cerc-io/lotus
16
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 27 Wiki Activity

Error if backup file exists

Browse Source 
Error out if backup file already exists
This commit is contained in:
Phi 2023-02-08 11:33:48 +01:00
parent 8066833b3a
commit b78cbcbb99
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
cli/backup.go
View File

@ -61,6 +61,10 @@ func BackupCmd(repoFlag string, rt repo.RepoType, getApi BackupApiFn) *cli.Comma
return xerrors.Errorf("expanding file path: %w", err)
}
if _, err := os.Stat(fpath); !os.IsNotExist(err) {
return xerrors.Errorf("backup file %s already exists. Overwriting it will corrupt the file, please specify another file name", fpath)
}
out, err := os.OpenFile(fpath, os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
return xerrors.Errorf("opening backup file %s: %w", fpath, err)
@ -87,7 +91,12 @@ func BackupCmd(repoFlag string, rt repo.RepoType, getApi BackupApiFn) *cli.Comma
}
defer closer()
err = api.CreateBackup(ReqContext(cctx), cctx.Args().First())
backupPath := cctx.Args().First()
if _, err := os.Stat(backupPath); err == nil {
return xerrors.Errorf("backup file %s already exists. Overwriting it will corrupt the file, please specify another file name", backupPath)
}
err = api.CreateBackup(ReqContext(cctx), backupPath)
if err != nil {
return err
}