I tried to state a path relative to the home directory, since in the
context I am writing for the path from ~ to the Git repository will be
consistent, though the meaning of ~ may change based on user. A snippet:
const specPath = "~/trunk/infra/metadata/config.cfg"
absPath, _ := filepath.Abs(specPath)
if err := readJSONPb(absPath, &s); err != nil {
fmt.Printf("specPath is %s, or as absolute %s\n", specPath, absPath)
return nil, errors.Annotate(err, "extracting tests from spec").Err()
}
However, this produces this output:
specPath is ~/trunk/infra/metadata/config.cfg, or as absolute
/home/jkop/trunk/infra/~/trunk/infra/metadata/config.cfg
extracting tests from spec: read JSON pb: open
/home/jkop/trunk/infra/~/trunk/infra/metadata/config.cfg: no such file or
directory
This is a) surprising, since I would expect a platform-sensitive absolute
path function to deal with platform-global shortcuts like ~, and b)
completely undocumented. The docs say that "Abs returns an absolute
representation of path. If the path is not absolute it will be joined with
the current working directory to turn it into an absolute path." It doesn't
say "If the path is not *rooted*", but "not *absolute*". This is not an
absolute *representation* but it does specify an absolute path
unambiguously.
What's the process for submitting a change to a core library like this one?
Ideally, to the code, but I'd settle for making the documentation clearer.
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