hungweichen b16e5f49d6 git_refs, project: skip redundant git calls on unborn HEAD and warm refs
Read plain files-backend unborn HEAD symrefs directly before spawning
git symbolic-ref, update already-loaded bare_ref snapshots in
_InitAnyMRef when no external ref changes occurred, and reuse warm
bare_ref snapshots in GetRevisionId for non-tag refs.

Also skip redundant rev-parse and empty-index ls-files subprocesses in
_Reproject when HEAD is guaranteed to be an unborn local ref.

Bug: 564817989
Change-Id: I0da10cefb14753ce6e1e22e192d652790d59a5b0
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/649605
Tested-by: Gavin Mak <gavinmak@google.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Gavin Mak <gavinmak@google.com>
2026-11-05 07:52:57 -08:00
2026-01-06 11:32:42 -08:00
2026-11-03 00:10:19 -08:00
2025-04-23 08:33:37 -07:00
2026-06-22 16:19:30 -07:00
2021-11-15 01:39:36 +00:00
2020-02-13 04:49:55 +00:00
2026-03-18 12:01:37 -07:00
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2026-05-14 09:03:56 -07:00
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2024-12-03 22:27:56 +00:00
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2019-12-02 04:23:31 +00:00
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2025-08-21 11:04:41 -07:00

repo

Repo is a tool built on top of Git. Repo helps manage many Git repositories, does the uploads to revision control systems, and automates parts of the development workflow. Repo is not meant to replace Git, only to make it easier to work with Git. The repo command is an executable Python script that you can put anywhere in your path.

Contact

Please use the repo-discuss mailing list or issue tracker for questions.

You can file a new bug report under the "repo" component.

Please do not e-mail individual developers for support. They do not have the bandwidth for it, and often times questions have already been asked on repo-discuss or bugs posted to the issue tracker. So please search those sites first.

Install

Many distros include repo, so you might be able to install from there.

# Debian/Ubuntu.
$ sudo apt-get install repo

# Gentoo.
$ sudo emerge dev-vcs/repo

You can install it manually as well as it's a single script.

$ mkdir -p ~/.bin
$ PATH="${HOME}/.bin:${PATH}"
$ curl https://storage.googleapis.com/git-repo-downloads/repo > ~/.bin/repo
$ chmod a+rx ~/.bin/repo

Shell Completion

Repo includes completion scripts for Bash and Zsh.

Bash

To enable completion in Bash, source completion.bash in your ~/.bashrc:

source /path/to/git-repo/completion.bash

Zsh

To enable completion in Zsh, you can either:

  1. Copy or symlink completion.zsh to a file named _repo in a directory in your $fpath:

    mkdir -p ~/.zsh/completion
    # You can copy the file:
    cp /path/to/git-repo/completion.zsh ~/.zsh/completion/_repo
    # Or symlink it:
    ln -s /path/to/git-repo/completion.zsh ~/.zsh/completion/_repo
    

    Then add that directory to your fpath in ~/.zshrc before compinit:

    fpath=(~/.zsh/completion $fpath)
    autoload -Uz compinit
    compinit
    
  2. Or source the file directly and call compdef in your ~/.zshrc:

    source /path/to/git-repo/completion.zsh
    compdef _repo repo
    
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