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fix invalid error message "no go files to analyze" #1154

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merged 1 commit into from
May 19, 2020
Merged

fix invalid error message "no go files to analyze" #1154

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11 changes: 9 additions & 2 deletions pkg/lint/load.go
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Original file line number Diff line number Diff line change
Expand Up @@ -199,7 +199,14 @@ func (cl *ContextLoader) loadPackages(ctx context.Context, loadMode packages.Loa
cl.debugf("Built loader args are %s", args)
pkgs, err := packages.Load(conf, args...)
if err != nil {
return nil, errors.Wrap(err, "failed to load program with go/packages")
return nil, errors.Wrap(err, "failed to load with go/packages")
}

// Currently, go/packages doesn't guarantee that error will be returned
// if context was canceled. See
// https://github.com/golang/tools/commit/c5cec6710e927457c3c29d6c156415e8539a5111#r39261855
if ctx.Err() != nil {
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Perhaps:

if err := ctx.Err(); err != nil {

would do? It would allow to avoid calling ctx.Err() twice.

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I don't see any profit to save nanoseconds here :)

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@jirfag jirfag May 19, 2020 •
edited
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update: maybe microseconds

func (c *cancelCtx) Err() error {
	c.mu.Lock()
	err := c.err
	c.mu.Unlock()
	return err
}

It doesn't make sense to waste time on such micro-optimization, there are a lot of things to save seconds of time

return nil, errors.Wrap(ctx.Err(), "timed out to load packages")
}

if loadMode&packages.NeedSyntax == 0 {
Expand Down Expand Up @@ -280,7 +287,7 @@ func (cl *ContextLoader) Load(ctx context.Context, linters []*linter.Config) (*l
loadMode := cl.findLoadMode(linters)
pkgs, err := cl.loadPackages(ctx, loadMode)
if err != nil {
return nil, err
return nil, errors.Wrap(err, "failed to load packages")
}

deduplicatedPkgs := cl.filterDuplicatePackages(pkgs)
Expand Down