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Fix --files-from with an empty file copying everything - fixes #1196

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This commit is contained in:
Nick Craig-Wood 2017-03-04 10:11:15 +00:00
parent 4ab7e05e02
commit 10e532bce9
1 changed files with 8 additions and 2 deletions
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10
fs/filter.go
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@ -212,6 +212,7 @@ func NewFilter() (f *Filter, err error) {
}
if filesFrom != nil {
for _, rule := range *filesFrom {
f.initAddFile() // init to show --files-from set even if no files within
err := forEachLine(rule, func(line string) error {
return f.AddFile(line)
})
@ -323,12 +324,17 @@ func (f *Filter) AddRule(rule string) error {
return errors.Errorf("malformed rule %q", rule)
}
// AddFile adds a single file to the files from list
func (f *Filter) AddFile(file string) error {
// initAddFile creates f.files and f.dirs
func (f *Filter) initAddFile() {
if f.files == nil {
f.files = make(FilesMap)
f.dirs = make(FilesMap)
}
}
// AddFile adds a single file to the files from list
func (f *Filter) AddFile(file string) error {
f.initAddFile()
file = strings.Trim(file, "/")
f.files[file] = struct{}{}
// Put all the parent directories into f.dirs