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Fixed deep splatting merge anchors - dont visit twice

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This commit is contained in:
Mike Farah 2020-02-04 14:10:12 +11:00
parent 6f0538173b
commit 02258fbaae
2 changed files with 30 additions and 3 deletions
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26
cmd/commands_test.go
View File

@ -247,6 +247,32 @@ func TestReadAnchorsWithKeyAndValueCmd(t *testing.T) {
test.AssertResult(t, "foobar.a: 1\n", result.Output)
}
func TestReadAllAnchorsWithKeyAndValueCmd(t *testing.T) {
cmd := getRootCommand()
result := test.RunCmd(cmd, "read -p pv ../examples/merge-anchor.yaml **")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `foo.a: original
foo.thing: coolasdf
foo.thirsty: yep
bar.b: 2
bar.thing: coconut
bar.c: oldbar
foobarList.c: newbar
foobarList.b: 2
foobarList.thing: coconut
foobarList.a: original
foobarList.thirsty: yep
foobar.thirty: well beyond
foobar.thing: ice
foobar.c: 3
foobar.a: original
foobar.thirsty: yep
`
test.AssertResult(t, expectedOutput, result.Output)
}
func TestReadMergeAnchorsOriginalCmd(t *testing.T) {
cmd := getRootCommand()
result := test.RunCmd(cmd, "read ../examples/merge-anchor.yaml foobar.a")

7
pkg/yqlib/data_navigator.go
View File

@ -35,7 +35,9 @@ func (n *navigator) doTraverse(value *yaml.Node, head string, tail []string, pat
DebugNode(value)
var errorDeepSplatting error
if head == "**" && value.Kind != yaml.ScalarNode {
errorDeepSplatting = n.recurse(value, head, tail, pathStack)
if len(pathStack) == 0 || pathStack[len(pathStack)-1] != "<<" {
errorDeepSplatting = n.recurse(value, head, tail, pathStack)
}
// ignore errors here, we are deep splatting so we may accidently give a string key
// to an array sequence
if len(tail) > 0 {
@ -93,10 +95,9 @@ func (n *navigator) recurse(value *yaml.Node, head string, tail []string, pathSt
func (n *navigator) recurseMap(value *yaml.Node, head string, tail []string, pathStack []interface{}) error {
traversedEntry := false
errorVisiting := n.visitMatchingEntries(value, head, tail, pathStack, func(contents []*yaml.Node, indexInMap int) error {
log.Debug("recurseMap: visitMatchingEntries")
log.Debug("recurseMap: visitMatchingEntries for %v", contents[indexInMap].Value)
n.navigationStrategy.DebugVisitedNodes()
newPathStack := append(pathStack, contents[indexInMap].Value)
log.Debug("appended %v", contents[indexInMap].Value)
n.navigationStrategy.DebugVisitedNodes()
log.Debug("should I traverse? head: %v, path: %v", head, pathStackToString(newPathStack))
DebugNode(value)