Fast and incremental query and sync of files in a remote git repository.
- Core library (Kotlin)
- Command line interface
- Gradle plugin
An alternative approach for defining dependencies in a build project vs importing of pre-built and published artifacts.
It is sometimes preferable to query individual files in a remote repo when:
- we only need a few files from large remote monorepo.
- we need granular versioning for each dependency file.
- it is hard to globally version the files in the remote repo, or it would require many artifacts to be published.
- we want to combine the source files of an artifact into our module.
- we want to avoid version conflicts as possible when including pre-build artifacts.
# Describe a set of files to fetch from a given repository.
---
schema:
version: 1
# remote - The remote repository to query files from.
remote: https://github.com/aminghadersohi/ProtoExample.git
# branch - The single branch that will be cloned on first run and pulled incrementally on
# subsequent runs. The revision values used in [commits] and [files] must be available under [branch].
branch: master
# A list of commit aliases that can be used in the [files] section.
commits:
latest: d654b510d2689e8ee56d23d03dff2be742737f86
# Specify a nested map of filenames to revisions (or commit alias) that we want to sync to [outputDir].
# The structure of [files] matches the directory structure of the remote repo. A key whose value is a
# nested map is considered a directory.
files:
# A file at the root fo the remote repo.
README.md: latest
# A directory at the root of the remote repo.
definitions:
# A file inside the definitions folder.
user.proto: 42933446d0321958e8c12216d04b9f0c382ebf1b
# A directory to sync the queried files into. default: gitquery-output
outputDir: gitquery-output
# A directory to hold the intermediate cloned git repo. default: /tmp/gitquery/repo
repoDir: /tmp/.gitquery
# If true [default], cleans out the output folder prior to running sync.
cleanOutput: true
# A free form map of String -> Any - enabling self contained integration with various systems.
extra:
attr1: value1
attr2: 1
#Gradle Plugin - (https://plugins.gradle.org/plugin/com.tinder.gitquery)
module/build.gradle:
plugins {
id "com.tinder.gitquery" version "3.0.12"
}
gitQuery {
autoSync = true
cleanOutput = true
configFile = "gitquery.yml"
outputDir = protoDir
repoDir = "${project.buildDir}/tmp/.gitquery"
}
// This will init/update the config file every time the gitQuery task runs.
gitQueryInit {
flatFiles = false
includeGlobs = listOf("**/examples/addressbook.proto")
excludeGlobs = listOf("**/generated/**/*.proto")
revision = "v3.14.0"
}This adds a task called gitQuery to the module. It can be executed like so:
./gradlew :module:gitQuery
Add the needed dependencies to your WORKSPACE file:
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
name = "GitQuery",
url = "RELEASE_URL",
sha256 = "UPDATE_ME"
)
load("@GitQuery//bazel_support:repositories.bzl", "gitquery_dependencies")
load("@GitQuery//bazel_support:constants.bzl", "MAVEN_ARTIFACTS")
gitquery_dependencies()
load("@io_bazel_rules_kotlin//kotlin:repositories.bzl", "kotlin_repositories")
kotlin_repositories()
load("@io_bazel_rules_kotlin//kotlin:core.bzl", "kt_register_toolchains")
kt_register_toolchains()
load("@rules_jvm_external//:defs.bzl", "maven_install")
maven_install(
artifacts = MAVEN_ARTIFACTS,
repositories = [
"https://maven.google.com",
"https://repo1.maven.org/maven2",
],
)
Then run
bazel run @GitQuery//:GitQuery -- -h
to get started.
Install using brew (https://github.com/Tinder/homebrew-tap):
brew tap Tinder/tap
brew install gitquery
or
brew install Tinder/tap/gitquery
If you need Java 11:
brew install --cask homebrew/cask-versions/temurin11
To install from source:
./installTo run
gitquery./gitquery --config-file=./samples/sample1.yml --repo-dir=./build/tmp/repo --output-dir=./gitquery-output./gitquery --init-config \
--config-file samples/sample1-generate-nested.yml \
--include-globs "**/src/google/protobuf/**/*.proto,**/benchmarks/**/*.proto,README.md,benchmarks/Makefile.am" \
--exclude-globs "**/ruby/**,**/proto2/**" \
--remote [email protected]:protocolbuffers/protobuf.git \
--branch master \
--revision v3.14.0./gitquery --init-config \
--config-file samples/sample2-generate-nested.yml \
--include-globs "**/src/google/protobuf/**/*.proto,**/benchmarks/**/*.proto,README.md" \
--exclude-globs "**/ruby/**,**/proto2/**" \
--revision v3.14.0./gitquery --init-config \
--config-file samples/sample2-generate-flat.yml --flat-files \
--include-globs "**/src/google/protobuf/**/*.proto,**/benchmarks/**/*.proto,README.md" \
--exclude-globs "**/ruby/**,**/proto2/**"\
--revision v3.14.0./gitquery --help
Usage: git-query-cli [OPTIONS]
Options:
--version Show the version and exit
--config-file TEXT A yaml file that describe a set of files to query and
sync from a given repository. default: gitquery.yml
--remote TEXT Remote Git repo url. If provided, this will override
any value specified for [remote] in the [configFile].
default:
--branch TEXT Remote Git repo branch. If provided, this will
override any value specified for [branch] in the
[configFile]. default: master
--output-dir TEXT Path to a directory where the files should be synced
to. If provided, this will override any value
specified for [outputDir] in the [configFile].
default: gitquery-output
--repo-dir TEXT Where the remote repo(s) can be cloned locally and
stored. If provided, this will override any value
specified for [repoDir] in the [configFile]. default:
/tmp/gitquery/repo
--dont-clean-output Whether to not clean the output folder prior to sync.
If set, this will override the [cleanOutput] in the
[configFile] default: false
--init-config Initialize/update the config file based on command
line params. Use --include-globs and --exclude-globs.
If [configFile] exists, it will be updated, else it
will be created with values from command line or
internal defaults. default: false
--include-globs TEXT A list of globs to include when generating/updating
the files attribute in [configFile]. If provided, this
comma, space or pipe separated list of globs will
override [includeGlobs] in [configFile] and used when
initializing/updating the config's [files] map.
--exclude-globs TEXT A list of globs to exclude when generating/updating
the files attribute in [configFile]. If provided, this
comma, space or pipe separated list of globs will
override [excludeGlobs] in [configFile] and used to
exclude patterns when initializing/updating the
config's [files] map.
--flat-files When --generate-globs is used, this option helps
choose if the files in the generated config file
should be in a flat map or a nest map. default: false
--revision TEXT A revision to use when --init-config is used, if not
provided the revision of latest [branch] is used
--verbose Show the underlying commands and their outputs in the
console. default: false
-h, --help Show this message and exitWe have a tech stack with many mobile/web apps and services with many developers actively working on them. We want to avoid duplicating and handwriting our models and service interfaces, so we decide to store definitions of models and service interfaces in a central idl repo.
We can choose to build a single artifact for each language that we support in our tech stack or even build many of them. However, since each of our apps or services just needs a couple of files from the idl repo. We can avoid including unneccesary files, in pre-built artifacts, by using GitQuery to pull and sync the idl files that we want. This allows them to be staged for our build. From there we can use our code generation tools, the sames ones we were using to generate code and build them in to an artifact, to generate code from the idl definitions that we care about and use the generated code in our project as any other source code.
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