mirror of
https://github.com/rocky-linux/srpmproc.git
synced 2024-11-10 23:31:26 +00:00
113 lines
4.0 KiB
Go
113 lines
4.0 KiB
Go
// Copyright (c) 2021 The Srpmproc Authors
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
package directives
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"git.rockylinux.org/release-engineering/public/srpmproc/internal/data"
|
|
srpmprocpb "git.rockylinux.org/release-engineering/public/srpmproc/pb"
|
|
"github.com/bluekeyes/go-gitdiff/gitdiff"
|
|
"github.com/go-git/go-git/v5"
|
|
"log"
|
|
)
|
|
|
|
func patch(cfg *srpmprocpb.Cfg, _ *data.ProcessData, _ *data.ModeData, patchTree *git.Worktree, pushTree *git.Worktree) error {
|
|
for _, patch := range cfg.Patch {
|
|
patchFile, err := patchTree.Filesystem.Open(patch.File)
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_OPEN_PATCH_FILE:%s", patch.File))
|
|
}
|
|
files, _, err := gitdiff.Parse(patchFile)
|
|
if err != nil {
|
|
log.Printf("could not parse patch file: %v", err)
|
|
return errors.New(fmt.Sprintf("COULD_NOT_PARSE_PATCH_FILE:%s", patch.File))
|
|
}
|
|
|
|
for _, patchedFile := range files {
|
|
srcPath := patchedFile.NewName
|
|
if !patch.Strict {
|
|
srcPath = checkAddPrefix(patchedFile.NewName)
|
|
}
|
|
var output bytes.Buffer
|
|
if !patchedFile.IsDelete && !patchedFile.IsNew {
|
|
patchSubjectFile, err := pushTree.Filesystem.Open(srcPath)
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_OPEN_PATCH_SUBJECT:%s", srcPath))
|
|
}
|
|
|
|
err = gitdiff.NewApplier(patchSubjectFile).ApplyFile(&output, patchedFile)
|
|
if err != nil {
|
|
log.Printf("could not apply patch: %v", err)
|
|
return errors.New(fmt.Sprintf("COULD_NOT_APPLY_PATCH_WITH_SUBJECT:%s", srcPath))
|
|
}
|
|
}
|
|
|
|
oldName := patchedFile.OldName
|
|
if !patch.Strict {
|
|
oldName = checkAddPrefix(patchedFile.OldName)
|
|
}
|
|
_ = pushTree.Filesystem.Remove(oldName)
|
|
_ = pushTree.Filesystem.Remove(srcPath)
|
|
|
|
if patchedFile.IsNew {
|
|
newFile, err := pushTree.Filesystem.Create(srcPath)
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_CREATE_NEW_FILE:%s", srcPath))
|
|
}
|
|
err = gitdiff.NewApplier(newFile).ApplyFile(&output, patchedFile)
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_APPLY_PATCH_TO_NEW_FILE:%s", srcPath))
|
|
}
|
|
_, err = newFile.Write(output.Bytes())
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_WRITE_TO_NEW_FILE:%s", srcPath))
|
|
}
|
|
_, err = pushTree.Add(srcPath)
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_ADD_NEW_FILE_TO_GIT:%s", srcPath))
|
|
}
|
|
} else if !patchedFile.IsDelete {
|
|
newFile, err := pushTree.Filesystem.Create(srcPath)
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_CREATE_POST_PATCH_FILE:%s", srcPath))
|
|
}
|
|
_, err = newFile.Write(output.Bytes())
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_WRITE_POST_PATCH_FILE:%s", srcPath))
|
|
}
|
|
_, err = pushTree.Add(srcPath)
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_ADD_POST_PATCH_FILE_TO_GIT:%s", srcPath))
|
|
}
|
|
} else {
|
|
_, err = pushTree.Remove(oldName)
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("COULD_NOT_REMOVE_FILE_FROM_GIT:%s", oldName))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|