# 使用 Homebrew, apt, dnf, MacPorts, Nix, scoop, zypper, apk, pacman 安装 xdelta 查看 xdelta 的安装路径、可执行文件、元数据以及面向 AI 代理工作流的安全说明。 ## 安装 ```sh sudo av install brew:xdelta ``` 其他安装命令: ### macOS - Homebrew (100%): ```sh brew install xdelta ``` 证据: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install xdelta ``` 证据: MacPorts ports tree: archivers/xdelta/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - Debian apt (92%): ```sh sudo apt install libxdelta2-dev ``` 证据: Debian stable package indexes: libxdelta2-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - dnf (92%): ```sh sudo dnf install xdelta ``` 证据: Fedora Rawhide package metadata: xdelta from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#xdelta ``` 证据: nixpkgs package indexes: pkgs/by-name/xd/xdelta/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - zypper (92%): ```sh sudo zypper install xdelta3 ``` 证据: openSUSE Tumbleweed package metadata: xdelta3 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst - apk (92%): ```sh sudo apk add xdelta3 ``` 证据: Alpine Linux edge package indexes: xdelta3 from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz - pacman (92%): ```sh sudo pacman -S xdelta3 ``` 证据: Arch Linux sync databases: xdelta3 from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz ### Windows - Scoop (92%): ```sh scoop install main/xdelta ``` 证据: Scoop official bucket manifest trees: bucket/xdelta.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1 ## 软件包事实 - **软件包键:** brew:xdelta - **软件包管理器:** Homebrew - **软件包管理器页面:** - **版本:** 3.2.0 - **来源摘要:** Binary diff, differential compression tools - **主页:** - **仓库:** - **上游文档:** - **许可证:** GPL-2.0-or-later - **源码归档:** - **最后更新:** 2026-06-21T10:48:23Z - **已生成:** 2026-07-08T18:08:21+00:00 ## 可执行文件 - xdelta3 (cli) - xdelta3 (别名) ## 依赖 - blake3 - xz ## 构建依赖 - cmake ## 安装行为 - post-install 钩子: 未定义 - Bottle: 可用 于 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## 版本和新鲜度 - 页面生成时间: 2026-07-08 - 管理器版本: 3.2.0 - 管理器更新时间: 2026-06-21 - 本地数据: OK - 上游仓库: https://github.com/jmacd/xdelta - 检测到的最新版本: v3.2.0 (当前) ## 项目历史与用法 xdelta is a long-running binary differencing and delta-compression project. The modern xdelta3 command and library implement VCDIFF/RFC 3284 streams, letting users create compact patch files between related binary inputs and reconstruct targets from a source plus delta. ### 项目历史 The xdelta3 README carries copyright years beginning in 2001 and describes the project as a command-line interface and source distribution for VCDIFF differential compression. RFC 3284, published in June 2002 and co-authored by Josh MacDonald, standardized the VCDIFF generic differencing and compression data format that xdelta3 implements. The public Git history in the current repository starts with 2006 source snapshots and concentrated work around large-file and checksum behavior. By the 3.0 series, xdelta3 had become the maintained branch users generally meant when they installed an xdelta package. The current upstream documentation presents xdelta version 3 as both a C library and a command-line tool, with the maintained 3.2.x series using CMake, optional liblzma secondary compression, static release binaries, and an embeddable libxdelta3 API. ### 采用历史 xdelta adoption has always followed the practical need to ship changes without shipping whole files: game patches, ROM patching communities, software update systems, and package workflows all benefit from binary deltas. Its VCDIFF basis matters because the delta format is documented outside a single implementation. Package availability is broad in the input facts: Alpine, Homebrew, Debian/Ubuntu, Fedora, MacPorts, Nix, Arch, Scoop, and openSUSE-family packages all carry xdelta or xdelta3 names. That cross-platform packaging matches upstream release binaries for Linux, macOS, and Windows. ### 使用方式 The core command pattern is encode with an old source file, a new target file, and an output delta, then decode later with the same source and the delta to reconstruct the target. The upstream README shows xdelta3 -e and -d examples with -s for the source file. Modern xdelta3 can also be embedded as a library through xdelta3.h and build-system integration. This matters for software that wants VCDIFF behavior internally rather than shelling out to the xdelta3 executable. ### 为什么软件包爱好者会关心 xdelta is a package-nerd staple because it sits at the intersection of compression, patch distribution, archival workflows, and reproducible binary transformations. It is small enough to be a CLI utility, but backed by a standards-track format and decades of compatibility expectations. For package indexes, it is also a naming lesson: users may search for xdelta, xdelta3, or VCDIFF depending on platform and era, while the executable commonly exposed by modern packages is xdelta3. ### 时间线 - 2001: xdelta3 README copyright years begin, indicating early xdelta3 development. - 2002-06: RFC 3284 publishes the VCDIFF data format. - 2006-08-27: First source snapshot in the current GitHub repository history. - 2015-03-30: v3.0.9 tag in the long-lived 3.0 release line. - 2016-01-07: v3.0.11 and v3.1.0 tags. - 2026-06-20: v3.2.0 tag and maintained 3.2.x series documented upstream. ### Related projects - VCDIFF/RFC 3284: standardized delta format implemented by xdelta3. - XZ Utils/liblzma: optional secondary compression support in upstream builds. - BLAKE3: used by modern xdelta3 armor mode for whole-file verification. - bsdiff and courgette-style binary patchers: related binary-delta tools with different formats and tradeoffs. ### 来源 - Git history and tags: https://github.com/jmacd/xdelta - README, jmacd/xdelta: https://github.com/jmacd/xdelta#readme - RFC 3284: https://www.rfc-editor.org/rfc/rfc3284 - Xdelta documentation: https://jmacd.github.io/xdelta/ - xdelta3 README: https://github.com/jmacd/xdelta/blob/main/xdelta3/README.md ## 安全说明 broad file, network, media, or database tool signal. - **Geiger 风险:** blue / 中 - broad file, network, media, or database tool signal ## 源数据库详情 - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** xdelta - **Version Scheme:** 0 - **Revision:** 0 - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** stable ## 其他软件包管理器记录 - Debian apt - libxdelta2-dev - 1.1.3-10.7: normalized package name match | Debian stable package indexes: libxdelta2-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Xdelta development files - Debian apt - libxdelta2t64 - 1.1.3-10.7: normalized package name match | Debian stable package indexes: libxdelta2t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Xdelta runtime library - Debian apt - xdelta - 1.1.3-10.7: normalized package name match | Debian stable package indexes: xdelta from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | A diff utility which works with binary files - Nix - xdelta: normalized package name match | nixpkgs package indexes: pkgs/by-name/xd/xdelta/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - Ubuntu apt - libxdelta2-dev - 1.1.3-10.6build1: normalized package name match | Ubuntu 24.04 LTS package indexes: libxdelta2-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Xdelta development files - Ubuntu apt - libxdelta2t64 - 1.1.3-10.6build1: normalized package name match | Ubuntu 24.04 LTS package indexes: libxdelta2t64 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Xdelta runtime library - Ubuntu apt - xdelta - 1.1.3-10.6build1: normalized package name match | Ubuntu 24.04 LTS package indexes: xdelta from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | A diff utility which works with binary files - dnf - xdelta - 3.1.0-24.fc44: normalized package name match | Fedora Rawhide package metadata: xdelta from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | A binary file delta generator | https://github.com/jmacd/xdelta - zypper - xdelta3 - 3.1.0-6.3: normalized package name match | openSUSE Tumbleweed package metadata: xdelta3 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst | A diff utility which works with binary files | https://github.com/jmacd/xdelta-gpl - MacPorts - xdelta: normalized package name match | MacPorts ports tree: archivers/xdelta/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 - Scoop - main/xdelta: normalized package name match | Scoop official bucket manifest trees: bucket/xdelta.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1 - Debian apt - xdelta3 - 3.0.11-dfsg-1.2: installed executable or alias match | Debian stable package indexes: xdelta3 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Diff utility which works with binary files | http://xdelta.org/ - Ubuntu apt - xdelta3 - 3.0.11-dfsg-1.2: installed executable or alias match | Ubuntu 24.04 LTS package indexes: xdelta3 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Diff utility which works with binary files | http://xdelta.org/ - apk - xdelta3 - 3.1.0-r2: installed executable or alias match | Alpine Linux edge package indexes: xdelta3 from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | A diff utility which works with binary files | http://xdelta.org/ - apk - xdelta3-doc - 3.1.0-r2: installed executable or alias match | Alpine Linux edge package indexes: xdelta3-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | A diff utility which works with binary files (documentation) | http://xdelta.org/ - pacman - xdelta3 - 3.1.0-9: installed executable or alias match | Arch Linux sync databases: xdelta3 from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | Diff utility for binary files | https://github.com/jmacd/xdelta ## 相关链接 - [Source-control packages](https://www.automicvault.com/zh-hans/pkg/source-control-tools/) - Belongs to a source-control command family. - [Secret-risk packages](https://www.automicvault.com/zh-hans/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals. - [Terminal utility packages](https://www.automicvault.com/zh-hans/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Text processing packages](https://www.automicvault.com/zh-hans/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata. - [xz](https://www.automicvault.com/zh-hans/pkg/brew/xz/) - Runtime dependency declared by Homebrew. - [cmake](https://www.automicvault.com/zh-hans/pkg/brew/cmake/) - Build dependency declared by Homebrew. - [snapcraft](https://www.automicvault.com/zh-hans/pkg/brew/snapcraft/) - Popular package that depends on this formula. - [bsdiff](https://www.automicvault.com/zh-hans/pkg/brew/bsdiff/) - Shares av.db curated category or tags: binary-diff, cli, delta-compression, developer-tools, diff. - [vbindiff](https://www.automicvault.com/zh-hans/pkg/brew/vbindiff/) - Shares av.db curated category or tags: binary-diff, cli, developer-tools, diff. - [colordiff](https://www.automicvault.com/zh-hans/pkg/brew/colordiff/) - Shares av.db curated category or tags: cli, developer-tools, diff. - [diff-so-fancy](https://www.automicvault.com/zh-hans/pkg/brew/diff-so-fancy/) - Shares av.db curated category or tags: cli, developer-tools, diff. - [diffnav](https://www.automicvault.com/zh-hans/pkg/brew/diffnav/) - Shares av.db curated category or tags: cli, developer-tools, diff. - [diffoci](https://www.automicvault.com/zh-hans/pkg/brew/diffoci/) - Shares av.db curated category or tags: cli, developer-tools, diff. - [diffoscope](https://www.automicvault.com/zh-hans/pkg/brew/diffoscope/) - Shares av.db curated category or tags: cli, developer-tools, diff. - [diffr](https://www.automicvault.com/zh-hans/pkg/brew/diffr/) - Shares av.db curated category or tags: cli, developer-tools, diff. - [wandio](https://www.automicvault.com/zh-hans/pkg/brew/wandio/) - Local package facts share a topical domain. Shared terms: cli, compression, developer, developer-tools, file. - [pixz](https://www.automicvault.com/zh-hans/pkg/brew/pixz/) - Local package facts share a topical domain. Shared terms: cli, compression, developer, developer-tools, xz. ## Combined YAML source View the package source record on GitHub. [combined/xdelta.yml](https://github.com/automic-vault/db/blob/main/combined/xdelta.yml) ## 来源 - Nucleus package database - Geiger risk classifier - package-page enrichment - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph