From 01df3d5e4aa659455aafdeede0c05a1bed35c872 Mon Sep 17 00:00:00 2001
From: Casey Rodarmor <casey@rodarmor.com>
Date: Fri, 28 Oct 2016 16:32:13 -0700
Subject: [PATCH] Add {:#} format printing to justfile for --show

---
 justfile           |  2 +-
 notes              |  7 +++---
 src/app.rs         |  2 +-
 src/integration.rs | 54 +++++++++++++++++++++++++++++++++-------------
 src/lib.rs         | 27 +++++++++++++++++------
 src/tests.rs       |  2 +-
 6 files changed, 67 insertions(+), 27 deletions(-)

diff --git a/justfile b/justfile
index 4a9e9e0..f23a44f 100644
--- a/justfile
+++ b/justfile
@@ -1,7 +1,7 @@
 test-all: test test-integration
 
 test:
-	cargo test --lib --test integration
+	cargo test --lib
 
 test-integration: build
 	cargo test --test integration
diff --git a/notes b/notes
index fa48b98..86a958b 100644
--- a/notes
+++ b/notes
@@ -2,11 +2,10 @@ notes
 -----
 
 - integration testing
-  . --show should not display variable and expression values
+  . get value of variable --evaluate --variable
+  . --info that prints whole justfile
   . run app with command line options and test full output (stderr and stdout)
   . exercise all features and all command line options
-  . test that a few error messages are correct
-  . test full output
   . underline problem token in error messages
 
 - figure out argument passing:
@@ -61,6 +60,8 @@ notes
 enhancements:
 
 - save result of commands in variables
+- multi line strings
+- raw strings
 - iteration: {{x for x in y}}
 - allow calling recipes in a justfile in a different directory:
   . just ../foo  # ../justfile:foo
diff --git a/src/app.rs b/src/app.rs
index 241aa28..6e621f2 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -108,7 +108,7 @@ pub fn app() {
   if let Some(name) = matches.value_of("show") {
     match justfile.get(name) {
       Some(recipe) => {
-        warn!("{}", recipe);
+        println!("{}", recipe);
         process::exit(0);
       }
       None => die!("justfile contains no recipe \"{}\"", name)
diff --git a/src/integration.rs b/src/integration.rs
index 1376358..16a0aa3 100644
--- a/src/integration.rs
+++ b/src/integration.rs
@@ -120,21 +120,45 @@ c: b";
   );
 }
 
-// #[test]
-// fn show() {
-//   let text = 
-// r#"hello = "foo"
-// recipe:
-//  echo {{hello}}"#;
-//   integration_test(
-//     "show",
-//     &["--show", "recipe"],
-//     text,
-//     0,
-//     "foo\n",
-//     "",
-//   );
-// }
+#[test]
+fn select() {
+  let text = 
+"b:
+  @echo b
+a:
+  @echo a
+d:
+  @echo d
+c:
+  @echo c";
+  integration_test(
+    "select",
+    &["d", "c"],
+    text,
+    0,
+    "d\nc\n",
+    "",
+  );
+}
+
+#[test]
+fn show() {
+  let text = 
+r#"hello = "foo"
+bar = hello + hello
+recipe:
+ echo {{hello + "bar" + bar}}"#;
+  integration_test(
+    "show",
+    &["--show", "recipe"],
+    text,
+    0,
+    r#"recipe:
+    echo {{hello + "bar" + bar}}
+"#,
+    "",
+  );
+}
 
 #[test]
 fn status() {
diff --git a/src/lib.rs b/src/lib.rs
index ab11826..fdce1ee 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -238,10 +238,17 @@ impl<'a> Display for Recipe<'a> {
         if j == 0 {
           try!(write!(f, "    "));
         }
-        match *piece {
-          Fragment::Text{ref text} => try!(write!(f, "{}", text.lexeme)),
-          Fragment::Expression{ref expression, value: None} => try!(write!(f, "{}{} # ? {}", "{{", expression, "}}")),
-          Fragment::Expression{ref expression, value: Some(ref string)} => try!(write!(f, "{}{} # \"{}\"{}", "{{", expression, string, "}}")),
+        if f.alternate() {
+          match *piece {
+            Fragment::Text{ref text} => try!(write!(f, "{}", text.lexeme)),
+            Fragment::Expression{ref expression, value: None} => try!(write!(f, "{}{} # ? {}", "{{", expression, "}}")),
+            Fragment::Expression{ref expression, value: Some(ref string)} => try!(write!(f, "{}{} # \"{}\"{}", "{{", expression, string, "}}")),
+          }
+        } else {
+          match *piece {
+            Fragment::Text{ref text} => try!(write!(f, "{}", text.lexeme)),
+            Fragment::Expression{ref expression, ..} => try!(write!(f, "{}{}{}", "{{", expression, "}}")),
+          }
         }
       }
       if i + 1 < self.lines.len() {
@@ -630,14 +637,22 @@ impl<'a> Display for Justfile<'a> {
   fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
     let mut items = self.recipes.len() + self.assignments.len();
     for (name, expression) in &self.assignments {
-      try!(write!(f, "{} = {} # \"{}\"", name, expression, self.values.get(name).unwrap()));
+      if f.alternate() {
+        try!(write!(f, "{} = {} # \"{}\"", name, expression, self.values.get(name).unwrap()));
+      } else {
+        try!(write!(f, "{} = {}", name, expression));
+      }
       items -= 1;
       if items != 0 {
         try!(write!(f, "\n"));
       }
     }
     for recipe in self.recipes.values() {
-      try!(write!(f, "{}", recipe));
+      if f.alternate() {
+        try!(write!(f, "{:#}", recipe));
+      } else {
+        try!(write!(f, "{}", recipe));
+      }
       items -= 1;
       if items != 0 {
         try!(write!(f, "\n"));
diff --git a/src/tests.rs b/src/tests.rs
index 924b446..d7f9196 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -62,7 +62,7 @@ fn parse_success(text: &str) -> Justfile {
 
 fn parse_summary(input: &str, output: &str) {
   let justfile = parse_success(input);
-  let s = justfile.to_string();
+  let s = format!("{:#}", justfile);
   if s != output {
     println!("got:\n\"{}\"\n", s);
     println!("\texpected:\n\"{}\"", output);