drone/git/api/object.go

75 lines
1.9 KiB
Go

// Copyright 2023 Harness, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"bytes"
"context"
"fmt"
"io"
"github.com/harness/gitness/git/command"
"github.com/harness/gitness/git/sha"
)
type GitObjectType string
const (
GitObjectTypeCommit GitObjectType = "commit"
GitObjectTypeTree GitObjectType = "tree"
GitObjectTypeBlob GitObjectType = "blob"
GitObjectTypeTag GitObjectType = "tag"
)
func ParseGitObjectType(t string) (GitObjectType, error) {
switch t {
case string(GitObjectTypeCommit):
return GitObjectTypeCommit, nil
case string(GitObjectTypeBlob):
return GitObjectTypeBlob, nil
case string(GitObjectTypeTree):
return GitObjectTypeTree, nil
case string(GitObjectTypeTag):
return GitObjectTypeTag, nil
default:
return GitObjectTypeBlob, fmt.Errorf("unknown git object type '%s'", t)
}
}
type SortOrder int
const (
SortOrderDefault SortOrder = iota
SortOrderAsc
SortOrderDesc
)
func (g *Git) HashObject(ctx context.Context, repoPath string, reader io.Reader) (sha.SHA, error) {
cmd := command.New("hash-object",
command.WithFlag("-w"),
command.WithFlag("--stdin"),
)
stdout := new(bytes.Buffer)
err := cmd.Run(ctx,
command.WithDir(repoPath),
command.WithStdin(reader),
command.WithStdout(stdout),
)
if err != nil {
return sha.None, fmt.Errorf("failed to hash object: %w", err)
}
return sha.New(stdout.String())
}