Add script module

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

2 files changed, 67 insertions, 0 deletions

diff --git a/src/package/mod.rs b/src/package/mod.rs
index 1d91205..2f4f58b 100644
--- a/src/package/mod.rs
+++ b/src/package/mod.rs
@@ -9,6 +9,9 @@ pub use name::*;
 mod package;
 pub use package::*;
 
+mod script;
+pub use script::*;
+
 mod source;
 pub use source::*;
 
diff --git a/src/package/script.rs b/src/package/script.rs
new file mode 100644
index 0000000..2a3074f
--- /dev/null
+++ b/src/package/script.rs
@@ -0,0 +1,64 @@
+use anyhow::Result;
+
+use crate::phase::Phase;
+use crate::phase::PhaseName;
+use crate::package::Package;
+
+#[derive(Debug)]
+pub struct Script(String);
+
+pub struct ScriptBuilder {
+    shebang : String,
+}
+
+impl ScriptBuilder {
+    // TODO: Use handlebars and templating instead of hardcoding
+    pub fn new(shebang: String) -> Self {
+        ScriptBuilder {
+            shebang,
+        }
+    }
+
+    pub fn build(self, package: &Package, phaseorder: &[&PhaseName]) -> Result<Script> {
+        let mut script = format!("{shebang}\n", shebang = self.shebang);
+
+        for name in phaseorder {
+            match package.phases().get(name) {
+                Some(Phase::Text(text)) => {
+                    script.push_str(&format!(r#"
+                        ### phase {name}
+                        {text}
+                        ### / phase
+                    "#,
+                    name = name.as_str(),
+                    text = text,
+                    ));
+
+                    script.push_str("\n");
+                },
+
+                // TODO: Support path embedding
+                // (requires possibility to have stuff in Script type that gets copied to
+                // container)
+                Some(Phase::Path(pb)) => {
+                    script.push_str(&format!(r#"
+                        # Phase (from file {path}): {name}
+                        # NOT SUPPORTED YET
+                        exit 1
+                    "#,
+                    path = pb.display(),
+                    name = name.as_str()));
+
+                    script.push_str("\n");
+                },
+
+                None => {
+                    script.push_str(&format!("# No script for phase: {name}", name = name.as_str()));
+                    script.push_str("\n");
+                },
+            }
+        }
+
+        Ok(Script(script))
+    }
+}