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forgejo/modules/git/repo_object.go
flynnnnnnnnnn e81ccc406b
Implement FSFE REUSE for golang files ()
Change all license headers to comply with REUSE specification.

Fix 

Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
2022-11-27 18:20:29 +00:00

72 lines
1.7 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
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"
)
// Bytes returns the byte array for the Object Type
func (o ObjectType) Bytes() []byte {
return []byte(o)
}
// 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(repo.Ctx, "hash-object", "-w", "--stdin")
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
err := cmd.Run(&RunOpts{
Dir: repo.Path,
Stdin: reader,
Stdout: stdout,
Stderr: stderr,
})
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")
}