Initial Sculpin support

* Add Sculpin as a project type
* Declare initial files to generate
* Add flake.nix.twig
* Add .gitignore.twig
* Add run.twig

templates/php/sculpin/.gitignore.twig

@@ -0,0 +1,12 @@
+# {{ managedText|raw }}
+
+/output_*/
+/vendor/
+
+{% if isFlake %}
+/.direnv/
+{% endif %}
+
+{% for path in git.ignore %}
+{{ path }}
+{% endfor %}

templates/php/sculpin/flake.nix.twig

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+# {{ managedText|raw }}
+
+{
+  inputs = {
+    devshell.url = "github:numtide/devshell";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [ inputs.devshell.flakeModule ];
+
+      systems = [ "x86_64-linux" ];
+
+      perSystem = { config, self', inputs', pkgs, system, ... }: {
+        devshells.default = {
+          packages = with pkgs; [
+{% for package in flake.devshell.packages %}
+            "{{ package }}"
+{% endfor %}
+          ];
+        };
+      };
+    };
+}

templates/php/sculpin/run.twig

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+PATH="${PATH}:./vendor/bin"
+
+# Generate the site.
+function generate {
+  local args=()
+
+  if [[ "${APP_ENV:-}" == "production" ]]; then
+    args=(--env="prod")
+  else
+    args=(--server --watch)
+  fi
+
+  sculpin generate "${args[@]}"
+}
+
+function help {
+  printf "%s <task> [args]\n\nTasks:\n" "${0}"
+
+  compgen -A function | grep -v "^_" | cat -n
+
+  printf "\nExtended help:\n  Each task has comments for general usage\n"
+}
+
+# Start the project.
+function start {
+  sculpin generate --server --watch "${@}"
+}
+
+# Include any local tasks.
+[[ -e run.local ]] && source run.local
+
+TIMEFORMAT="Task completed in %3lR"
+time "${@:-help}"
+
+# vim: ft=bash