+ version bump

ci/scripts/common/bump_version.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+set -eu
+
+REPO_ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
+cd "${REPO_ROOT}"
+
+VERSION_FILE="./version"
+if [ ! -f "${VERSION_FILE}" ]; then
+  echo "[bump-version] version file not found: ${VERSION_FILE}" >&2
+  exit 1
+fi
+
+CURRENT_VERSION="$(cat "${VERSION_FILE}")"
+NEXT_VERSION="$(printf '%s' "${CURRENT_VERSION}" | awk -F. -v OFS=. '
+  NF==1 { print ++$NF; next }
+  {
+    $NF=sprintf("%0*d", length($NF), ($NF+1))
+    print
+  }')"
+
+printf '%s\n' "${NEXT_VERSION}" > "${VERSION_FILE}"
+echo "[bump-version] ${CURRENT_VERSION} -> ${NEXT_VERSION}"
+
+git add "${VERSION_FILE}"
+if git diff --cached --quiet; then
+  echo "[bump-version] no changes staged, skipping commit"
+  exit 0
+fi
+
+AUTHOR_NAME="${GIT_AUTHOR_NAME:-woodpecker}"
+AUTHOR_EMAIL="${GIT_AUTHOR_EMAIL:-ci@sendico.io}"
+git config user.name "${AUTHOR_NAME}"
+git config user.email "${AUTHOR_EMAIL}"
+
+git commit -m "chore(ci): bump version to ${NEXT_VERSION}"
+
+BRANCH="${WOODPECKER_BRANCH:-}"
+if [ -z "${BRANCH}" ] || [ "${BRANCH}" = "HEAD" ]; then
+  BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+fi
+
+git push origin "HEAD:${BRANCH}"