mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-22 05:45:10 +01:00
92 lines
2.8 KiB
Go
92 lines
2.8 KiB
Go
// Copyright 2018 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"context"
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"strings"
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"code.gitea.io/gitea/modules/util"
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)
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// GetRefs returns all references of the repository.
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func (repo *Repository) GetRefs() ([]*Reference, error) {
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return repo.GetRefsFiltered("")
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}
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// ListOccurrences lists all refs of the given refType the given commit appears in sorted by creation date DESC
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// refType should only be a literal "branch" or "tag" and nothing else
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func (repo *Repository) ListOccurrences(ctx context.Context, refType, commitSHA string) ([]string, error) {
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cmd := NewCommand(ctx)
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if refType == "branch" {
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cmd.AddArguments("branch")
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} else if refType == "tag" {
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cmd.AddArguments("tag")
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} else {
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return nil, util.NewInvalidArgumentErrorf(`can only use "branch" or "tag" for refType, but got %q`, refType)
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}
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stdout, _, err := cmd.AddArguments("--no-color", "--sort=-creatordate", "--contains").AddDynamicArguments(commitSHA).RunStdString(&RunOpts{Dir: repo.Path})
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if err != nil {
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return nil, err
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}
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refs := strings.Split(strings.TrimSpace(stdout), "\n")
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if refType == "branch" {
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return parseBranches(refs), nil
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}
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return parseTags(refs), nil
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}
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func parseBranches(refs []string) []string {
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results := make([]string, 0, len(refs))
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for _, ref := range refs {
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if strings.HasPrefix(ref, "* ") { // current branch (main branch)
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results = append(results, ref[len("* "):])
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} else if strings.HasPrefix(ref, " ") { // all other branches
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results = append(results, ref[len(" "):])
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} else if ref != "" {
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results = append(results, ref)
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}
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}
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return results
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}
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func parseTags(refs []string) []string {
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results := make([]string, 0, len(refs))
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for _, ref := range refs {
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if ref != "" {
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results = append(results, ref)
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}
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}
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return results
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}
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// UnstableGuessRefByShortName does the best guess to see whether a "short name" provided by user is a branch, tag or commit.
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// It could guess wrongly if the input is already ambiguous. For example:
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// * "refs/heads/the-name" vs "refs/heads/refs/heads/the-name"
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// * "refs/tags/1234567890" vs commit "1234567890"
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// In most cases, it SHOULD AVOID using this function, unless there is an irresistible reason (eg: make API friendly to end users)
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// If the function is used, the caller SHOULD CHECK the ref type carefully.
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func (repo *Repository) UnstableGuessRefByShortName(shortName string) RefName {
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if repo.IsBranchExist(shortName) {
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return RefNameFromBranch(shortName)
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}
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if repo.IsTagExist(shortName) {
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return RefNameFromTag(shortName)
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}
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if strings.HasPrefix(shortName, "refs/") {
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if repo.IsReferenceExist(shortName) {
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return RefName(shortName)
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}
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}
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commit, err := repo.GetCommit(shortName)
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if err == nil {
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commitIDString := commit.ID.String()
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if strings.HasPrefix(commitIDString, shortName) {
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return RefName(commitIDString)
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}
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}
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return ""
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}
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