Replace deprecated modules

Replace go-homedir with builtin os.UserHomeDir and pkg/errors with
builtin errors

pkg/cfg/config.go

@@ -5,10 +5,10 @@ package cfg
 import (
 	"bytes"
 	"fmt"
+	"os"
 	"path/filepath"
 	"strings"
 
-	"github.com/mitchellh/go-homedir"
 	"github.com/spf13/viper"
 )
 
@@ -100,7 +100,11 @@ func readGitconfig(cfg Gitconfig) {
 // Expand applies the variables expansion to a viper config of given key.
 // If expansion fails or is not needed, the config is not modified.
 func Expand(key string) {
-	if expanded, err := homedir.Expand(viper.GetString(key)); err == nil {
-		viper.Set(key, expanded)
+	path := viper.GetString(key)
+	if strings.HasPrefix(path, "~") {
+		if homeDir, err := os.UserHomeDir(); err == nil {
+			expanded := filepath.Join(homeDir, strings.TrimPrefix(path, "~"))
+			viper.Set(key, expanded)
+		}
 	}
 }

pkg/dump.go

@@ -2,10 +2,10 @@ package pkg
 
 import (
 	"bufio"
+	"errors"
+	"fmt"
 	"os"
 	"strings"
-
-	"github.com/pkg/errors"
 )
 
 var (
@@ -22,7 +22,7 @@ type parsedLine struct {
 func parseDumpFile(path string) ([]parsedLine, error) {
 	file, err := os.Open(path)
 	if err != nil {
-		return nil, errors.Wrapf(err, "failed opening dump file %s", path)
+		return nil, fmt.Errorf("failed opening dump file %s: %w", path, err)
 	}
 	defer file.Close()
 
@@ -34,7 +34,7 @@ func parseDumpFile(path string) ([]parsedLine, error) {
 		line++
 		parsed, err := parseLine(scanner.Text())
 		if err != nil && !errors.Is(errEmptyLine, err) {
-			return nil, errors.Wrapf(err, "failed parsing dump file line %d", line)
+			return nil, fmt.Errorf("failed parsing dump file line %d: %w", line, err)
 		}
 
 		parsedLines = append(parsedLines, parsed)

pkg/git/finder.go

@@ -1,6 +1,7 @@
 package git
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -9,7 +10,6 @@ import (
 	"syscall"
 
 	"github.com/karrick/godirwalk"
-	"github.com/pkg/errors"
 )
 
 // Max number of concurrently running status loading workers.
@@ -32,12 +32,12 @@ func Exists(path string) (bool, error) {
 
 	if err != nil {
 		if os.IsNotExist(err) {
-			return false, errors.Wrapf(errDirNotExist, "can't access %s", path)
+			return false, fmt.Errorf("can't access %s: %w", path, errDirNotExist)
 		}
 	}
 
 	// Directory exists but can't be accessed
-	return true, errors.Wrapf(errDirNoAccess, "can't access %s", path)
+	return true, fmt.Errorf("can't access %s: %w", path, errDirNoAccess)
 }
 
 // RepoFinder finds git repositories inside a given path and loads their status.

pkg/git/finder_test.go

@@ -45,7 +45,6 @@ func TestFinder(t *testing.T) {
 	}
 }
 
-// TODO: this test will only work on Linux
 func TestExists(t *testing.T) {
 	tests := []struct {
 		name string
@@ -56,10 +55,6 @@ func TestExists(t *testing.T) {
 			name: "dir does not exist",
 			path: "/this/directory/does/not/exist",
 			want: errDirNotExist,
-		}, {
-			name: "dir cant be accessed",
-			path: "/root/some/directory",
-			want: errDirNoAccess,
 		}, {
 			name: "dir exists",
 			path: "/tmp/",

pkg/url.go

@@ -1,13 +1,13 @@
 package pkg
 
 import (
+	"errors"
+	"fmt"
 	urlpkg "net/url"
 	"path"
 	"path/filepath"
 	"regexp"
 	"strings"
-
-	"github.com/pkg/errors"
 )
 
 var errEmptyURLPath = errors.New("parsed URL path is empty")
@@ -32,7 +32,7 @@ func ParseURL(rawURL string, defaultHost string, defaultScheme string) (url *url
 	} else {
 		url, err = urlpkg.Parse(rawURL)
 		if err != nil {
-			return nil, errors.Wrapf(err, "failed parsing URL %s", rawURL)
+			return nil, fmt.Errorf("failed parsing URL %s: %w", rawURL, err)
 		}
 	}