drone/app/api/controller/pullreq/pr_diff.go

96 lines
2.6 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 pullreq
import (
"context"
"fmt"
"io"
"github.com/harness/gitness/app/auth"
"github.com/harness/gitness/git"
gittypes "github.com/harness/gitness/git/api"
"github.com/harness/gitness/types"
"github.com/harness/gitness/types/enum"
)
// RawDiff writes raw git diff to writer w.
func (c *Controller) RawDiff(
ctx context.Context,
w io.Writer,
session *auth.Session,
repoRef string,
pullreqNum int64,
setSHAs func(sourceSHA, mergeBaseSHA string),
files ...gittypes.FileDiffRequest,
) error {
repo, err := c.getRepoCheckAccess(ctx, session, repoRef, enum.PermissionRepoView)
if err != nil {
return fmt.Errorf("failed to acquire access to target repo: %w", err)
}
pr, err := c.pullreqStore.FindByNumber(ctx, repo.ID, pullreqNum)
if err != nil {
return fmt.Errorf("failed to get pull request by number: %w", err)
}
if setSHAs != nil {
setSHAs(pr.SourceSHA, pr.MergeBaseSHA)
}
return c.git.RawDiff(ctx, w, &git.DiffParams{
ReadParams: git.CreateReadParams(repo),
BaseRef: pr.MergeBaseSHA,
HeadRef: pr.SourceSHA,
MergeBase: true,
}, files...)
}
func (c *Controller) Diff(
ctx context.Context,
session *auth.Session,
repoRef string,
pullreqNum int64,
setSHAs func(sourceSHA, mergeBaseSHA string),
includePatch bool,
ignoreWhitespace bool,
files ...gittypes.FileDiffRequest,
) (types.Stream[*git.FileDiff], error) {
repo, err := c.getRepoCheckAccess(ctx, session, repoRef, enum.PermissionRepoView)
if err != nil {
return nil, fmt.Errorf("failed to acquire access to target repo: %w", err)
}
pr, err := c.pullreqStore.FindByNumber(ctx, repo.ID, pullreqNum)
if err != nil {
return nil, fmt.Errorf("failed to get pull request by number: %w", err)
}
if setSHAs != nil {
setSHAs(pr.SourceSHA, pr.MergeBaseSHA)
}
reader := git.NewStreamReader(c.git.Diff(ctx, &git.DiffParams{
ReadParams: git.CreateReadParams(repo),
BaseRef: pr.MergeBaseSHA,
HeadRef: pr.SourceSHA,
MergeBase: true,
IncludePatch: includePatch,
IgnoreWhitespace: ignoreWhitespace,
}, files...))
return reader, nil
}