Add script to aid in reviewing downstream pkl.impl.ghactions bump PRs (#52)

Author: HT154

scripts/approve_downstream_prs.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+# This script will, for each Pkl repo, approve PRs created by ./update_downstream_ci.sh for the given version.
+#
+# Usage: ./approve_downstream_prs.sh
+
+set -eo pipefail
+
+MY_GIT_USER="$(gh api user --jq '.login')"
+
+if [[ -z "$MY_GIT_USER" ]]; then
+  echo "Could not determine the current user in gh. Try running \`gh auth login\`."
+  exit 1
+fi
+
+SCRIPT_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+source "$SCRIPT_DIR/repos.sh"
+
+VERSION=$(
+  curl -s https://api.github.com/repos/apple/pkl-project-commons/releases \
+    | jq -r '[.[] | select(.tag_name | startswith("pkl.impl.ghactions"))] | .[0].name | split("@")[1]'
+)
+
+echo "Latest pkl.impl.ghactions version: $VERSION"
+
+find_pr_and_approve() {
+  repo="$1"
+  pr_number="$(gh pr list --repo "apple/$repo" --json title,number \
+    | jq --arg VERSION $VERSION \
+      '.[]
+      | select(.title == "Bump pkl.impl.ghactions to version \($VERSION)")
+      | .number')"
+
+  if [ -z "$pr_number" ]; then
+    echo "✅ No PR to approve for $repo"
+    return 0
+  fi
+
+  existing_approvals="$(GH_PAGER='' gh pr view --repo "apple/$repo" "$pr_number" --json reviews | \
+    jq --arg MY_GIT_USER $MY_GIT_USER \
+    '.reviews | map(select(.author.login == $MY_GIT_USER and .state == "APPROVED")) | length')"
+  if [ "$existing_approvals" != "0" ]; then
+    echo "✅ https://github.com/apple/$repo/pull/$pr_number already approved"
+    return 0
+  fi
+
+  echo "🔧 Approve https://github.com/apple/$repo/pull/$pr_number? Files changed:"
+  GH_PAGER='' gh pr diff --name-only --repo "apple/$repo" "$pr_number"
+  echo
+  read -p "Press enter to approve or ^C to quit"
+  gh pr review --repo "apple/$repo" "$pr_number" --approve
+  echo ""
+}
+
+for repo in "${REPOS[@]}"; do
+  find_pr_and_approve "$repo"
+done

scripts/repos.sh

@@ -0,0 +1,21 @@
+REPOS=(
+  "pkl"
+  "pkl-go"
+  "pkl-go-examples"
+  "pkl-intellij"
+  "pkl-jvm-examples"
+  "pkl-k8s"
+  "pkl-k8s-examples"
+  "pkl-lang.org"
+  "pkl-lsp"
+  "pkl-neovim"
+  "pkl-package-docs"
+  "pkl-pantry"
+  "pkl-spring"
+  "pkl-swift"
+  "pkl-swift-examples"
+  "pkl-vscode"
+  "pkl.tmbundle"
+  "rules_pkl"
+  "tree-sitter-pkl"
+)

scripts/update_downstream_ci.sh

@@ -16,27 +16,7 @@ fi
 
 SCRIPT_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 
-REPOS=(
-  "pkl"
-  "pkl-go"
-  "pkl-go-examples"
-  "pkl-intellij"
-  "pkl-jvm-examples"
-  "pkl-k8s"
-  "pkl-k8s-examples"
-  "pkl-lang.org"
-  "pkl-lsp"
-  "pkl-neovim"
-  "pkl-package-docs"
-  "pkl-pantry"
-  "pkl-spring"
-  "pkl-swift"
-  "pkl-swift-examples"
-  "pkl-vscode"
-  "pkl.tmbundle"
-  "rules_pkl"
-  "tree-sitter-pkl"
-)
+source "$SCRIPT_DIR/repos.sh"
 
 LATEST_PACKAGE_VERSION=$(
   curl -s https://api.github.com/repos/apple/pkl-project-commons/releases \