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6a505ad9ab
CrOS intends to provide a Bazel executable for our users in chromite/bin/bazel in our tree. We'd like the "bazel" command in depot_tools to call this executable. This adds a new launcher to depot_tools which searches for that bazel executable when located inside of a ChromiumOS checkout, and executes it. When located outside of a ChromiumOS checkout, this launcher "disappears", searching elsewhere in the PATH for another Bazel executable. Since other teams using depot_tools may want to start using Bazel in the future, this launcher is intended to have shared ownership: other teams are welcome to come add their search functions to the launcher if they require the same functionality as us. Bug: b:253268519 Change-Id: I61f6383d8b69b9eea622f37277678f898cc7fd6b Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/4718785 Reviewed-by: Shuhei Takahashi <nya@chromium.org> Reviewed-by: Josip Sokcevic <sokcevic@chromium.org> Reviewed-by: Aaron Massey <aaronmassey@google.com> Commit-Queue: Jack Rosenthal <jrosenth@chromium.org> Auto-Submit: Jack Rosenthal <jrosenth@chromium.org> Commit-Queue: Josip Sokcevic <sokcevic@chromium.org>
depot_tools
Tools for working with Chromium development. It requires python 2.7 or 3.8 for python 3 support.
Tools
The most important tools are:
fetch: Agclientwrapper to checkout a project. Usefetch --helpfor more details.gclient: A meta-checkout tool. Think repo or git submodules, except that it support OS-specific rules, e.g. do not checkout Windows only dependencies when checking out for Android. Usegclient helpfor more details and README.gclient.md.git cl: A code review tool to interact with Rietveld or Gerrit. Usegit cl helpfor more details and README.git-cl.md.roll-dep: A gclient dependency management tool to submit a dep roll, updating a dependency to a newer revision.
There are a lot of git utilities included.
Updating
depot_tools updates itself automatically when running gclient tool. To
disable auto update, set the environment variable DEPOT_TOOLS_UPDATE=0 or
run ./update_depot_tools_toggle.py --disable.
To update package manually, run update_depot_tools.bat on Windows,
or ./update_depot_tools on Linux or Mac.
On Windows only, running gclient will install git and python.
Contributing
To contribute change for review:
git new-branch <somename>
# Hack
git add .
git commit -a -m "Fixes goat teleporting"
# find reviewers
git cl owners
git log -- <yourfiles>
# Request a review.
git cl upload -r reviewer1@chromium.org,reviewer2@chromium.org --send-mail
# Edit change description if needed.
git cl desc
# If change is approved, flag it to be committed.
git cl set-commit
# If change needs more work.
git rebase-update
...
git cl upload -t "Fixes goat teleporter destination to be Australia"
See also open bugs, open reviews, forum or report problems.
cpplint.py
Until 2018, our cpplint.py was a copy of the upstream version at
https://github.com/google/styleguide/tree/gh-pages/cpplint. Unfortunately, that
repository is not maintained any more.
If you want to update cpplint.py in depot_tools, just upload a patch to do
so. We will figure out a long-term strategy via issue https://crbug.com/916550.
Note that the cpplint.py here is also used by the Tricium
analyzer,
so if the cpplint.py here changes, we should also update the copy used there.