version2 (#1)

Co-authored-by: u80864958 <niklas.breitenstein@bit.admin.ch>
Reviewed-on: #1

pkg/cat/cater.go

@@ -0,0 +1,61 @@
+package cat
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+type Cater map[string]string
+
+func Path(paths ...string) (c Cater, err error) {
+	c = make(Cater)
+	var p os.FileInfo
+
+	for _, path := range paths {
+		p, err = os.Stat(path)
+		if err != nil {
+			return
+		}
+
+		if p.IsDir() {
+			err = c.dir(path)
+		} else {
+			err = c.file(path)
+		}
+		if err != nil {
+			return
+		}
+	}
+
+	return
+}
+
+func (c Cater) Ignored(ignore ignorer) Cater {
+	cat := make(Cater)
+
+	for name, content := range c {
+		if ignore.Ignore(name) {
+			continue
+		}
+		cat[name] = content
+	}
+
+	return cat
+}
+
+func (c Cater) ToString(delemiter string) string {
+	var sb strings.Builder
+
+	for name, content := range c {
+		sb.WriteString(fmt.Sprintf(delemiter, name))
+		sb.WriteString(content)
+	}
+
+	return sb.String()
+}
+
+type ignorer interface {
+	// Ignore() returns true when the given path shall be Ignored.
+	Ignore(path string) bool
+}

pkg/cat/internal.go

@@ -0,0 +1,58 @@
+package cat
+
+import (
+	"bufio"
+	"io"
+	"os"
+	"path"
+	"strings"
+)
+
+func (c Cater) dir(dir string) error {
+	files, err := os.ReadDir(dir)
+	if err != nil {
+		return err
+	}
+
+	for _, file := range files {
+		i, err := file.Info()
+		if err != nil {
+			continue
+		}
+		path := path.Join(dir, i.Name())
+
+		if !file.IsDir() {
+			c.file(path)
+		} else {
+			c.dir(path)
+		}
+	}
+	return nil
+}
+
+func (c Cater) file(filePath string) error {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	// read file into strings.Builder
+	var sb strings.Builder
+	reader := bufio.NewReader(file)
+
+	for {
+		line, err := reader.ReadString('\n')
+		if err != nil && err != io.EOF {
+			return err
+		}
+		sb.WriteString(line)
+		if err == io.EOF {
+			break
+		}
+	}
+
+	c[filePath] = sb.String()
+
+	return nil
+}

pkg/clip/coppy.go

@@ -0,0 +1,44 @@
+package clip
+
+import (
+	"os"
+	"os/exec"
+
+	"golang.design/x/clipboard"
+)
+
+// Copy copies a given string to the clipboard, handling both Wayland and X11 environments.
+// If WAYLAND_DISPLAY is set, it uses wl-copy to copy the string in a Wayland environment.
+// Otherwise, it initializes the clipboard and writes the string using the clipboard package for X11.
+// Parameters:
+//
+//	str: The string to be copied to the clipboard.
+//
+// Returns:
+//
+//	error: If an error occurs during copying (e.g., command execution or clipboard initialization fails).
+func Copy(str string) error {
+
+	if os.Getenv("WAYLAND_DISPLAY") != "" {
+		cmd := exec.Command("wl-copy")
+
+		p, err := cmd.StdinPipe()
+		if err != nil {
+			return err
+		}
+
+		if err := cmd.Start(); err == nil {
+			p.Write([]byte(str))
+			p.Close()
+			return cmd.Wait()
+		}
+	}
+
+	if err := clipboard.Init(); err != nil {
+		return err
+	}
+
+	clipboard.Write(clipboard.FmtText, []byte(str))
+
+	return nil
+}

pkg/ignore/filesystem.go

@@ -0,0 +1,9 @@
+package ignore
+
+import "strings"
+
+type Filesystem struct{}
+
+func (f Filesystem) Ignore(name string) bool {
+	return strings.Contains(name, "/.") || strings.HasPrefix(name, ".")
+}

pkg/ignore/gitignore.go

@@ -0,0 +1,65 @@
+package ignore
+
+import (
+	"errors"
+	"os"
+	"path"
+
+	ignore "github.com/denormal/go-gitignore"
+)
+
+const (
+	gitIgnore = ".gitignore"
+)
+
+var (
+	ErrNotFound = errors.New("Not Found")
+)
+
+// getIgnore attempts to find and parse a .gitignore file recursively.
+// It searches for the .gitignore file starting from the given path and traversing up the directory tree.
+// It returns a pointer to the parsed ignore.GitIgnore object if found, otherwise nil.
+func FindGitignore(name string) (ignore.GitIgnore, error) {
+
+	for {
+		stat, err := os.Stat(name)
+		if err != nil {
+			return nil, err
+		}
+
+		// If the current path is a directory, iterate through its contents.
+		if stat.IsDir() {
+			dir, err := os.ReadDir(name)
+			if err != nil {
+				name, _ = path.Split(name)
+				if name == "" {
+					return nil, ErrNotFound
+				}
+			}
+			for _, e := range dir {
+
+				if !e.IsDir() && e.Name() == gitIgnore {
+					if ignore, err := ignore.NewFromFile(path.Join(name, e.Name())); err == nil {
+						return ignore, nil
+					}
+					return nil, err
+				}
+			}
+
+		}
+
+		// If the current path is the .gitignore file itself.
+		if stat.Name() == gitIgnore {
+			if ignore, err := ignore.NewFromFile(name); err == nil {
+				return ignore, nil
+			}
+			return nil, err
+		}
+
+		name, _ = path.Split(name)
+		if name == "" {
+			return nil, ErrNotFound
+		}
+
+	}
+}