Added non functional install command.

installation_instruction/__main__.py

@@ -14,6 +14,7 @@
 
 from sys import exit
 from os.path import isfile
+from subprocess import run
 
 import click
 
@@ -50,8 +51,20 @@ def get_command(self, ctx, config_file: str) -> click.Command|None:
 
         def callback(**kwargs):
             inst = instruction.validate_and_render(kwargs)
-            click.echo(_make_pretty_print_line_breaks(inst[0]))
-            exit(0 if not inst[1] else 1)
+            if inst[1]:
+                click.echo("Error: " + inst[1])
+                exit(1)
+            if ctx.obj["MODE"] == "show":
+                if ctx.obj["RAW"]:
+                    click.echo(inst[0])
+                else:
+                    click.echo(_make_pretty_print_line_breaks(inst[0]))
+            elif ctx.obj["MODE"] == "install":
+                click.echo("Installation not implemented yet.")
+
+
+            exit(0)
+
 
         return click.Command(
             name=config_file,
@@ -61,14 +74,24 @@ def callback(**kwargs):
 
 
 @click.command(cls=ConfigReadCommand, help="Shows installation instructions for your specified config file and parameters.")
-def show():
-    pass
+@click.option("--raw", is_flag=True, help="Show installation instructions without pretty print.", default=False)
+@click.pass_context
+def show(ctx, raw):
+    ctx.obj['MODE'] = "show"
+    ctx.obj['RAW'] = raw
+
+@click.command(cls=ConfigReadCommand, help="Installs with config and parameters given.")
+@click.pass_context
+def install(ctx):
+    ctx.obj['MODE'] = "install"
 
 @click.group()
-def main():
-    pass
+@click.pass_context
+def main(ctx):
+    ctx.ensure_object(dict)
 
 main.add_command(show)
+main.add_command(install)
 
 if __name__ == "__main__":
     main()

installation_instruction/helpers.py

@@ -17,6 +17,14 @@
 
 
 def _make_pretty_print_line_breaks(string: str) -> str:
+    """
+    Replaces `&& ` with a newline character.
+
+    :param string: String to be processed.
+    :type string: str
+    :return: String with `&& ` replaced with newline character.
+    :rtype: str
+    """
     return re.sub(r"\s?&&\s?", "\n", string, 0, re.S)
 
 def _get_error_message_from_string(string: str) -> str | None: