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Make updateCache() more readable

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This commit is contained in:
Frank Denis 2023-08-11 11:11:16 +02:00
parent ce55d1c5bb
commit afcfd566c9
1 changed files with 17 additions and 17 deletions
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34
dnscrypt-proxy/sources.go
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@ -102,24 +102,24 @@ func writeSource(f string, bin, sig []byte) error {
} }
func (source *Source) updateCache(bin, sig []byte, now time.Time) { func (source *Source) updateCache(bin, sig []byte, now time.Time) {
f := source.cacheFile file := source.cacheFile
var writeErr error // an error writing cache isn't fatal absPath := file
defer func() { if resolved, err := filepath.Abs(file); err != nil {
source.bin = bin absPath = resolved
if writeErr == nil { }
return
} if bytes.Equal(source.bin, bin) {
if absPath, absErr := filepath.Abs(f); absErr == nil { if err := os.Chtimes(file, now, now); err != nil {
f = absPath dlog.Warnf("Couldn't update cache file [%s]: %s", absPath, err)
} }
dlog.Warnf("%s: %s", f, writeErr) return
}() }
if !bytes.Equal(source.bin, bin) {
if writeErr = writeSource(f, bin, sig); writeErr != nil { source.bin = bin
return
} if err := writeSource(file, bin, sig); err != nil {
dlog.Warnf("Couldn't write cache file [%s]: %s", absPath, err) // an error writing to the cache isn't fatal
} }
writeErr = os.Chtimes(f, now, now)
} }
func (source *Source) parseURLs(urls []string) { func (source *Source) parseURLs(urls []string) {