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gitea/modules/git/repo_object.go
2019-06-29 16:51:10 -04:00

64 lines
1.6 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2019 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 git
import (
"bytes"
"io"
"strings"
)
// ObjectType git object type
type ObjectType string
const (
// ObjectCommit commit object type
ObjectCommit ObjectType = "commit"
// ObjectTree tree object type
ObjectTree ObjectType = "tree"
// ObjectBlob blob object type
ObjectBlob ObjectType = "blob"
// ObjectTag tag object type
ObjectTag ObjectType = "tag"
// ObjectBranch branch object type
ObjectBranch ObjectType = "branch"
)
// HashObject takes a reader and returns SHA1 hash for that reader
func (repo *Repository) HashObject(reader io.Reader) (SHA1, error) {
idStr, err := repo.hashObject(reader)
if err != nil {
return SHA1{}, err
}
return NewIDFromString(idStr)
}
func (repo *Repository) hashObject(reader io.Reader) (string, error) {
cmd := NewCommand("hash-object", "-w", "--stdin")
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
err := cmd.RunInDirFullPipeline(repo.Path, stdout, stderr, reader)
if err != nil {
return "", err
}
return strings.TrimSpace(stdout.String()), nil
}
// GetRefType gets the type of the ref based on the string
func (repo *Repository) GetRefType(ref string) ObjectType {
if repo.IsTagExist(ref) {
return ObjectTag
} else if repo.IsBranchExist(ref) {
return ObjectBranch
} else if repo.IsCommitExist(ref) {
return ObjectCommit
} else if _, err := repo.GetBlob(ref); err == nil {
return ObjectBlob
}
return ObjectType("invalid")
}