Slakah’s gists

Slakah / build.sbt

Last active November 13, 2019 10:41

Check to see if a dependency has been published before publishing. Inspired by https://github.com/scalacenter/sbt-release-early/blob/master/src/main/scala/ch/epfl/scala/sbt/release/ReleaseEarlyPlugin.scala#L339

	publish := Def.taskDyn {
	def isLocalResolver(r: Resolver) = r match {
	case _: MavenCache => true
	case _: FileRepository => true
	case _ => false
	}
	val publishOrig = publish.taskValue
	val logger = streams.value.log
	val moduleID = projectID.value
	val scalaModule = scalaModuleInfo.value

Slakah / Resources.scala

Last active March 11, 2023 03:29

Macro to read resources at compile time

	package fastparse.protobuf

	import java.nio.file.{Files, Paths}

	import scala.reflect.macros.whitebox
	import scala.jdk.CollectionConverters._

	object Resources {

	def readResource(path: String): String = macro Resources.readResourceImpl

Slakah / FederationSchema.scala

Created July 17, 2019 15:24

PoC Sangria Support for Apollo Federation

	import sangria.marshalling.circe._
	import sangria.schema._
	import sangria.macros._
	import io.circe.Json
	import io.circe.syntax._

	object FederationSchema {

	val federation =
	gql"""

Slakah / UtestResourceHelper.scala

Created June 26, 2019 14:07

Allow safe direct access to a resource with proper cleanup in utest.

	package com.disneystreaming.cxeng.utils

	import cats.effect._

	/**
	* Allow resources to be safely acquired and released in utest test suites.
	* {{{
	* import utest._
	*
	* object FooTests extends TestSuite with UtestResourceHelper[FileResource] {

Slakah / gh-pr-search.sc

Last active August 12, 2019 17:34

	#!/usr/bin/env amm
	import $ivy.{
	`com.github.alexarchambault::case-app:2.0.0-M9`,
	`com.gubbns::uritemplate4s:0.3.0`,
	`io.circe::circe-core:0.12.0-RC2`,
	`io.circe::circe-generic-extras:0.12.0-RC2`,
	`org.http4s::http4s-circe:0.20.9`,
	`org.http4s::http4s-dsl:0.20.9`,
	`org.http4s::http4s-blaze-client:0.20.9`,
	`org.slf4j:slf4j-nop:1.7.26`

Slakah / get-version.sh

Created May 31, 2019 10:43

determine version from git tag

	#!/bin/bash
	set -euo pipefail

	# determine version from git tag
	# x.y.z when commit is tagged
	# includes git hash when untagged

	exec git describe --tags --abbrev=8 --match v[0-9]* --always --dirty \| sed 's/^v//'

Slakah / kinesis-v2-localstack.sc

Created April 26, 2019 08:54

Use AWS SDK V2 Kinesis with localstack.

	import $ivy.`software.amazon.awssdk:kinesis:2.5.31`
	import $ivy.`software.amazon.awssdk:netty-nio-client:2.5.31`

	def localAwsClient[Builder <: AwsClientBuilder[Builder, _]](builder: Builder, endpoint: String): Builder = {
	val creds = AwsBasicCredentials.create("dummy", "dummy")
	builder
	.endpointOverride(URI.create(endpoint))
	.region(Region.US_EAST_1)
	.credentialsProvider(StaticCredentialsProvider.create(creds))
	}

Slakah / github-release.sh

Created March 7, 2019 13:27

Create a GitHub release based on previous commits, requires https://hub.github.com/ and moreutils

	#!/bin/bash
	set -euo pipefail

	# requires moreutils for vipe `brew install moreutils`.

	if [[ $# -ne 1 ]]; then
	echo "Usage: $0 tag"
	exit 1
	fi

Slakah / circe-walk.sc

Created February 14, 2019 11:25

Walk a JSON tree using Circe

	import $ivy.{
	`io.circe::circe-core:0.10.0`,
	`io.circe::circe-generic:0.10.0`,
	`io.circe::circe-parser:0.10.0`
	}
	import io.circe._, io.circe.parser._

	def walk(js: Json, f: Json => Json): Json =
	js.arrayOrObject(
	f(js),

Slakah / s3-stream.sh

Last active May 14, 2019 13:28

Stream gzipped files from an S3 bucket

	#!/bin/bash
	set -euo pipefail

	# stream gzip data from S3

	if [[ $# -ne 3 ]]; then
	echo "Usage: $0 bucket path parallel"
	exit 1
	fi

James Collier Slakah