get the actual phases when building a package in nix-shell

[milahu]

for example, where can i see that the build would use cmakeConfigurePhase

related

• https://github.com/NixOS/nixpkgs/blob/master/doc/stdenv/stdenv.chapter.md#building-a-stdenv-package-in-nix-shell-sec-building-stdenv-package-in-nix-shell
  • https://github.com/NixOS/nixpkgs/pull/216650
• https://nixos.wiki/wiki/Nixpkgs/Create_and_debug_packages#Using_nix-shell_for_package_development
  • typeset -f genericBuild | grep 'phases=' does not list all phases. cmakeConfigurePhase is missing in phases="${prePhases[*]:-} unpackPhase patchPhase ${preConfigurePhases[*]:-} configurePhase ${preBuildPhases[*]:-} buildPhase checkPhase ${preInstallPhases[*]:-} installPhase ${preFixupPhases[*]:-} fixupPhase installCheckPhase ${preDistPhases[*]:-} distPhase ${postPhases[*]:-}"; ... and cmakeConfigurePhase is not in echo ${preConfigurePhases[*]:-} ${preBuildPhases[*]:-}
• https://nixos.wiki/wiki/Development_environment_with_nix-shell#stdenv.mkDerivation

https://github.com/NixOS/nixpkgs/pull/216650#discussion_r1109993391

``` eval ${unpackPhase:-unpackPhase} cd $sourceRoot eval ${patchPhase:-patchPhase} eval ${configurePhase:-configurePhase} ``` this fails for `cmake` builds where we need `cmakeConfigurePhase` ideally this should be generic, ie something like `for phase in $phases; do eval $phase; done`