Improve code readability #1

+ Improved tests readability of common_utils_test.go
+ Fixed minor typos

internal/commands/status_cmd.go

@@ -6,6 +6,7 @@ import (
 	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/object"
 	"gitlab.com/revalus/grm/internal/config"
+	"path"
 	"sort"
 )
 
@@ -20,7 +21,7 @@ func NewStatusChecker(workspace string) StatusChecker {
 }
 
 func findNumberOfCommitDiffs(srcCommit *object.Commit, dstCommit *object.Commit) int {
-
+	// This function is a helper function to get only five latest items, based on given commit
 	getFiveElementsFromHashes := func(commit *object.Commit, hashedSlice *[]string) *object.Commit {
 
 		var err error
@@ -36,6 +37,7 @@ func findNumberOfCommitDiffs(srcCommit *object.Commit, dstCommit *object.Commit)
 		return commit
 	}
 
+	// Compare diff between sources by hash list (the same hash list must be present to assume the end of changes)
 	getRangeDiff := func(listFist, listSecond []string) (int, bool) {
 		diffRange := 0
 
@@ -54,6 +56,8 @@ func findNumberOfCommitDiffs(srcCommit *object.Commit, dstCommit *object.Commit)
 
 	baseCommitHashes := []string{}
 	destCommitHashes := []string{}
+
+	// Try to find all differences, limit only to five last changes to avoid reading whole repository at once
 	for {
 
 		if srcCommit != nil {
@@ -80,8 +84,8 @@ func (sc StatusChecker) Command(repoCfg config.RepositoryConfig) CommandStatus {
 		Error:   false,
 	}
 
-	destPath := fmt.Sprintf("%v/%v", sc.workspace, repoCfg.Dest)
-	repo, err := git.PlainOpen(destPath)
+	repositoryPath := path.Join(sc.workspace, repoCfg.Dest)
+	repo, err := git.PlainOpen(repositoryPath)
 
 	if err != nil {
 		cmdStatus.Error = true