mirror of https://github.com/harness/drone.git
83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package file
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import (
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"context"
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"fmt"
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"io"
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"github.com/harness/gitness/git"
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"github.com/harness/gitness/types"
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"github.com/rs/zerolog/log"
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)
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type service struct {
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git git.Interface
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}
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func newService(git git.Interface) Service {
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return &service{git: git}
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}
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func (f *service) Get(
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ctx context.Context,
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repo *types.Repository,
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path string,
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ref string,
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) (*File, error) {
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readParams := git.ReadParams{
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RepoUID: repo.GitUID,
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}
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treeNodeOutput, err := f.git.GetTreeNode(ctx, &git.GetTreeNodeParams{
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ReadParams: readParams,
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GitREF: ref,
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Path: path,
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IncludeLatestCommit: false,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to read tree node: %w", err)
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}
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// viewing Raw content is only supported for blob content
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if treeNodeOutput.Node.Type != git.TreeNodeTypeBlob {
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return nil, fmt.Errorf("path content is not of blob type: %s", treeNodeOutput.Node.Type)
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}
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blobReader, err := f.git.GetBlob(ctx, &git.GetBlobParams{
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ReadParams: readParams,
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SHA: treeNodeOutput.Node.SHA,
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SizeLimit: 0, // no size limit, we stream whatever data there is
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})
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if err != nil {
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return nil, fmt.Errorf("failed to read blob: %w", err)
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}
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defer func() {
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if err := blobReader.Content.Close(); err != nil {
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log.Ctx(ctx).Warn().Err(err).Msgf("failed to close blob content reader.")
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}
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}()
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buf, err := io.ReadAll(blobReader.Content)
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if err != nil {
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return nil, fmt.Errorf("could not read blob content from file: %w", err)
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}
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return &File{
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Data: buf,
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}, nil
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}
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