mirror of
https://github.com/Llewellynvdm/fzf.git
synced 2024-12-23 03:19:01 +00:00
Experimental implementation of "reload" action
# Reload input list with different sources
seq 10 | fzf --bind 'ctrl-a:reload(seq 100),ctrl-b:reload(seq 1000)'
# Reload as you type
seq 10 | fzf --bind 'change:reload:seq {q}' --phony
# Integration with ripgrep
RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
INITIAL_QUERY=""
FZF_DEFAULT_COMMAND="$RG_PREFIX '$INITIAL_QUERY'" \
fzf --bind "change:reload:$RG_PREFIX {q} || true" \
--ansi --phony --query "$INITIAL_QUERY"
Close #751
Close #965
Close #974
Close #1736
Related #1723
This commit is contained in:
Junegunn Choi
parent
11962dabba
commit
78da928727
@ -64,6 +64,13 @@ func (cl *ChunkList) Push(data []byte) bool {
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return ret
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}
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// Clear clears the data
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func (cl *ChunkList) Clear() {
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cl.mutex.Lock()
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cl.chunks = nil
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cl.mutex.Unlock()
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}
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// Snapshot returns immutable snapshot of the ChunkList
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func (cl *ChunkList) Snapshot() ([]*Chunk, int) {
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cl.mutex.Lock()
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36
src/core.go
36
src/core.go
@ -135,8 +135,9 @@ func Run(opts *Options, revision string) {
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// Reader
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streamingFilter := opts.Filter != nil && !sort && !opts.Tac && !opts.Sync
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var reader *Reader
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if !streamingFilter {
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reader := NewReader(func(data []byte) bool {
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reader = NewReader(func(data []byte) bool {
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return chunkList.Push(data)
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}, eventBox, opts.ReadZero)
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go reader.ReadSource()
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@ -223,6 +224,7 @@ func Run(opts *Options, revision string) {
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// Event coordination
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reading := true
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ticks := 0
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var nextCommand *string
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eventBox.Watch(EvtReadNew)
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for {
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delay := true
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@ -241,21 +243,41 @@ func Run(opts *Options, revision string) {
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switch evt {
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case EvtReadNew, EvtReadFin:
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reading = reading && evt == EvtReadNew
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clearCache := false
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if evt == EvtReadFin && nextCommand != nil {
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chunkList.Clear()
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clearCache = true
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go reader.restart(*nextCommand)
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nextCommand = nil
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} else {
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reading = reading && evt == EvtReadNew
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}
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snapshot, count := chunkList.Snapshot()
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terminal.UpdateCount(count, !reading, value.(bool))
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terminal.UpdateCount(count, !reading, value.(*string))
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if opts.Sync {
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terminal.UpdateList(PassMerger(&snapshot, opts.Tac))
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}
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matcher.Reset(snapshot, input(), false, !reading, sort)
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matcher.Reset(snapshot, input(), false, !reading, sort, clearCache)
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case EvtSearchNew:
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var command *string
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switch val := value.(type) {
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case bool:
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sort = val
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case searchRequest:
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sort = val.sort
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command = val.command
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}
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if command != nil {
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if reading {
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reader.terminate()
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nextCommand = command
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} else {
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reading = true
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chunkList.Clear()
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go reader.restart(*command)
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}
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}
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snapshot, _ := chunkList.Snapshot()
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matcher.Reset(snapshot, input(), true, !reading, sort)
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matcher.Reset(snapshot, input(), true, !reading, sort, command != nil)
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delay = false
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case EvtSearchProgress:
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@ -12,10 +12,11 @@ import (
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// MatchRequest represents a search request
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type MatchRequest struct {
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chunks []*Chunk
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pattern *Pattern
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final bool
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sort bool
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chunks []*Chunk
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pattern *Pattern
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final bool
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sort bool
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clearCache bool
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}
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// Matcher is responsible for performing search
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@ -69,7 +70,7 @@ func (m *Matcher) Loop() {
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events.Clear()
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})
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if request.sort != m.sort {
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if request.sort != m.sort || request.clearCache {
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m.sort = request.sort
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m.mergerCache = make(map[string]*Merger)
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clearChunkCache()
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@ -221,7 +222,7 @@ func (m *Matcher) scan(request MatchRequest) (*Merger, bool) {
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}
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// Reset is called to interrupt/signal the ongoing search
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func (m *Matcher) Reset(chunks []*Chunk, patternRunes []rune, cancel bool, final bool, sort bool) {
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func (m *Matcher) Reset(chunks []*Chunk, patternRunes []rune, cancel bool, final bool, sort bool, clearCache bool) {
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pattern := m.patternBuilder(patternRunes)
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var event util.EventType
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@ -230,5 +231,5 @@ func (m *Matcher) Reset(chunks []*Chunk, patternRunes []rune, cancel bool, final
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} else {
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event = reqRetry
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}
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m.reqBox.Set(event, MatchRequest{chunks, pattern, final, sort && pattern.sortable})
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m.reqBox.Set(event, MatchRequest{chunks, pattern, final, sort && pattern.sortable, clearCache})
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}
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@ -631,13 +631,15 @@ 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)?):.+|:(execute(?:-multi|-silent)?)(\([^)]*\)|\[[^\]]*\]|~[^~]*~|![^!]*!|@[^@]*@|\#[^\#]*\#|\$[^\$]*\$|%[^%]*%|\^[^\^]*\^|&[^&]*&|\*[^\*]*\*|;[^;]*;|/[^/]*/|\|[^\|]*\|)`)
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`(?si):(execute(?:-multi|-silent)?|reload):.+|:(execute(?:-multi|-silent)?|reload)(\([^)]*\)|\[[^\]]*\]|~[^~]*~|![^!]*!|@[^@]*@|\#[^\#]*\#|\$[^\$]*\$|%[^%]*%|\^[^\^]*\^|&[^&]*&|\*[^\*]*\*|;[^;]*;|/[^/]*/|\|[^\|]*\|)`)
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}
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func parseKeymap(keymap map[int][]action, str string) {
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masked := executeRegexp.ReplaceAllStringFunc(str, func(src string) string {
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prefix := ":execute"
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if src[len(prefix)] == '-' {
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if strings.HasPrefix(src, ":reload") {
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prefix = ":reload"
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} else if src[len(prefix)] == '-' {
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c := src[len(prefix)+1]
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if c == 's' || c == 'S' {
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prefix += "-silent"
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@ -790,6 +792,8 @@ func parseKeymap(keymap map[int][]action, str string) {
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} else {
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var offset int
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switch t {
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case actReload:
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offset = len("reload")
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case actExecuteSilent:
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offset = len("execute-silent")
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case actExecuteMulti:
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@ -825,6 +829,8 @@ func isExecuteAction(str string) actionType {
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prefix = matches[0][2]
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}
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switch prefix {
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case "reload":
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return actReload
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case "execute":
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return actExecute
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case "execute-silent":
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@ -4,6 +4,8 @@ import (
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"bufio"
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"io"
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"os"
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"os/exec"
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"sync"
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"sync/atomic"
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"time"
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@ -16,11 +18,16 @@ type Reader struct {
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eventBox *util.EventBox
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delimNil bool
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event int32
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finChan chan bool
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mutex sync.Mutex
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exec *exec.Cmd
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command *string
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killed bool
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}
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// NewReader returns new Reader object
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func NewReader(pusher func([]byte) bool, eventBox *util.EventBox, delimNil bool) *Reader {
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return &Reader{pusher, eventBox, delimNil, int32(EvtReady)}
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return &Reader{pusher, eventBox, delimNil, int32(EvtReady), make(chan bool, 1), sync.Mutex{}, nil, nil, false}
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}
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func (r *Reader) startEventPoller() {
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@ -29,9 +36,10 @@ func (r *Reader) startEventPoller() {
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pollInterval := readerPollIntervalMin
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for {
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if atomic.CompareAndSwapInt32(ptr, int32(EvtReadNew), int32(EvtReady)) {
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r.eventBox.Set(EvtReadNew, true)
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r.eventBox.Set(EvtReadNew, (*string)(nil))
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pollInterval = readerPollIntervalMin
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} else if atomic.LoadInt32(ptr) == int32(EvtReadFin) {
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r.finChan <- true
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return
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} else {
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pollInterval += readerPollIntervalStep
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@ -46,7 +54,35 @@ func (r *Reader) startEventPoller() {
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func (r *Reader) fin(success bool) {
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atomic.StoreInt32(&r.event, int32(EvtReadFin))
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r.eventBox.Set(EvtReadFin, success)
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<-r.finChan
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r.mutex.Lock()
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ret := r.command
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if success || r.killed {
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ret = nil
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}
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r.mutex.Unlock()
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r.eventBox.Set(EvtReadFin, ret)
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}
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func (r *Reader) terminate() {
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r.mutex.Lock()
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defer func() { r.mutex.Unlock() }()
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r.killed = true
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if r.exec != nil && r.exec.Process != nil {
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util.KillCommand(r.exec)
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} else {
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os.Stdin.Close()
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}
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}
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func (r *Reader) restart(command string) {
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r.event = int32(EvtReady)
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r.startEventPoller()
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success := r.readFromCommand(nil, command)
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r.fin(success)
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}
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// ReadSource reads data from the default command or from standard input
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@ -54,12 +90,13 @@ func (r *Reader) ReadSource() {
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r.startEventPoller()
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var success bool
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if util.IsTty() {
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// The default command for *nix requires bash
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shell := "bash"
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cmd := os.Getenv("FZF_DEFAULT_COMMAND")
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if len(cmd) == 0 {
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// The default command for *nix requires bash
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success = r.readFromCommand("bash", defaultCommand)
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success = r.readFromCommand(&shell, defaultCommand)
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} else {
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success = r.readFromCommand("sh", cmd)
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success = r.readFromCommand(nil, cmd)
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}
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} else {
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success = r.readFromStdin()
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@ -102,16 +139,25 @@ func (r *Reader) readFromStdin() bool {
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return true
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}
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func (r *Reader) readFromCommand(shell string, cmd string) bool {
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listCommand := util.ExecCommandWith(shell, cmd, false)
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out, err := listCommand.StdoutPipe()
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func (r *Reader) readFromCommand(shell *string, command string) bool {
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r.mutex.Lock()
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r.killed = false
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r.command = &command
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if shell != nil {
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r.exec = util.ExecCommandWith(*shell, command, true)
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} else {
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r.exec = util.ExecCommand(command, true)
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}
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out, err := r.exec.StdoutPipe()
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if err != nil {
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r.mutex.Unlock()
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return false
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}
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err = listCommand.Start()
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err = r.exec.Start()
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r.mutex.Unlock()
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if err != nil {
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return false
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}
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r.feed(out)
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return listCommand.Wait() == nil
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return r.exec.Wait() == nil
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}
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@ -12,6 +12,7 @@ func TestReadFromCommand(t *testing.T) {
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eb := util.NewEventBox()
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reader := Reader{
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pusher: func(s []byte) bool { strs = append(strs, string(s)); return true },
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finChan: make(chan bool, 1),
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eventBox: eb,
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event: int32(EvtReady)}
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@ -23,7 +24,7 @@ func TestReadFromCommand(t *testing.T) {
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}
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// Normal command
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reader.fin(reader.readFromCommand("sh", `echo abc && echo def`))
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reader.fin(reader.readFromCommand(nil, `echo abc && echo def`))
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if len(strs) != 2 || strs[0] != "abc" || strs[1] != "def" {
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t.Errorf("%s", strs)
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}
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@ -48,7 +49,7 @@ func TestReadFromCommand(t *testing.T) {
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reader.startEventPoller()
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// Failing command
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reader.fin(reader.readFromCommand("sh", `no-such-command`))
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reader.fin(reader.readFromCommand(nil, `no-such-command`))
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strs = []string{}
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if len(strs) > 0 {
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t.Errorf("%s", strs)
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@ -102,7 +102,7 @@ type Terminal struct {
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count int
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progress int
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reading bool
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success bool
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failed *string
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jumping jumpMode
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jumpLabels string
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printer func(string)
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@ -228,6 +228,7 @@ const (
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actExecuteMulti // Deprecated
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actSigStop
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actTop
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actReload
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)
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type placeholderFlags struct {
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@ -238,6 +239,11 @@ type placeholderFlags struct {
|
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file bool
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}
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type searchRequest struct {
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sort bool
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command *string
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}
|
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|
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func toActions(types ...actionType) []action {
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actions := make([]action, len(types))
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for idx, t := range types {
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@ -408,7 +414,7 @@ func NewTerminal(opts *Options, eventBox *util.EventBox) *Terminal {
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ansi: opts.Ansi,
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tabstop: opts.Tabstop,
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reading: true,
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success: true,
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failed: nil,
|
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jumping: jumpDisabled,
|
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jumpLabels: opts.JumpLabels,
|
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printer: opts.Printer,
|
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@ -440,11 +446,11 @@ func (t *Terminal) Input() []rune {
|
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}
|
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|
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// UpdateCount updates the count information
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func (t *Terminal) UpdateCount(cnt int, final bool, success bool) {
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func (t *Terminal) UpdateCount(cnt int, final bool, failedCommand *string) {
|
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t.mutex.Lock()
|
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t.count = cnt
|
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t.reading = !final
|
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t.success = success
|
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t.failed = failedCommand
|
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t.mutex.Unlock()
|
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t.reqBox.Set(reqInfo, nil)
|
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if final {
|
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@ -742,7 +748,9 @@ func (t *Terminal) printInfo() {
|
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pos = 2
|
||||
}
|
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|
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output := fmt.Sprintf("%d/%d", t.merger.Length(), t.count)
|
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found := t.merger.Length()
|
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total := util.Max(found, t.count)
|
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output := fmt.Sprintf("%d/%d", found, total)
|
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if t.toggleSort {
|
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if t.sort {
|
||||
output += " +S"
|
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@ -760,16 +768,15 @@ func (t *Terminal) printInfo() {
|
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if t.progress > 0 && t.progress < 100 {
|
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output += fmt.Sprintf(" (%d%%)", t.progress)
|
||||
}
|
||||
if !t.success && t.count == 0 {
|
||||
if len(os.Getenv("FZF_DEFAULT_COMMAND")) > 0 {
|
||||
output = "[$FZF_DEFAULT_COMMAND failed]"
|
||||
} else {
|
||||
output = "[default command failed - $FZF_DEFAULT_COMMAND required]"
|
||||
}
|
||||
if t.failed != nil && t.count == 0 {
|
||||
output = fmt.Sprintf("[Command failed: %s]", *t.failed)
|
||||
}
|
||||
if pos+len(output) <= t.window.Width() {
|
||||
t.window.CPrint(tui.ColInfo, 0, output)
|
||||
maxWidth := t.window.Width() - pos
|
||||
if len(output) > maxWidth {
|
||||
outputRunes, _ := t.trimRight([]rune(output), maxWidth-2)
|
||||
output = string(outputRunes) + ".."
|
||||
}
|
||||
t.window.CPrint(tui.ColInfo, 0, output)
|
||||
}
|
||||
|
||||
func (t *Terminal) printHeader() {
|
||||
@ -1383,7 +1390,7 @@ func (t *Terminal) hasPreviewWindow() bool {
|
||||
|
||||
func (t *Terminal) currentItem() *Item {
|
||||
cnt := t.merger.Length()
|
||||
if cnt > 0 && cnt > t.cy {
|
||||
if t.cy >= 0 && cnt > 0 && cnt > t.cy {
|
||||
return t.merger.Get(t.cy).item
|
||||
}
|
||||
return nil
|
||||
@ -1508,11 +1515,10 @@ func (t *Terminal) Loop() {
|
||||
t.mutex.Lock()
|
||||
reading := t.reading
|
||||
t.mutex.Unlock()
|
||||
if !reading {
|
||||
break
|
||||
}
|
||||
time.Sleep(spinnerDuration)
|
||||
t.reqBox.Set(reqInfo, nil)
|
||||
if reading {
|
||||
t.reqBox.Set(reqInfo, nil)
|
||||
}
|
||||
}
|
||||
}()
|
||||
}
|
||||
@ -1533,7 +1539,7 @@ func (t *Terminal) Loop() {
|
||||
// We don't display preview window if no match
|
||||
if request[0] != nil {
|
||||
command := replacePlaceholder(t.preview.command,
|
||||
t.ansi, t.delimiter, t.printsep, false, string(t.input), request)
|
||||
t.ansi, t.delimiter, t.printsep, false, string(t.Input()), request)
|
||||
cmd := util.ExecCommand(command, true)
|
||||
if t.pwindow != nil {
|
||||
env := os.Environ()
|
||||
@ -1673,6 +1679,10 @@ func (t *Terminal) Loop() {
|
||||
|
||||
looping := true
|
||||
for looping {
|
||||
var newCommand *string
|
||||
changed := false
|
||||
queryChanged := false
|
||||
|
||||
event := t.tui.GetChar()
|
||||
|
||||
t.mutex.Lock()
|
||||
@ -1754,9 +1764,7 @@ func (t *Terminal) Loop() {
|
||||
}
|
||||
case actToggleSort:
|
||||
t.sort = !t.sort
|
||||
t.eventBox.Set(EvtSearchNew, t.sort)
|
||||
t.mutex.Unlock()
|
||||
return false
|
||||
changed = true
|
||||
case actPreviewUp:
|
||||
if t.hasPreviewWindow() {
|
||||
scrollPreview(-1)
|
||||
@ -2025,10 +2033,24 @@ func (t *Terminal) Loop() {
|
||||
}
|
||||
}
|
||||
}
|
||||
case actReload:
|
||||
t.failed = nil
|
||||
|
||||
valid, list := t.buildPlusList(a.a, false)
|
||||
// If the command template has {q}, we run the command even when the
|
||||
// query string is empty.
|
||||
if !valid {
|
||||
_, query := hasPreviewFlags(a.a)
|
||||
valid = query
|
||||
}
|
||||
if valid {
|
||||
command := replacePlaceholder(a.a,
|
||||
t.ansi, t.delimiter, t.printsep, false, string(t.input), list)
|
||||
newCommand = &command
|
||||
}
|
||||
}
|
||||
return true
|
||||
}
|
||||
changed := false
|
||||
mapkey := event.Type
|
||||
if t.jumping == jumpDisabled {
|
||||
actions := t.keymap[mapkey]
|
||||
@ -2042,8 +2064,9 @@ func (t *Terminal) Loop() {
|
||||
continue
|
||||
}
|
||||
t.truncateQuery()
|
||||
changed = string(previousInput) != string(t.input)
|
||||
if onChanges, prs := t.keymap[tui.Change]; changed && prs {
|
||||
queryChanged = string(previousInput) != string(t.input)
|
||||
changed = changed || queryChanged
|
||||
if onChanges, prs := t.keymap[tui.Change]; queryChanged && prs {
|
||||
if !doActions(onChanges, tui.Change) {
|
||||
continue
|
||||
}
|
||||
@ -2061,7 +2084,7 @@ func (t *Terminal) Loop() {
|
||||
req(reqList)
|
||||
}
|
||||
|
||||
if changed {
|
||||
if queryChanged {
|
||||
if t.isPreviewEnabled() {
|
||||
_, q := hasPreviewFlags(t.preview.command)
|
||||
if q {
|
||||
@ -2070,14 +2093,14 @@ func (t *Terminal) Loop() {
|
||||
}
|
||||
}
|
||||
|
||||
if changed || t.cx != previousCx {
|
||||
if queryChanged || t.cx != previousCx {
|
||||
req(reqPrompt)
|
||||
}
|
||||
|
||||
t.mutex.Unlock() // Must be unlocked before touching reqBox
|
||||
|
||||
if changed {
|
||||
t.eventBox.Set(EvtSearchNew, t.sort)
|
||||
if changed || newCommand != nil {
|
||||
t.eventBox.Set(EvtSearchNew, searchRequest{sort: t.sort, command: newCommand})
|
||||
}
|
||||
for _, event := range events {
|
||||
t.reqBox.Set(event, nil)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user