Only update permissions on copied files.

specs/clang/runner

@@ -42,7 +42,7 @@ trap cleanup EXIT
 # Copy template contents over to the intermediate build directory.
 cp -r template/* "$BUILD"
 
-# Explicitly set permissions on all the new files.
+# Explicitly set permissions on all copied files.
 find "$BUILD" -type f -execdir chmod 644 {} +
 find "$BUILD" -type d -execdir chmod 755 {} +
 chmod 755 "$BUILD"/.githooks/pre-commit

specs/mix/runner

@@ -42,25 +42,27 @@ trap cleanup EXIT
 # Copy template contents over to the intermediate build directory.
 cp -r template/* "$BUILD"
 
+# Explicitly set permissions on all copied files.
+find "$BUILD" -type f -execdir chmod 644 {} +
+find "$BUILD" -type d -execdir chmod 755 {} +
+
 # Generate a new project with the specified name using `mix`. Generate in a
-# subdirectory to avoid interaction and potential overwriting of files.
+# subdirectory to avoid interactive conflict resolution.
 nix develop "$BUILD" --command bash -c "mix new $BUILD/project --app '$APP'"
 
-# Copy the generated files into the intermediate build directory. Also overwrite
+# Copy the generated files into the intermediate build directory.
-# the generated README in favor of that defined in our template.
 mv -f "$BUILD"/project/* "$BUILD"
 rmdir "$BUILD"/project
+
+# Overwrite the generated README in favor of that defined in our template.
 cp template/README.md "$BUILD"
+chmod 644 "$BUILD"/README.md
 
 # Replace the template name found in the flake.nix file. The mix generator would
 # fail if $APP did not consist of just lowercase ASCII letters, numbers, or
 # underscores. Thus $APP is safe to interpolate into the following command.
 sed -i "s/<APP_NAME>/$APP/g" "$BUILD/flake.nix"
 
-# Explicitly set permissions on all the new files.
-find "$BUILD" -type f -execdir chmod 644 {} +
-find "$BUILD" -type d -execdir chmod 755 {} +
-
 # ============================================================
 # EPILOGUE
 # ============================================================

specs/poetry/runner

@@ -42,7 +42,7 @@ trap cleanup EXIT
 # Copy template contents over to the intermediate build directory.
 cp -r template/* "$BUILD"
 
-# Explicitly set permissions on all the new files.
+# Explicitly set permissions on all copied files.
 find "$BUILD" -type f -execdir chmod 644 {} +
 find "$BUILD" -type d -execdir chmod 755 {} +
 chmod 755 "$BUILD"/.githooks/pre-commit

specs/postgres/runner

@@ -42,7 +42,7 @@ trap cleanup EXIT
 # Copy template contents over to the intermediate build directory.
 cp -r template/* "$BUILD"
 
-# Explicitly set permissions on all the new files.
+# Explicitly set permissions on all copied files.
 find "$BUILD" -type f -execdir chmod 644 {} +
 
 # ============================================================