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write api file automically

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Signed-off-by: Tiger <rbalajis25@gmail.com>
This commit is contained in:
Tiger 2020-05-06 22:42:17 +05:30
parent 591c541345
commit 17ec10436f
1 changed files with 12 additions and 4 deletions
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16
repo/fsrepo/fsrepo.go
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@ -359,14 +359,22 @@ func (r *FSRepo) Path() string {
// SetAPIAddr writes the API Addr to the /api file.
func (r *FSRepo) SetAPIAddr(addr ma.Multiaddr) error {
f, err := os.Create(filepath.Join(r.path, apiFile))
// Create a temp file to write the address, so that we don't leave empty file when the
// program crashes after creating the file.
f, err := os.Create(filepath.Join(r.path, apiFile+"-tmp"))
if err != nil {
return err
}
defer f.Close()
_, err = f.WriteString(addr.String())
return err
if _, err = f.WriteString(addr.String()); err != nil {
return err
}
if err = f.Close(); err != nil {
return err
}
// Atomically rename the temp file to the correct file name.
return os.Rename(filepath.Join(r.path, apiFile+"-tmp"), filepath.Join(r.path, apiFile))
}
// openConfig returns an error if the config file is not present.