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Merge pull request #32088 from simonferquel/windows-dockerignore-fix

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Fix behavior of absolute paths in .dockerignore
This commit is contained in:
Vincent Demeester 2017-06-13 13:36:39 +02:00 committed by GitHub
commit c21c17c642
2 changed files with 34 additions and 7 deletions
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19
builder/dockerignore/dockerignore.go
View file

@ -38,8 +38,23 @@ func ReadAll(reader io.Reader) ([]string, error) {
if pattern == "" {
continue
}
pattern = filepath.Clean(pattern)
pattern = filepath.ToSlash(pattern)
// normalize absolute paths to paths relative to the context
// (taking care of '!' prefix)
invert := pattern[0] == '!'
if invert {
pattern = strings.TrimSpace(pattern[1:])
}
if len(pattern) > 0 {
pattern = filepath.Clean(pattern)
pattern = filepath.ToSlash(pattern)
if len(pattern) > 1 && pattern[0] == '/' {
pattern = pattern[1:]
}
}
if invert {
pattern = "!" + pattern
}
excludes = append(excludes, pattern)
}
if err := scanner.Err(); err != nil {

22
builder/dockerignore/dockerignore_test.go
View file

@ -25,7 +25,7 @@ func TestReadAll(t *testing.T) {
}
diName := filepath.Join(tmpDir, ".dockerignore")
content := fmt.Sprintf("test1\n/test2\n/a/file/here\n\nlastfile")
content := fmt.Sprintf("test1\n/test2\n/a/file/here\n\nlastfile\n# this is a comment\n! /inverted/abs/path\n!\n! \n")
err = ioutil.WriteFile(diName, []byte(content), 0777)
if err != nil {
t.Fatal(err)
@ -42,16 +42,28 @@ func TestReadAll(t *testing.T) {
t.Fatal(err)
}
if len(di) != 7 {
t.Fatalf("Expected 5 entries, got %v", len(di))
}
if di[0] != "test1" {
t.Fatal("First element is not test1")
}
if di[1] != "/test2" {
t.Fatal("Second element is not /test2")
if di[1] != "test2" { // according to https://docs.docker.com/engine/reference/builder/#dockerignore-file, /foo/bar should be treated as foo/bar
t.Fatal("Second element is not test2")
}
if di[2] != "/a/file/here" {
t.Fatal("Third element is not /a/file/here")
if di[2] != "a/file/here" { // according to https://docs.docker.com/engine/reference/builder/#dockerignore-file, /foo/bar should be treated as foo/bar
t.Fatal("Third element is not a/file/here")
}
if di[3] != "lastfile" {
t.Fatal("Fourth element is not lastfile")
}
if di[4] != "!inverted/abs/path" {
t.Fatal("Fifth element is not !inverted/abs/path")
}
if di[5] != "!" {
t.Fatalf("Sixth element is not !, but %s", di[5])
}
if di[6] != "!" {
t.Fatalf("Sixth element is not !, but %s", di[6])
}
}