feat: yank line

README.md

@@ -176,6 +176,7 @@ Configuration values are applied in this order (later sources override earlier o
 | `p`                | Toggle preview pane             |
 | `/`                | Enter filter mode               |
 | `Esc`              | Exit filter mode / clear filter |
+| `y`                | Yank (copy) selected line       |
 
 ---
 

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
 	github.com/spf13/pflag v1.0.10
+	github.com/spf13/viper v1.21.0
 )
 
 require (
@@ -32,7 +33,6 @@ require (
 	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
 	github.com/spf13/afero v1.15.0 // indirect
 	github.com/spf13/cast v1.10.0 // indirect
-	github.com/spf13/viper v1.21.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect

go.sum

@@ -12,12 +12,22 @@ github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0G
 github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
 github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
 github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
+github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
+github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
 github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
 github.com/go-viper/mapstructure/v2 v2.4.0 h1:EBsztssimR/CONLSZZ04E8qAkxNYq4Qp9LvH92wZUgs=
 github.com/go-viper/mapstructure/v2 v2.4.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
@@ -34,9 +44,13 @@ github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc
 github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
 github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
 github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/sagikazarmark/locafero v0.11.0 h1:1iurJgmM9G3PA/I+wWYIOw/5SyBtxapeHDcg+AAIFXc=
 github.com/sagikazarmark/locafero v0.11.0/go.mod h1:nVIGvgyzw595SUSUE6tvCp3YYTeHs15MvlmU87WwIik=
 github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 h1:+jumHNA0Wrelhe64i8F6HNlS8pkoyMv5sreGx2Ry5Rw=
@@ -49,6 +63,8 @@ github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
 github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.21.0 h1:x5S+0EU27Lbphp4UKm1C+1oQO+rKx36vfCoaVebLFSU=
 github.com/spf13/viper v1.21.0/go.mod h1:P0lhsswPGWD/1lZJ9ny3fYnVqxiegrlNrEmgLjbTCAY=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
 github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
@@ -61,8 +77,10 @@ golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
 golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
-golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
 golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/ui/ui.go

@@ -3,6 +3,8 @@ package ui
 import (
 	"context"
 	"fmt"
+	"os/exec"
+	"runtime"
 	"strings"
 	"time"
 
@@ -51,15 +53,41 @@ type model struct {
 	cancel      context.CancelFunc
 	loading     bool
 	errorMsg    string
+	statusMsg   string // temporary status message (e.g., "Yanked!")
 }
 
 // messages
 type linesMsg []runner.Line
 type errMsg struct{ err error }
 type tickMsg time.Time
+type clearStatusMsg struct{}
 
 func (e errMsg) Error() string { return e.err.Error() }
 
+// copyToClipboard copies text to the system clipboard using OS-specific commands
+func copyToClipboard(text string) error {
+	var cmd *exec.Cmd
+
+	switch runtime.GOOS {
+	case "darwin":
+		cmd = exec.Command("pbcopy")
+	case "linux":
+		// Try xclip first, fall back to xsel
+		if _, err := exec.LookPath("xclip"); err == nil {
+			cmd = exec.Command("xclip", "-selection", "clipboard")
+		} else {
+			cmd = exec.Command("xsel", "--clipboard", "--input")
+		}
+	case "windows":
+		cmd = exec.Command("clip")
+	default:
+		return fmt.Errorf("unsupported platform: %s", runtime.GOOS)
+	}
+
+	cmd.Stdin = strings.NewReader(text)
+	return cmd.Run()
+}
+
 func initialModel(cfg Config) model {
 	ctx, cancel := context.WithCancel(context.Background())
 	return model{
@@ -123,6 +151,10 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.errorMsg = msg.Error()
 		m.loading = false
 		return m, nil
+
+	case clearStatusMsg:
+		m.statusMsg = ""
+		return m, nil
 	}
 
 	return m, nil
@@ -196,6 +228,22 @@ func (m *model) handleKeyPress(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 	case "/":
 		m.filterMode = true
 		m.filter = ""
+	case "y":
+		// Yank (copy) selected line to clipboard
+		if len(m.filtered) > 0 && m.cursor >= 0 && m.cursor < len(m.filtered) {
+			idx := m.filtered[m.cursor]
+			if idx < len(m.lines) {
+				content := m.lines[idx].Content
+				if err := copyToClipboard(content); err != nil {
+					m.statusMsg = "Failed to copy"
+				} else {
+					m.statusMsg = "Copied to clipboard"
+				}
+				return m, tea.Tick(2*time.Second, func(t time.Time) tea.Msg {
+					return clearStatusMsg{}
+				})
+			}
+		}
 	}
 
 	return m, nil
@@ -425,7 +473,7 @@ func (m model) View() string {
 	}
 
 	// Build header content
-	header := headerTextStyle.Render("r reload • q quit • j/k move • g/G first/last • ^d/u/f/b scroll • p preview • / filter")
+	header := headerTextStyle.Render("r reload • q quit • j/k move • g/G first/last • ^d/u/f/b scroll • p preview • / filter • y yank")
 	commandLine := fmt.Sprintf("Command: %s", m.config.Command)
 
 	// Build prompt line (will go at bottom)
@@ -440,6 +488,10 @@ func (m model) View() string {
 	if m.loading {
 		promptLine += " [loading...]"
 	}
+	if m.statusMsg != "" {
+		statusStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("10")) // green
+		promptLine += " " + statusStyle.Render(m.statusMsg)
+	}
 
 	// Calculate layout
 	listHeight := m.visibleLines()

main.go

@@ -54,6 +54,7 @@ func main() {
 		_, _ = fmt.Fprintf(w, "  p              Toggle preview\n")
 		_, _ = fmt.Fprintf(w, "  /              Enter filter mode\n")
 		_, _ = fmt.Fprintf(w, "  Esc            Exit filter mode / clear filter\n")
+		_, _ = fmt.Fprintf(w, "  y              Yank (copy) selected line\n")
 	}
 
 	flag.Usage = func() {