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// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package utils
import (
"net/http"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
)
// ResolveRefOrSha resolve ref to sha if exist
func ResolveRefOrSha(ctx *context.APIContext, ref string) string {
if len(ref) == 0 {
ctx.Error(http.StatusBadRequest, "ref not given", nil)
return ""
}
// Search branches and tags
for _, refType := range []string{"heads", "tags"} {
refSHA, lastMethodName, err := searchRefCommitByType(ctx, refType, ref)
if err != nil {
ctx.Error(http.StatusInternalServerError, lastMethodName, err)
return ""
}
if refSHA != "" {
return refSHA
}
}
return ref
}
// GetGitRefs return git references based on filter
func GetGitRefs(ctx *context.APIContext, filter string) ([]*git.Reference, string, error) {
if ctx.Repo.GitRepo == nil {
var err error
ctx.Repo.GitRepo, err = git.OpenRepositoryCtx(ctx, ctx.Repo.Repository.RepoPath())
if err != nil {
return nil, "OpenRepository", err
}
defer ctx.Repo.GitRepo.Close()
}
if len(filter) > 0 {
filter = "refs/" + filter
}
refs, err := ctx.Repo.GitRepo.GetRefsFiltered(filter)
return refs, "GetRefsFiltered", err
}
func searchRefCommitByType(ctx *context.APIContext, refType, filter string) (string, string, error) {
refs, lastMethodName, err := GetGitRefs(ctx, refType+"/"+filter) // Search by type
if err != nil {
return "", lastMethodName, err
}
if len(refs) > 0 {
return refs[0].Object.String(), "", nil // Return found SHA
}
return "", "", nil
}
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