[datastore] Add IsErrNoSuchEntity in datastore/errors.go

This was an unsurprisingly common thing to do.
Also datastore already imports errors, so this was the most logical place to put this.

Change-Id: I11f5ef777733de85cbd2a9616beab6500a47bf06
Reviewed-on: https://chromium-review.googlesource.com/1043331
Commit-Queue: Ryan Tseng <hinoka@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
1 file changed
tree: 76a5ef326d07dab86b5f76e4907c113fd78d56f0
  1. .travis.yml
  2. AUTHORS
  3. CONTRIBUTING.md
  4. CONTRIBUTORS
  5. LICENSE
  6. OWNERS
  7. PRESUBMIT.py
  8. README.md
  9. codereview.settings
  10. doc.go
  11. docs/
  12. example_test.go
  13. filter/
  14. impl/
  15. infra/
  16. pre-commit-go.yml
  17. service/
  18. tools/
README.md

gae: A Google AppEngine SDK wrapper

designed for testing and extensibility

THIS PACKAGE HAS NO API COMPATIBILITY GUARANTEES. USE UNPINNED AT YOUR OWN PERIL.

(but generally it should be pretty stableish).

GoDoc Build Status Coverage Status

Installing

go get -u go.chromium.org/gae/...

Why/What/How

See the godocs.

Versioning

  • Branch master contains the latest code.

Contributing

  • Sign the Google CLA.
  • Make sure your user.email and user.name are configured in git config.
  • Install test-only packages: go get -u -t go.chromium.org/luci/client/...
  • Install the pcg git hook: go get -u github.com/maruel/pre-commit-go/cmd/... && pcg

Run the following to setup the code review tool and create your first review:

git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git $HOME/src/depot_tools
export PATH="$PATH:$HOME/src/depot_tools"
cd $GOROOT/go.chromium.org/luci
git checkout -b work origin/master

# hack hack
git commit -a -m "This is awesome"

# We use Gerrit for code review. Visit
# https://chromium-review.googlesource.com/new-password
# and follow instructions.

git cl upload -s --r-owners
# This will upload your change to Gerrit and pick a random owner (as defined
# in the OWNERS file) for review.
# Wait for approval and submit your code through Commit Queue.
# Commit queue will test your change on multiple platforms and land it
# automatically.

# Once you get a review with comments, you can do additional commits to your
# feature branch, and then upload again to update the review in gerrit.
$ git cl upload

Use git cl help and git cl help <cmd> for more details.