mirror of
https://github.com/wolfydw/backup_OBS.git
synced 2026-05-08 06:37:02 +08:00
Codex
92 lines
2.2 KiB
Bash
Executable File
92 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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SCRIPT_PATH="${BASH_SOURCE[0]:-$0}"
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SCRIPT_DIR="$(cd "$(dirname -- "$SCRIPT_PATH")" && pwd -P)"
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cd "$SCRIPT_DIR"
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CONF_FILE="${SCRIPT_DIR}/env.conf"
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if [[ -f "$CONF_FILE" ]]; then
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# shellcheck disable=SC1090
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source "$CONF_FILE"
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fi
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usage() {
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cat <<'USAGE'
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用法：
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./update.sh [branch-or-tag]
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说明：
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- 不带参数时，默认更新 stable 分支
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- 带参数时，可以切换到指定分支或 tag
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- 默认从 origin 更新；如果失败且配置了 GIT_REMOTE_FALLBACK，则自动回退到备用仓库
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USAGE
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}
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if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
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usage
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exit 0
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fi
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need_cmd() {
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command -v "$1" >/dev/null 2>&1 || {
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echo "缺少命令：$1" >&2
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exit 2
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}
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}
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need_cmd git
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need_cmd bash
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TARGET_REF="${1:-}"
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UPDATE_SOURCE="origin"
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if [[ -z "$TARGET_REF" ]]; then
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TARGET_REF="stable"
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fi
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fetch_from_origin() {
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git fetch --tags origin
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}
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fetch_from_fallback() {
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[[ -n "${GIT_REMOTE_FALLBACK:-}" ]] || return 1
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git fetch --tags "${GIT_REMOTE_FALLBACK}" \
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"+refs/heads/*:refs/remotes/fallback/*" \
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"+refs/tags/*:refs/tags/*"
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}
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if fetch_from_origin; then
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UPDATE_SOURCE="origin"
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elif fetch_from_fallback; then
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UPDATE_SOURCE="fallback"
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echo "origin 更新失败，已回退到备用仓库：${GIT_REMOTE_FALLBACK}"
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else
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echo "更新失败：origin 不可用，且备用仓库也不可用" >&2
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exit 2
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fi
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if git show-ref --verify --quiet "refs/tags/${TARGET_REF}"; then
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git checkout "${TARGET_REF}"
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else
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if ! git show-ref --verify --quiet "refs/remotes/${UPDATE_SOURCE}/${TARGET_REF}"; then
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echo "未找到目标分支：${TARGET_REF}（来源：${UPDATE_SOURCE}）" >&2
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exit 2
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fi
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if git show-ref --verify --quiet "refs/heads/${TARGET_REF}"; then
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git checkout "${TARGET_REF}"
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git merge --ff-only "refs/remotes/${UPDATE_SOURCE}/${TARGET_REF}"
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else
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git checkout -B "${TARGET_REF}" "refs/remotes/${UPDATE_SOURCE}/${TARGET_REF}"
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fi
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fi
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chmod 755 \
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"${SCRIPT_DIR}/backup.sh" \
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"${SCRIPT_DIR}/clean_backups.sh" \
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"${SCRIPT_DIR}/obsutil" \
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"${SCRIPT_DIR}/lib/obsutil.sh" \
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"${SCRIPT_DIR}/lib/telegram.sh" \
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"${SCRIPT_DIR}/install.sh" \
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"${SCRIPT_DIR}/update.sh"
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