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package git_commands
import (
"strings"
"github.com/jesseduffield/lazygit/pkg/commands/models"
"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
"github.com/jesseduffield/lazygit/pkg/common"
"github.com/samber/lo"
)
type CommitFileLoader struct {
*common.Common
cmd oscommands.ICmdObjBuilder
}
func NewCommitFileLoader(common *common.Common, cmd oscommands.ICmdObjBuilder) *CommitFileLoader {
return &CommitFileLoader{
Common: common,
cmd: cmd,
}
}
// GetFilesInDiff get the specified commit files
func (self *CommitFileLoader) GetFilesInDiff(from string, to string, reverse bool) ([]*models.CommitFile, error) {
cmdArgs := NewGitCmd("diff").
Config("diff.noprefix=false").
Arg("--submodule").
Arg("--no-ext-diff").
Arg("--name-status").
Arg("-z").
Arg("--no-renames").
ArgIf(reverse, "-R").
Arg(from).
Arg(to).
ToArgv()
filenames, err := self.cmd.New(cmdArgs).DontLog().RunWithOutput()
if err != nil {
return nil, err
}
return getCommitFilesFromFilenames(filenames), nil
}
// filenames string is something like "MM\x00file1\x00MU\x00file2\x00AA\x00file3\x00"
// so we need to split it by the null character and then map each status-name pair to a commit file
func getCommitFilesFromFilenames(filenames string) []*models.CommitFile {
lines := strings.Split(strings.TrimRight(filenames, "\x00"), "\x00")
if len(lines) == 1 {
return []*models.CommitFile{}
}
// typical result looks like 'A my_file' meaning my_file was added
return lo.Map(lo.Chunk(lines, 2), func(chunk []string, _ int) *models.CommitFile {
return &models.CommitFile{
ChangeStatus: chunk[0],
Name: chunk[1],
}
})
}
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