Pantsbuild: Configure Ivy to publish jars to s3

publish_jars_to_s3.diff

--- a/build-support/ivy/publish.ivysettings.xml
+++ b/build-support/ivy/publish.ivysettings.xml
@@ -14,13 +14,22 @@ Licensed under the Apache License, Version 2.0 (see LICENSE).
   <properties file="${user.home}/.gnupg/pgp.properties"/>
   <settings defaultResolver="main" />
+  <!--
+  Custom s3resolver to allow pushing published artifacts directly to an s3 bucket
+  Credentials are loaded from default AWS location, ~/.aws/credentials.
+  -->
+  <typedef name="s3resolver" classname="co.actioniq.ivy.s3.S3URLResolver"/>
   <resolvers>
+          <s3resolver
+              name="my.maven.repo"
+              root="s3://my.maven.repo/repositories/maven-s3"
+              signer="pgp"/>
+          />
--- a/build-support/ivy/ivy.xml
+++ b/build-support/ivy/ivy.xml
@@ -18,9 +18,13 @@ Licensed under the Apache License, Version 2.0 (see LICENSE).
     <dependency org="commons-httpclient" name="commons-httpclient" rev="3.1"/>
+    <!-- enable custom ivy resolver that can read/write to s3
+    -->
+    <dependency org="co.actioniq" name="s3-ivy-resolver" rev="0.5"/>
+
     <!-- support for the pgp signer -->
     <dependency org="org.bouncycastle" name="bcpg-jdk14" rev="1.45"/>
mateo-2:2 mateo$ git diff origin/master build-support/*xmln *ini
diff --git a/pants-internal.ini b/pants-internal.ini
index a5e6ba2cb2f..db3f9d9dcdd 100644
--- a/pants.ini
+++ b/pants.ini
[ivy]
ivy_profile: %(pants_supportdir)s/ivy/ivy.xml
+
[publish.jar]
ivy_settings: %(pants_supportdir)s/ivy/publish.ivysettings.xml
repos = {
+   's3_maven_repo': {
+     'resolver': 'my.maven.repo',
+     'help': 'Credentials are read from ~/.aws/credentials',
+   },
   }
+
--- a/register.py
+++ b/register.py
+s3_publish_root = "my.maven.repo")
+
+s3_maven_repo = Repository(
+  name='s3_maven_repo',
+  url="https://{}/repositories/maven_s3".format(s3_publish_root),
+  push_db_basedir=PUSHDB_PATH,
+)
+
 def build_file_aliases():
   return BuildFileAliases(
@@ -89,6 +101,7 @@ def build_file_aliases():
+      's3_maven_repo': s3_maven_repo,
     },
   )

A third party implemented the S3 ivy resolver library. The code is no longer on Github - but they did publish sources jars to Maven, which is how I stepped through the API:

https://repo1.maven.org/maven2/co/actioniq/s3-ivy-resolver/0.5/

Thanks y'all!