chore: add image publish and mirror sync scripts

2026-05-26 22:30:10 +03:00
parent 53f1cec401
commit c3381bdd31
7 changed files with 394 additions and 19 deletions
@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+PRIMARY_REMOTE="${PRIMARY_REMOTE:-origin}"
+MIRROR_REMOTE="${MIRROR_REMOTE:-gitlab}"
+SYNC_BRANCHES="${SYNC_BRANCHES:-}"
+SYNC_TAGS="${SYNC_TAGS:-true}"
+FORCE="${FORCE:-false}"
+PRUNE="${PRUNE:-false}"
+DRY_RUN="${DRY_RUN:-false}"
+
+usage() {
+  cat <<'EOF'
+Usage: scripts/sync-gitlab-mirror.sh [--force] [--prune] [--no-tags] [--dry-run]
+
+Mirrors branches and tags from the primary GitHub remote to the GitLab backup remote.
+
+Environment:
+  PRIMARY_REMOTE  Primary remote name. Default: origin
+  MIRROR_REMOTE   Mirror remote name. Default: gitlab
+  SYNC_BRANCHES   Space/comma separated branch list. Default: all PRIMARY_REMOTE branches
+  SYNC_TAGS       Push tags too. Default: true
+  FORCE           Use --force-with-lease for branches. Default: false
+  PRUNE           Delete GitLab branches missing on GitHub. Default: false
+  DRY_RUN         Print git commands without running them. Default: false
+EOF
+}
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --force) FORCE="true" ;;
+    --prune) PRUNE="true" ;;
+    --no-tags) SYNC_TAGS="false" ;;
+    --dry-run) DRY_RUN="true" ;;
+    -h|--help) usage; exit 0 ;;
+    *) echo "Unknown argument: $1" >&2; usage; exit 2 ;;
+  esac
+  shift
+done
+
+run_git() {
+  if [[ "$DRY_RUN" == "true" ]]; then
+    printf 'git'
+    printf ' %q' "$@"
+    printf '\n'
+    return
+  fi
+
+  git "$@"
+}
+
+normalize_list() {
+  local value="$1"
+  value="${value//,/ }"
+  value="${value//;/ }"
+  echo "$value"
+}
+
+run_git fetch "$PRIMARY_REMOTE" --prune --tags
+
+if [[ "$FORCE" == "true" ]]; then
+  run_git fetch "$MIRROR_REMOTE" --prune
+fi
+
+if [[ -n "$SYNC_BRANCHES" ]]; then
+  read -r -a branches <<< "$(normalize_list "$SYNC_BRANCHES")"
+else
+  branches=()
+  while IFS= read -r branch; do
+    [[ "$branch" != "HEAD" ]] || continue
+    branches+=("$branch")
+  done < <(git for-each-ref --format='%(refname:strip=3)' "refs/remotes/$PRIMARY_REMOTE")
+fi
+
+for branch in "${branches[@]}"; do
+  [[ -n "$branch" ]] || continue
+  src="refs/remotes/$PRIMARY_REMOTE/$branch"
+  dst="refs/heads/$branch"
+  args=("push" "$MIRROR_REMOTE")
+  if [[ "$FORCE" == "true" ]]; then
+    args+=("--force-with-lease=$dst")
+  fi
+  args+=("$src:$dst")
+  run_git "${args[@]}"
+done
+
+if [[ "$SYNC_TAGS" == "true" ]]; then
+  run_git push "$MIRROR_REMOTE" --tags
+fi
+
+if [[ "$PRUNE" == "true" ]]; then
+  primary_branches="$(printf '%s\n' "${branches[@]}")"
+  while read -r mirror_branch; do
+    [[ -n "$mirror_branch" ]] || continue
+    if ! grep -Fxq "$mirror_branch" <<< "$primary_branches"; then
+      run_git push "$MIRROR_REMOTE" ":refs/heads/$mirror_branch"
+    fi
+  done < <(git ls-remote --heads "$MIRROR_REMOTE" | sed 's#.*refs/heads/##')
+fi