Fix package manager detection (#1552)

Co-authored-by: skuba <34733141+seek-oss-ci@users.noreply.github.com>

.changeset/slow-moose-smoke.md

@@ -0,0 +1,5 @@
+---
+'skuba': minor
+---
+
+lint: Add coverage to .prettierignore

.changeset/ten-pets-hug.md

@@ -0,0 +1,8 @@
+---
+'skuba': minor
+---
+
+lint: Swap out `detect-package-manager` for manual lockfile detection
+
+`detect-package-manager` has been removed, in lieu of using `find-up` to detect the closest
+`pnpm-lock.yaml` or `yarn.lock` to infer the package manager.

.gitignore

@@ -27,3 +27,6 @@ yarn-error.log
 /template/**/pnpm-lock.yaml
 /template/**/yarn.lock
 /packages/**/*/lib*
+
+# otherwise changesets break:
+/packages/**/.npmrc

.prettierignore

@@ -5,6 +5,7 @@
 gantry*.yaml
 gantry*.yml
 pnpm-lock.yaml
+coverage
 # end managed by skuba
 
 /integration/base/

package.json

@@ -77,7 +77,6 @@
     "@types/node": ">=18.12",
     "chalk": "^4.1.0",
     "concurrently": "^8.0.0",
-    "detect-package-manager": "^3.0.1",
     "dotenv": "^16.0.0",
     "ejs": "^3.1.6",
     "enquirer": "^2.3.6",
@@ -86,6 +85,7 @@
     "eslint-config-skuba": "workspace:*",
     "execa": "^5.0.0",
     "fast-glob": "^3.3.2",
+    "find-up": "^5.0.0",
     "fs-extra": "^11.0.0",
     "function-arguments": "^1.0.9",
     "get-port": "^5.1.1",

packages/eslint-config-skuba/.prettierignore

@@ -5,4 +5,5 @@
 gantry*.yaml
 gantry*.yml
 pnpm-lock.yaml
+coverage
 # end managed by skuba

packages/skuba-dive/.dockerignore

@@ -15,9 +15,3 @@ node_modules*/
 npm-debug.log
 yarn-error.log
 # end managed by skuba
-
-# Ignore .npmrc. This is no longer managed by skuba as pnpm projects use a managed .npmrc.
-# IMPORTANT: if migrating to pnpm, remove this line and add an .npmrc IN THE SAME COMMIT.
-# You can use `skuba format` to generate the file or otherwise commit an empty file.
-# Doing so will conflict with a local .npmrc and make it more difficult to unintentionally commit auth secrets.
-.npmrc

packages/skuba-dive/.gitignore

@@ -21,9 +21,3 @@ npm-debug.log
 package-lock.json
 yarn-error.log
 # end managed by skuba
-
-# Ignore .npmrc. This is no longer managed by skuba as pnpm projects use a managed .npmrc.
-# IMPORTANT: if migrating to pnpm, remove this line and add an .npmrc IN THE SAME COMMIT.
-# You can use `skuba format` to generate the file or otherwise commit an empty file.
-# Doing so will conflict with a local .npmrc and make it more difficult to unintentionally commit auth secrets.
-.npmrc

packages/skuba-dive/.prettierignore

@@ -5,4 +5,5 @@
 gantry*.yaml
 gantry*.yml
 pnpm-lock.yaml
+coverage
 # end managed by skuba