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Ignore dot-prefixed files and subdirs when scanning packages #551

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merged 5 commits into from
May 11, 2017
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Ignore dot-prefixed files and subdirs when scanning packages #551

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536add9
Don't try to parse directories named *.go
ascandella May 10, 2017
2ff0643
Update logic to ignore all '.'-prefixed files
ascandella May 11, 2017
474fb3e
Handle directories ending in .go
ascandella May 11, 2017
78ecf7b
Add tests for recursing into dot-go directories
ascandella May 11, 2017
27fbbf2
Fix header and test import
ascandella May 11, 2017
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Empty file added internal/gps/_testdata/src/dotgodir/.go/.gitkeep
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11 changes: 9 additions & 2 deletions internal/gps/pkgtree/pkgtree.go
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Original file line number Diff line number Diff line change
Expand Up @@ -199,10 +199,17 @@ func fillPackage(p *build.Package) error {
var testImports []string
var imports []string
for _, file := range gofiles {
// Skip underscore-led files, in keeping with the rest of the toolchain.
if filepath.Base(file)[0] == '_' {
// Skip underscore-led or dot-led files, in keeping with the rest of the toolchain.
bPrefix := filepath.Base(file)[0]
if bPrefix == '_' || bPrefix == '.' {
continue
}

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Any file that starts with ., _ or called testdata should be ignored when scanning source directories. Rather than this check, extend the check on line 203 to check for `== '.'.

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Sounds good! Is this documented somewhere?

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Also, that still leaves us open to the case where somebody names a directory "foo.go" inside their project. Perhaps we should handle that case separately, or at least give them a more helpful error message?

// Skip any directories that happen to end with ".go"
if stat, err := os.Stat(file); err == nil && stat.IsDir() {
continue
}

pf, err := parser.ParseFile(token.NewFileSet(), file, nil, parser.ImportsOnly|parser.ParseComments)
if err != nil {
if os.IsPermission(err) {
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5 changes: 5 additions & 0 deletions internal/gps/pkgtree/pkgtree_test.go
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Expand Up @@ -1280,6 +1280,11 @@ func TestListPackages(t *testing.T) {
},
},
},
"skip directories starting with '.'": {
fileRoot: j("dotgodir"),
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Let's also add e.g. a foo.go dir to accompany the .go dir, so that we're testing both the dot-led and the dir-ending-in-.go case.

importRoot: "dotgodir",
err: nil,
},
}

for name, fix := range table {
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