Parser: add property sorting

README.md

@@ -101,7 +101,7 @@ ohaton:
     Hostname: ohaton.cs.ualberta.ca
 
 coronation:
-  # Using __uni_template here would make more sense outside an example
+  # Using __uni_template here would make more sense, but ohaton works too
   template: ohaton
   ssh_props:
     Hostname: coronation.cs.ualberta.ca
@@ -111,17 +111,17 @@ Will generate:
 
 ```sshconfig
 Host ohaton:
-    ForwardX11 no
+    ForwardX11 false
     Hostname ohaton.cs.ualberta.ca
-    IdentitiesOnly yes
+    IdentitiesOnly true
     IdentityFile ~/.ssh/id_ed25519
     Port 22
     User emiliko
 
 Host coronation:
-    ForwardX11 no
+    ForwardX11 false
     Hostname coronation.cs.ualberta.ca
-    IdentitiesOnly yes
+    IdentitiesOnly true
     IdentityFile ~/.ssh/id_ed25519
     Port: 22
     User emiliko
@@ -130,7 +130,7 @@ Host coronation:
 As a note, properties inherited from templates will be overwritten entirely,
 even if they're multi-valued. For example:
 
-```
+```yaml
 __uni:
   ssh_props:
    LocalForward:
@@ -163,7 +163,7 @@ different for loops can be declared under the `for` section.
 orca:
   ssh_props:
     Hostname: 10.42.43.1
-    User emiliko
+    User: emiliko
   for:
     - variable: port
       range:

src/main.py

@@ -107,7 +107,9 @@ def parse_props(host, props, hosts):
     template = props.get("template")
 
     if template and template not in hosts:
-        raise SyntaxError(f"Template `{template}` required by `{host}` is not declared above `{host}` in the yaml")
+        raise SyntaxError(
+            f"Template `{template}` required by `{host}` is not declared above `{host}` in the yaml"
+        )
     elif template:
         for k, v in hosts[props.get("template")].items():
             if k not in parsed:
@@ -120,7 +122,7 @@ def remove_templates(expanded):
     hosts = dict(expanded)
 
     for host, props in data.items():
-        if host.startswith('__'):
+        if host.startswith("__"):
             del hosts[host]
 
     return hosts
@@ -160,14 +162,17 @@ def to_ssh_config_string(parse):
     s = str()
 
     for host, keys in parse.items():
-        s += f"Host {host}\n"
+        lines = list()
+
         for key, values in keys.items():
             for value in values:
                 if isinstance(value, bool):
-                    s += f"\t{key} {'true' if value else 'no'}\n"
+                    lines.append(f"\t{key} {'true' if value else 'false'}")
                 else:
-                    s += f"\t{key} {value}\n"
-        s += "\n"
+                    lines.append(f"\t{key} {value}")
+
+        # join the sorted lines on a new line character
+        s += f"Host {host}\n" + "\n".join(sorted(lines)) + "\n\n"
 
     return s
 
@@ -183,7 +188,7 @@ parse = parse_yaml(data)
 if args.json:
     print(json.dumps(parse))
 elif args.out:
-    with open(args.out, 'w') as f:
+    with open(args.out, "w") as f:
         f.write(to_ssh_config_string(parse))
 else:
     print(to_ssh_config_string(parse), end="")