Merge branch 'release/0.3.0'

.env.example

@@ -1,5 +0,0 @@
-HELLO=string
-TAYLOR=string
-AGE=int
-SCORE=float
-ACTIVE=bool

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "envy"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/io_manager.rs

@@ -36,7 +36,7 @@ fn read_dot_env(path: &str) -> Result<IndexMap<String, String>, Error> {
             continue;
         }
         let mut split = line.split('=');
-        let key = split.next().unwrap();
+        let key = split.next().unwrap().trim();
         let val = split.next().unwrap();
         env.insert(key.to_string(), clean_text(val));
     }
@@ -86,10 +86,15 @@ fn remove_comments(text: &str) -> String {
     text
 }
 
-pub fn generate_dot_env_file(path: &str) -> Result<(), Error> {
+pub fn generate_dot_env_file(dry_run: bool, path: &str) -> Result<(), Error> {
     let env = read_dot_env(path)?;
-    let env_string = generate_dot_env_string(env);
+    let mut env_string = generate_dot_env_string(env);
+    env_string.push_str("\n");
     let mut file = File::create(".env.example")?;
+    if dry_run {
+        println!("{}", env_string.strip_suffix("\n").unwrap());
+        return Ok(());
+    }
     file.write_all(env_string.as_bytes())?;
     Ok(())
 }
@@ -141,7 +146,7 @@ mod tests {
 
     #[test]
     fn test_generate_dot_env_file() {
-        generate_dot_env_file("test.env").unwrap();
+        generate_dot_env_file(false, "test.env").unwrap();
         let mut file = File::open(".env.example").unwrap();
         let mut contents = String::new();
         file.read_to_string(&mut contents).unwrap();

src/main.rs

@@ -6,12 +6,15 @@ use io_manager::generate_dot_env_file;
 
 fn generate(val: &clap::ArgMatches) {
     let path = val.get_one::<String>("path").unwrap();
-    generate_dot_env_file(path).unwrap();
-    println!(
-        "{} {}",
-        "✨  Successfully generated".green(),
-        ".env.example".bold()
-    );
+    let dry_run: bool = val.get_flag("dry-run");
+    generate_dot_env_file(dry_run, &path).unwrap();
+    if !dry_run {
+        println!(
+            "{} {}",
+            "✨  Successfully generated".green(),
+            ".env.example".bold()
+        );
+    }
 }
 
 fn main() {
@@ -23,6 +26,11 @@ fn main() {
                 .help("Path to the .env file to generate")
                 .required(true)
                 .action(ArgAction::Set),
+        )
+        .arg(
+            clap::Arg::new("dry-run")
+                .long("dry-run")
+                .action(ArgAction::SetTrue),
         );
     cmd = cmd.subcommand(sub_generate);
     let matches = cmd.get_matches();

test.env

@@ -2,8 +2,8 @@
 HELLO=ADELE
 TAYLOR="SWIFT"
 AGE=25
-SCORE=99.9 # Comment
+ SCORE=99.9 # Comment
 # Some Comment
-ACTIVE=true
+ACTIVE =true
 
 #