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