enhancement of compare feature

modules/git/repo_branch_gogit.go

@@ -8,6 +8,7 @@ package git
 
 import (
 	"context"
+	"fmt"
 	"sort"
 	"strings"
 
@@ -95,6 +96,41 @@ func (repo *Repository) GetBranchNames(skip, limit int) ([]string, int, error) {
 	return branchNames, len(branchData), nil
 }
 
+// GetRemotetBranchNames returns branches from the repository remote, skipping "skip" initial branches and
+// returning at most "limit" branches, or all branches if "limit" is 0.
+func (repo *Repository) GetRemotetBranchNames(remote string, skip, limit int) ([]string, int, error) {
+	var branchNames []string
+
+	refs, err := repo.gogitRepo.References()
+	if err != nil {
+		return nil, 0, nil
+	}
+
+	i := 0
+	count := 0
+	refPrefix := fmt.Sprintf("refs/remotes/%s/", remote)
+
+	_ = refs.ForEach(func(ref *plumbing.Reference) error {
+		refName := ref.Name().String()
+		if !strings.HasPrefix(refName, refPrefix) {
+			return nil
+		}
+
+		count++
+		if i < skip {
+			i++
+			return nil
+		} else if limit != 0 && count > skip+limit {
+			return nil
+		}
+
+		branchNames = append(branchNames, strings.TrimPrefix(refName, refPrefix))
+		return nil
+	})
+
+	return branchNames, count, nil
+}
+
 // WalkReferences walks all the references from the repository
 // refType should be empty, ObjectTag or ObjectBranch. All other values are equivalent to empty.
 func WalkReferences(ctx context.Context, repoPath string, walkfn func(sha1, refname string) error) (int, error) {

modules/git/repo_branch_nogogit.go

@@ -10,6 +10,7 @@ import (
 	"bufio"
 	"bytes"
 	"context"
+	"fmt"
 	"io"
 	"strings"
 
@@ -65,6 +66,14 @@ func (repo *Repository) GetBranchNames(skip, limit int) ([]string, int, error) {
 	return callShowRef(repo.Ctx, repo.Path, BranchPrefix, TrustedCmdArgs{BranchPrefix, "--sort=-committerdate"}, skip, limit)
 }
 
+// GetRemotetBranchNames returns branches from the repository remote, skipping "skip" initial branches and
+// returning at most "limit" branches, or all branches if "limit" is 0.
+func (repo *Repository) GetRemotetBranchNames(remote string, skip, limit int) ([]string, int, error) {
+	refPrefix := fmt.Sprintf("refs/remotes/%s/", remote)
+
+	return callShowRef(repo.Ctx, repo.Path, refPrefix, ToTrustedCmdArgs([]string{refPrefix, "--sort=-committerdate"}), skip, limit)
+}
+
 // WalkReferences walks all the references from the repository
 func WalkReferences(ctx context.Context, repoPath string, walkfn func(sha1, refname string) error) (int, error) {
 	return walkShowRef(ctx, repoPath, nil, 0, 0, walkfn)

options/locale/locale_en-US.ini

@@ -1139,6 +1139,7 @@ branch = Branch
 tree = Tree
 clear_ref = `Clear current reference`
 filter_branch_and_tag = Filter branch or tag
+filter_repo = Search repository
 find_tag = Find tag
 branches = Branches
 tags = Tags
@@ -1679,6 +1680,13 @@ issues.reference_link = Reference: %s
 
 compare.compare_base = base
 compare.compare_head = compare
+compare.mode.in_same_repo = Compare in same repository
+compare.mode.across_repos = Compare across repositorys
+compare.mode.across_service = Compare with external repository
+compare.titile = Comparing %s
+compare.button_title = Compare
+compare.refs_not_exist = Head or base ref is not exist.
+compare.head_info_not_exist = Head user or repository is not exist.
 
 pulls.desc = Enable pull requests and code reviews.
 pulls.new = New Pull Request