{c}[^#{c}]*#{c}" }.join('|')
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executeRegexp = regexp.MustCompile(
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`(?si)[:+](execute(?:-multi|-silent)?|reload|preview|change-prompt):.+|[:+](execute(?:-multi|-silent)?|reload|preview|change-prompt)(\([^)]*\)|\[[^\]]*\]|~[^~]*~|![^!]*!|@[^@]*@|\#[^\#]*\#|\$[^\$]*\$|%[^%]*%|\^[^\^]*\^|&[^&]*&|\*[^\*]*\*|;[^;]*;|/[^/]*/|\|[^\|]*\|)`)
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`(?si)[:+](execute(?:-multi|-silent)?|reload|preview|change-prompt|unbind):.+|[:+](execute(?:-multi|-silent)?|reload|preview|change-prompt|unbind)(\([^)]*\)|\[[^\]]*\]|~[^~]*~|![^!]*!|@[^@]*@|\#[^\#]*\#|\$[^\$]*\$|%[^%]*%|\^[^\^]*\^|&[^&]*&|\*[^\*]*\*|;[^;]*;|/[^/]*/|\|[^\|]*\|)`)
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}
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func parseKeymap(keymap map[tui.Event][]action, str string) {
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@ -762,6 +762,8 @@ func parseKeymap(keymap map[tui.Event][]action, str string) {
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prefix = symbol + "reload"
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} else if strings.HasPrefix(src[1:], "preview") {
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prefix = symbol + "preview"
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} else if strings.HasPrefix(src[1:], "unbind") {
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prefix = symbol + "unbind"
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} else if strings.HasPrefix(src[1:], "change-prompt") {
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prefix = symbol + "change-prompt"
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} else if src[len(prefix)] == '-' {
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@ -957,6 +959,8 @@ func parseKeymap(keymap map[tui.Event][]action, str string) {
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offset = len("preview")
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case actChangePrompt:
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offset = len("change-prompt")
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case actUnbind:
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offset = len("unbind")
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case actExecuteSilent:
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offset = len("execute-silent")
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case actExecuteMulti:
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@ -964,15 +968,21 @@ func parseKeymap(keymap map[tui.Event][]action, str string) {
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default:
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offset = len("execute")
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}
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var actionArg string
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if spec[offset] == ':' {
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if specIndex == len(specs)-1 {
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actions = append(actions, action{t: t, a: spec[offset+1:]})
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actionArg = spec[offset+1:]
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actions = append(actions, action{t: t, a: actionArg})
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} else {
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prevSpec = spec + "+"
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continue
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}
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} else {
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actions = append(actions, action{t: t, a: spec[offset+1 : len(spec)-1]})
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actionArg = spec[offset+1 : len(spec)-1]
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actions = append(actions, action{t: t, a: actionArg})
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}
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if t == actUnbind {
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parseKeyChords(actionArg, "unbind target required")
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}
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}
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}
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@ -994,6 +1004,8 @@ func isExecuteAction(str string) actionType {
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switch prefix {
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case "reload":
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return actReload
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case "unbind":
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return actUnbind
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case "preview":
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return actPreview
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case "change-prompt":
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@ -284,6 +284,7 @@ const (
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actEnableSearch
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actSelect
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actDeselect
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actUnbind
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)
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type placeholderFlags struct {
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@ -2657,6 +2658,11 @@ func (t *Terminal) Loop() {
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command := t.replacePlaceholder(a.a, false, string(t.input), list)
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newCommand = &command
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}
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case actUnbind:
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keys := parseKeyChords(a.a, "PANIC")
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for key := range keys {
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delete(t.keymap, key)
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}
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}
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return true
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}
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@ -2042,6 +2042,17 @@ class TestGoFZF < TestBase
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tmux.send_keys 'C-K'
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tmux.until { |lines| assert_equal(%w[1 2 3 4 5], top5[lines]) }
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end
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def test_unbind
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tmux.send_keys "seq 100 | #{FZF} --bind 'c:clear-query,d:unbind(c,d)'", :Enter
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tmux.until { |lines| assert_equal 100, lines.item_count }
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tmux.send_keys 'ab'
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tmux.until { |lines| assert_equal '> ab', lines[-1] }
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tmux.send_keys 'c'
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tmux.until { |lines| assert_equal '>', lines[-1] }
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tmux.send_keys 'dabcd'
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tmux.until { |lines| assert_equal '> abcd', lines[-1] }
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end
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end
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module TestShell
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