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fs: deglobalise the config #4685

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This is done by making fs.Config private and attaching it to the
context instead.

The Config should be obtained with fs.GetConfig and fs.AddConfig
should be used to get a new mutable config that can be changed.
This commit is contained in:
Nick Craig-Wood
2020-11-05 11:33:32 +00:00
parent 506342317b
commit 2e21c58e6a
93 changed files with 1128 additions and 847 deletions
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13
fs/operations/check.go
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@@ -114,16 +114,17 @@ func (c *checkMarch) SrcOnly(src fs.DirEntry) (recurse bool) {
// check to see if two objects are identical using the check function
func (c *checkMarch) checkIdentical(ctx context.Context, dst, src fs.Object) (differ bool, noHash bool, err error) {
ci := fs.GetConfig(ctx)
tr := accounting.Stats(ctx).NewCheckingTransfer(src)
defer func() {
tr.Done(ctx, err)
}()
if sizeDiffers(src, dst) {
if sizeDiffers(ctx, src, dst) {
err = errors.Errorf("Sizes differ")
fs.Errorf(src, "%v", err)
return true, false, nil
}
if fs.Config.SizeOnly {
if ci.SizeOnly {
return false, false, nil
}
return c.opt.Check(ctx, dst, src)
@@ -202,11 +203,12 @@ func (c *checkMarch) Match(ctx context.Context, dst, src fs.DirEntry) (recurse b
// it returns true if differences were found
// it also returns whether it couldn't be hashed
func CheckFn(ctx context.Context, opt *CheckOpt) error {
ci := fs.GetConfig(ctx)
if opt.Check == nil {
return errors.New("internal error: nil check function")
}
c := &checkMarch{
tokens: make(chan struct{}, fs.Config.Checkers),
tokens: make(chan struct{}, ci.Checkers),
opt: *opt,
}
@@ -219,7 +221,7 @@ func CheckFn(ctx context.Context, opt *CheckOpt) error {
Callback: c,
}
fs.Debugf(c.opt.Fdst, "Waiting for checks to finish")
err := m.Run()
err := m.Run(ctx)
c.wg.Wait() // wait for background go-routines
if c.dstFilesMissing > 0 {
@@ -308,7 +310,8 @@ func CheckEqualReaders(in1, in2 io.Reader) (differ bool, err error) {
//
// it returns true if differences were found
func CheckIdenticalDownload(ctx context.Context, dst, src fs.Object) (differ bool, err error) {
err = Retry(src, fs.Config.LowLevelRetries, func() error {
ci := fs.GetConfig(ctx)
err = Retry(src, ci.LowLevelRetries, func() error {
differ, err = checkIdenticalDownload(ctx, dst, src)
return err
})