grim/convey

Add more docs.
auto-split
2017-09-21, Eric Fritz
bd7a742de64a
Parents 98eb1323e154
Children 093477a2c281
Add more docs.
1 files changed, 5 insertions(+), 0 deletions(-)
  • +5 -0
    state/state.go
    • --- a/state/state.go Thu Sep 21 19:25:24 2017 -0500
    +++ b/state/state.go Thu Sep 21 19:28:42 2017 -0500
    @@ -69,12 +69,15 @@
    // see if the variable could be expanded into a list.
    func (st *State) MapSlice(env, fullEnv []string) ([]string, error) {
    if len(env) == 1 {
    + // If we only have one thing and it looks like $VAR or ${VAR}, then
    + // see if we have it in the list of things we can expand on the stack.
    if delimiter, ok := st.getDelimiter(getName(env[0])); ok {
    mapped, err := environment.Mapper(env[0], fullEnv)
    if err != nil {
    return nil, err
    }
    + // Split it!
    return strings.SplitN(mapped, delimiter, -1), nil
    }
    }
    @@ -82,6 +85,8 @@
    return environment.SliceMapper(env, fullEnv)
    }
    +// GetDelimiter returns the highest (outermost extend task) delimiter registered
    +// when a given expandable environment variable. Returns true if found by name.
    func (st *State) getDelimiter(name string) (string, bool) {
    for i := len(st.ExtendFrames) - 1; i >= 0; i-- {
    frame := st.ExtendFrames[i]