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fix: sanitize all invalid characters in checksum filenames #2886

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fix: sanitize all invalid characters in checksum filenames #2886

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2 changes: 1 addition & 1 deletion internal/fingerprint/sources_checksum.go
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ func (checker *ChecksumChecker) checksumFilePath(t *ast.Task) string {
return filepath.Join(checker.tempDir, "checksum", normalizeFilename(t.Name()))
}

var checksumFilenameRegexp = regexp.MustCompile("[^A-z0-9]")
var checksumFilenameRegexp = regexp.MustCompile("[^A-Za-z0-9]")

// replaces invalid characters on filenames with "-"
func normalizeFilename(f string) string {
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6 changes: 6 additions & 0 deletions internal/fingerprint/sources_checksum_test.go
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Expand Up @@ -16,6 +16,12 @@ func TestNormalizeFilename(t *testing.T) {
{"foo/bar/baz", "foo-bar-baz"},
{"foo@bar/baz", "foo-bar-baz"},
{"foo1bar2baz3", "foo1bar2baz3"},
// Characters in the ASCII range between 'Z' (90) and 'a' (97) must
// also be normalized. A "[A-z]" class would wrongly include these.
{"foo\\bar", "foo-bar"},
{"foo_bar", "foo-bar"},
{"foo[bar]baz", "foo-bar-baz"},
{"foo^bar`baz", "foo-bar-baz"},
}
for _, test := range tests {
assert.Equal(t, test.Out, normalizeFilename(test.In))
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