Add attended script for multi-branch UBI bump PRs

hack/go-mod-upgrade-prs.sh

@@ -0,0 +1,231 @@
+#!/usr/bin/env bash
+# Copyright The Conforma Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+#
+# Create go module upgrade PRs for all active release branches.
+#
+# Usage:
+#   hack/go-mod-upgrade-prs.sh github.com/sigstore/fulcio
+#   hack/go-mod-upgrade-prs.sh github.com/sigstore/fulcio main
+#   hack/go-mod-upgrade-prs.sh github.com/sigstore/fulcio release-v0.8 main
+#   hack/go-mod-upgrade-prs.sh github.com/sigstore/fulcio --jira EC-1234
+#   hack/go-mod-upgrade-prs.sh github.com/sigstore/fulcio --ignore-tidy-error
+#
+# The script is attended — it pauses for confirmation before creating each PR.
+#
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# --- Parse arguments ----------------------------------------------------------
+
+JIRA=""
+HELPER_ARGS=()
+POSITIONAL=()
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --jira)
+      if [[ $# -lt 2 ]]; then
+        echo "Error: --jira requires a value, e.g. --jira EC-1234"
+        exit 1
+      fi
+      JIRA="$2"
+      shift 2
+      ;;
+    --ignore-tidy-error)
+      HELPER_ARGS+=("--ignore-tidy-error")
+      shift
+      ;;
+    *)
+      POSITIONAL+=("$1")
+      shift
+      ;;
+  esac
+done
+
+if [[ ${#POSITIONAL[@]} -lt 1 ]]; then
+  echo "Usage: $0 <go-module-path> [branch ...]"
+  echo "  e.g. $0 github.com/sigstore/fulcio"
+  echo "  e.g. $0 github.com/sigstore/fulcio --jira EC-1234 main"
+  exit 1
+fi
+
+PKG="${POSITIONAL[0]}"
+PKG_SHORT="${PKG##*/}"
+
+if [[ ${#POSITIONAL[@]} -gt 1 ]]; then
+  BRANCHES=("${POSITIONAL[@]:1}")
+else
+  BRANCHES=(release-v0.7 release-v0.8 main)
+fi
+
+# --- Configuration -----------------------------------------------------------
+
+UPSTREAM_REMOTE=upstream
+PUSH_REMOTE=origin
+
+# --- Prerequisites ------------------------------------------------------------
+
+for cmd in go gh; do
+  if ! command -v "$cmd" &>/dev/null; then
+    echo "Error: $cmd is required but not found."
+    exit 1
+  fi
+done
+
+if ! git diff --quiet || ! git diff --cached --quiet; then
+  echo "Error: working tree has uncommitted changes. Commit or stash first."
+  exit 1
+fi
+
+# --- Setup --------------------------------------------------------------------
+
+ORIGINAL_BRANCH=$(git rev-parse --abbrev-ref HEAD)
+cleanup() { git checkout "$ORIGINAL_BRANCH" 2>/dev/null || true; }
+trap cleanup EXIT
+
+echo "=== Fetching $UPSTREAM_REMOTE ==="
+git fetch "$UPSTREAM_REMOTE"
+echo
+
+CREATED_PRS=()
+
+# --- Per-branch loop ----------------------------------------------------------
+
+for BRANCH in "${BRANCHES[@]}"; do
+  echo "============================================"
+  echo "  $BRANCH — $PKG"
+  echo "============================================"
+
+  # Check if the module is used on this branch
+  if ! git show "$UPSTREAM_REMOTE/$BRANCH:go.mod" 2>/dev/null | grep -qF "$PKG"; then
+    echo "$PKG not found in go.mod on $BRANCH, skipping."
+    echo
+    continue
+  fi
+
+  # Extract old version
+  OLD_VERSION=$(git show "$UPSTREAM_REMOTE/$BRANCH:go.mod" \
+    | sed -nE "s|.*${PKG} (v[^ ]+).*|\1|p" | head -1)
+  echo "Current version: ${OLD_VERSION:-unknown}"
+
+  # Checkout working branch
+  WORK_BRANCH="go-mod-upgrade-${PKG_SHORT}-${BRANCH}"
+  git checkout -B "$WORK_BRANCH" "$UPSTREAM_REMOTE/$BRANCH" --no-track
+  echo
+
+  # Run the upgrade helper (it creates its own commit)
+  HELPER_CMD_ARGS=("$PKG")
+  [[ -n "$JIRA" ]] && HELPER_CMD_ARGS+=("$JIRA")
+  HELPER_CMD_ARGS+=("${HELPER_ARGS[@]}")
+
+  HEAD_BEFORE=$(git rev-parse HEAD)
+  if ! hack/go-mod-upgrade-helper.sh "${HELPER_CMD_ARGS[@]}"; then
+    echo "go-mod-upgrade-helper.sh failed for $BRANCH, skipping."
+    git reset --hard "$UPSTREAM_REMOTE/$BRANCH"
+    echo
+    continue
+  fi
+  HEAD_AFTER=$(git rev-parse HEAD)
+
+  if [[ "$HEAD_BEFORE" == "$HEAD_AFTER" ]]; then
+    echo "No changes produced for $BRANCH, skipping."
+    echo
+    continue
+  fi
+
+  # Extract new version
+  NEW_VERSION=$(sed -nE "s|.*${PKG} (v[^ ]+).*|\1|p" go.mod | head -1)
+  echo
+  echo "Old version: ${OLD_VERSION:-unknown}"
+  echo "New version: ${NEW_VERSION:-unknown}"
+  echo
+  echo "Changes:"
+  git log -1 --stat
+  echo
+
+  # --- Prompt ---------------------------------------------------------------
+
+  read -rp ">>> Create PR for $BRANCH? [y/N] " answer
+  echo
+  case "$answer" in
+    [yY]) ;;
+    *)
+      echo "Skipping $BRANCH."
+      echo
+      continue
+      ;;
+  esac
+
+  # --- Push -----------------------------------------------------------------
+
+  if ! git push -u "$PUSH_REMOTE" "$WORK_BRANCH" 2>&1; then
+    echo
+    echo "Push failed — remote branch may already exist."
+    git fetch "$PUSH_REMOTE" "$WORK_BRANCH"
+    read -rp ">>> Retry with --force-with-lease? [y/N] " force_answer
+    case "$force_answer" in
+    [yY])
+      git push --force-with-lease -u "$PUSH_REMOTE" "$WORK_BRANCH"
+      ;;
+    *)
+      echo "Skipping PR for $BRANCH."
+      echo
+      continue
+      ;;
+    esac
+  fi
+
+  # --- Create PR ------------------------------------------------------------
+
+  PR_TITLE="chore(deps): Update ${PKG} (${BRANCH#release-})"
+  PR_BODY="Update \`$PKG\` module dependency.
+
+Old version: \`${OLD_VERSION:-unknown}\`
+New version: \`${NEW_VERSION:-unknown}\`"
+
+  if [[ -n "$JIRA" ]]; then
+    PR_BODY="$PR_BODY
+
+Ref: https://redhat.atlassian.net/browse/$JIRA"
+  fi
+
+  PR_URL=$(gh pr create \
+    --base "$BRANCH" \
+    --title "$PR_TITLE" \
+    --body "$PR_BODY")
+
+  CREATED_PRS+=("$BRANCH: $PR_URL")
+  echo "Created: $PR_URL"
+  echo
+done
+
+# --- Summary ------------------------------------------------------------------
+
+echo
+echo "============================================"
+echo "  Summary"
+echo "============================================"
+if [[ ${#CREATED_PRS[@]} -gt 0 ]]; then
+  for pr in "${CREATED_PRS[@]}"; do
+    echo "  $pr"
+  done
+else
+  echo "  No PRs created."
+fi
+echo