Merge pull request #102 from rabbitmq/hex-package-aliasing

Allow hex packages with a different package name than app name

Author: HoloRin

bzlmod/erlang_package.bzl

@@ -15,6 +15,7 @@ load(
 HexPackage = provider(fields = [
     "module",
     "name",
+    "pkg",
     "version",
     "sha256",
     "build_file_content",
@@ -45,6 +46,7 @@ def hex_tree(
         ctx,
         module = None,
         name = None,
+        pkg = None,
         version = None):
     log(ctx, "Fetching release info for {}@{} from hex.pm".format(name, version))
     release_info = hex_release_info(ctx, name, version)
@@ -61,6 +63,7 @@ def hex_tree(
     return HexPackage(
         module = module,
         name = name,
+        pkg = pkg,
         version = version,
         sha256 = sha256,
         build_file_content = "",
@@ -74,13 +77,15 @@ def hex_package(
         ctx,
         module = None,
         name = None,
+        pkg = None,
         version = None,
         sha256 = None,
         build_file_content = None,
         patch_cmds = None):
     return HexPackage(
         module = module,
         name = name,
+        pkg = pkg,
         version = version,
         sha256 = sha256,
         build_file_content = build_file_content,
@@ -165,7 +170,7 @@ def _hex_package_repo(ctx, hex_package):
     if hex_package.build_file_content != "":
         hex_archive(
             name = hex_package.name,
-            package_name = hex_package.name,
+            package_name = hex_package.pkg if hex_package.pkg != "" else hex_package.name,
             version = hex_package.version,
             sha256 = hex_package.sha256,
             build_file_content = hex_package.build_file_content,
@@ -179,7 +184,7 @@ def _hex_package_repo(ctx, hex_package):
 
         hex_archive(
             name = hex_package.name,
-            package_name = hex_package.name,
+            package_name = hex_package.pkg if hex_package.pkg != "" else hex_package.name,
             version = hex_package.version,
             sha256 = hex_package.sha256,
             patch_cmds = hex_package.patch_cmds + [PATCH_AUTO_BUILD_BAZEL.format(

bzlmod/extensions.bzl

@@ -239,13 +239,15 @@ def _erlang_package(ctx):
                 ctx,
                 module = mod,
                 name = dep.name,
+                pkg = dep.pkg,
                 version = dep.version,
             ))
         for dep in mod.tags.hex_package:
             packages.append(hex_package(
                 ctx,
                 module = mod,
                 name = dep.name,
+                pkg = dep.pkg,
                 version = dep.version,
                 sha256 = dep.sha256,
                 build_file_content = dep.build_file_content,
@@ -272,11 +274,13 @@ def _erlang_package(ctx):
 
 hex_package_tree_tag = tag_class(attrs = {
     "name": attr.string(mandatory = True),
+    "pkg": attr.string(),
     "version": attr.string(mandatory = True),
 })
 
 hex_package_tag = tag_class(attrs = {
     "name": attr.string(mandatory = True),
+    "pkg": attr.string(),
     "version": attr.string(mandatory = True),
     "sha256": attr.string(),
     "build_file_content": attr.string(),