diff --git a/install.py b/install.py
index 1cac315..d1256a5 100755
--- a/install.py
+++ b/install.py
@@ -27,6 +27,23 @@ class Installer:
         self.force = force
         self.update = update
 
+    def evaluate_condition(self, condition: str) -> bool:
+        """Run a bash command. On success return True, else return False."""
+
+        conditions = {
+            "force": self.force,
+            "no force": not self.force,
+            "update": self.update,
+            "no update": not self.update,
+        }
+
+        if condition in conditions.keys():
+            return conditions[condition]
+
+        command = subprocess.run(condition, check=False, shell=True)
+
+        return command.returncode == 0
+
     def pretty_path(self, path: Path) -> str:
         """Put the ~/ back in the path."""
 
@@ -92,7 +109,8 @@ class Installer:
     def do_run(self, command: str, condition: str = 'true') -> None:
         """Run a command."""
 
-        if not evaluate_condition(condition):
+        if not self.evaluate_condition(condition):
+            ui.info_2("Skipping", "`{}`".format(command))
             return
 
         ui.info_2("Running", "`{}`".format(command))
@@ -136,22 +154,6 @@ class Installer:
 
         src_full.symlink(p_dest)
 
-    def do_run_update(self, command: str) -> None:
-        """Run a command only if self.update is True."""
-
-        if self.update:
-            self.do_run(command)
-        else:
-            ui.info_2("Skipping", "`{}`".format(command))
-
-    def do_run_no_update(self, command: str) -> None:
-        """Run a command only if self.update is False."""
-
-        if not self.update:
-            self.do_run(command)
-        else:
-            ui.info_2("Skipping", "`{}`".format(command))
-
     def do_append(self, dest: str, content: str) -> None:
         """Append to a file."""
 
@@ -210,11 +212,6 @@ class Installer:
         ui.info()
 
 
-def evaluate_condition(command: str) -> bool:
-    """Run a bash command. On success return True, else return False."""
-
-    return subprocess.run(command, check=False, shell=True).returncode == 0
-
 
 def main() -> None:
     """Parse args and instantiate the Installer."""