Add devel/erlang-backoff, a library for handling exponential backoffs in Erlang.

devel/Makefile

@@ -467,6 +467,7 @@
     SUBDIR += eric4
     SUBDIR += eric6
     SUBDIR += eris
+    SUBDIR += erlang-backoff
     SUBDIR += erlang-bbmustache
     SUBDIR += erlang-bear
     SUBDIR += erlang-certifi

devel/erlang-backoff/Makefile

+# $FreeBSD$
+
+PORTNAME=	backoff
+PORTVERSION=	1.1.3
+CATEGORIES=	devel
+PKGNAMEPREFIX=	erlang-
+
+MAINTAINER=	olgeni@FreeBSD.org
+COMMENT=	Simple exponential backoffs in Erlang
+
+LICENSE=	MIT
+
+USES=		erlang:rebar3
+USE_GITHUB=	yes
+GH_ACCOUNT=	ferd
+
+.include <bsd.port.mk>

devel/erlang-backoff/distinfo

+SHA256 (ferd-backoff-1.1.3_GH0.tar.gz) = 73f58608eddc9e4259da8fae32575b10a5582a222dbf6b1b501f9c14d2f4cd23
+SIZE (ferd-backoff-1.1.3_GH0.tar.gz) = 6650

devel/erlang-backoff/pkg-descr

+Backoff is an Erlang library to deal with exponential backoffs and
+timers to be used within OTP processes when dealing with cyclical
+events, such as reconnections, or generally retrying things.
+
+WWW: https://github.com/ferd/backoff

devel/erlang-backoff/pkg-plist

+lib/erlang/lib/backoff-%%VERSION%%/ebin/backoff.app
+lib/erlang/lib/backoff-%%VERSION%%/ebin/backoff.beam
+lib/erlang/lib/backoff-%%VERSION%%/src/backoff.app.src
+lib/erlang/lib/backoff-%%VERSION%%/src/backoff.erl
+%%PORTDOCS%%%%DOCSDIR%%/README.md