archiveFromContainer(): return possibly-wrapped os.IsNotError #153
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When a source specified as a glob can't be found, return an error that can be identified by as an
os.ErrIsNotExist
, wrapped or otherwise, even if we have to drop the glob from the error string to ensure that for versions of Go that don't wrap errors.Unit tests for the
dockerclient
package were failing with Go 1.12 without this patch. See the 1.13 release note on the use of the%w
format specifier.