dynamips 0 -> 1 attrpath: dynamips Checking auto update branch... [version] [version] skipping because derivation has updateScript [rustCrateVersion] [rustCrateVersion] No cargoSha256 or cargoHash found [golangModuleVersion] [golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash [npmDepsVersion] [npmDepsVersion] No npmDepsHash [updateScript] [updateScript] Success [updateScript] this derivation will be built: /nix/store/y3q3s6dg47w2a5fyvng1r7nrhdqdd067-packages.json.drv building '/nix/store/y3q3s6dg47w2a5fyvng1r7nrhdqdd067-packages.json.drv'... Going to be running update for following packages: - dynamips-0.2.23 Press Enter key to continue... Running update for: - dynamips-0.2.23: UPDATING ... - dynamips-0.2.23: DONE. Packages updated! [quotedUrls] [quotedUrls] nothing found to replace The diff was empty after rewrites.