compose_yml 0.0.59

Parse, manipulate and serialize docker-compose.yml in a strongly-typed fashion
Documentation 
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use super::common::*;

/// A command line to be executed by Docker.
#[derive(Debug, Deserialize, Clone, Eq, PartialEq, Serialize)]
#[serde(untagged)]
pub enum CommandLine {
    /// A command-line specified as unparsed shell code.
    ShellCode(RawOr<String>),

    /// A pre-parsed command-line.  This may actually be empty for fields
    /// like `command`, so we don't try to enforce a minimal length, even
    /// if other fields like `entrypoint` supposedly want at least one
    /// entry.
    Parsed(Vec<RawOr<String>>),
}

impl MergeOverride for CommandLine {}
impl InterpolateAll for CommandLine {}

#[test]
fn command_line_may_be_shell_code() {
    let yaml = r#"---
ls $DIR
"#;
    assert_roundtrip!(CommandLine, yaml);
}

#[test]
fn command_line_may_be_parsed() {
    let yaml = r#"---
- ls
- /
"#;
    assert_roundtrip!(CommandLine, yaml);
}