92 lines
3.2 KiB
Go
92 lines
3.2 KiB
Go
// Copyright (c) 2021 The Srpmproc Authors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package directives
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"github.com/go-git/go-git/v5"
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srpmprocpb "github.com/rocky-linux/srpmproc/pb"
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"github.com/rocky-linux/srpmproc/pkg/data"
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)
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func replace(cfg *srpmprocpb.Cfg, pd *data.ProcessData, _ *data.ModeData, patchTree *git.Worktree, pushTree *git.Worktree) error {
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for _, replace := range cfg.Replace {
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filePath := checkAddPrefix(replace.File)
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stat, err := pushTree.Filesystem.Stat(filePath)
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if replace.File == "" || err != nil {
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return errors.New(fmt.Sprintf("INVALID_FILE:%s", filePath))
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}
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err = pushTree.Filesystem.Remove(filePath)
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if err != nil {
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return errors.New(fmt.Sprintf("COULD_NOT_REMOVE_OLD_FILE:%s", filePath))
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}
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f, err := pushTree.Filesystem.OpenFile(filePath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, stat.Mode())
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if err != nil {
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return errors.New(fmt.Sprintf("COULD_NOT_OPEN_REPLACEMENT:%s", filePath))
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}
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switch replacing := replace.Replacing.(type) {
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case *srpmprocpb.Replace_WithFile:
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fPatch, err := patchTree.Filesystem.OpenFile(replacing.WithFile, os.O_RDONLY, 0644)
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if err != nil {
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return errors.New(fmt.Sprintf("COULD_NOT_OPEN_REPLACING:%s", replacing.WithFile))
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}
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replacingBytes, err := ioutil.ReadAll(fPatch)
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if err != nil {
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return errors.New(fmt.Sprintf("COULD_NOT_READ_REPLACING:%s", replacing.WithFile))
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}
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_, err = f.Write(replacingBytes)
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if err != nil {
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return errors.New(fmt.Sprintf("COULD_NOT_WRITE_REPLACING:%s", replacing.WithFile))
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}
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break
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case *srpmprocpb.Replace_WithInline:
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_, err := f.Write([]byte(replacing.WithInline))
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if err != nil {
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return errors.New(fmt.Sprintf("COULD_NOT_WRITE_INLINE:%s", filePath))
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}
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break
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case *srpmprocpb.Replace_WithLookaside:
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bts := pd.BlobStorage.Read(replacing.WithLookaside)
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hasher := data.CompareHash(bts, replacing.WithLookaside)
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if hasher == nil {
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return errors.New("LOOKASIDE_FILE_AND_HASH_NOT_MATCHING")
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}
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_, err := f.Write(bts)
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if err != nil {
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return errors.New(fmt.Sprintf("COULD_NOT_WRITE_LOOKASIDE:%s", filePath))
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}
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break
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}
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}
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return nil
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}
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