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package commands
import (
"io/ioutil"
"strconv"
"github.com/go-errors/errors"
"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
"github.com/jesseduffield/lazygit/pkg/common"
"github.com/jesseduffield/lazygit/pkg/utils"
)
type FileCommands struct {
*common.Common
cmd oscommands.ICmdObjBuilder
config *ConfigCommands
os FileOSCommand
}
type FileOSCommand interface {
Getenv(string) string
}
func NewFileCommands(
common *common.Common,
cmd oscommands.ICmdObjBuilder,
config *ConfigCommands,
osCommand FileOSCommand,
) *FileCommands {
return &FileCommands{
Common: common,
cmd: cmd,
config: config,
os: osCommand,
}
}
// Cat obtains the content of a file
func (self *FileCommands) Cat(fileName string) (string, error) {
buf, err := ioutil.ReadFile(fileName)
if err != nil {
return "", nil
}
return string(buf), nil
}
func (c *FileCommands) GetEditCmdStr(filename string, lineNumber int) (string, error) {
editor := c.UserConfig.OS.EditCommand
if editor == "" {
editor = c.config.GetCoreEditor()
}
if editor == "" {
editor = c.os.Getenv("GIT_EDITOR")
}
if editor == "" {
editor = c.os.Getenv("VISUAL")
}
if editor == "" {
editor = c.os.Getenv("EDITOR")
}
if editor == "" {
if err := c.cmd.New("which vi").DontLog().Run(); err == nil {
editor = "vi"
}
}
if editor == "" {
return "", errors.New("No editor defined in config file, $GIT_EDITOR, $VISUAL, $EDITOR, or git config")
}
templateValues := map[string]string{
"editor": editor,
"filename": c.cmd.Quote(filename),
"line": strconv.Itoa(lineNumber),
}
editCmdTemplate := c.UserConfig.OS.EditCommandTemplate
return utils.ResolvePlaceholderString(editCmdTemplate, templateValues), nil
}
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