add descriptive output when creating templates

this includes a `welcomeText` attribute which can be set in the
template, as well as outputing which files were created.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/nix/flake.cc b/src/nix/flake.cc
index 4bc79820c..f5d34c10f 100644
--- a/src/nix/flake.cc
+++ b/src/nix/flake.cc
@@ -728,6 +728,7 @@ struct CmdFlakeInitCommon : virtual Args, EvalCommand
                 else
                     throw Error("file '%s' has unsupported type", from2);
                 files.push_back(to2);
+                notice("wrote: %s", to2);
             }
         };
 
@@ -738,6 +739,11 @@ struct CmdFlakeInitCommon : virtual Args, EvalCommand
             for (auto & s : files) args.push_back(s);
             runProgram("git", true, args);
         }
+        auto welcomeText = cursor->maybeGetAttr("welcomeText");
+        if (welcomeText) {
+            notice("\n----------\n");
+            notice(welcomeText->getString());
+        }
     }
 };