Update to v0.9.1

Changelogs:
- https://github.com/prometheus/pushgateway/releases/tag/v0.9.1
- https://github.com/prometheus/pushgateway/releases/tag/v0.9.0
- https://github.com/prometheus/pushgateway/releases/tag/v0.7.0
- https://github.com/prometheus/pushgateway/releases/tag/v0.5.2
- https://github.com/prometheus/pushgateway/releases/tag/v0.5.1
- https://github.com/prometheus/pushgateway/releases/tag/v0.5.0
- https://github.com/prometheus/pushgateway/releases/tag/v0.4.0

The new persistent storage format is not backwards compatible. See the
changelogs for details.

- Define LICENSE_FILE.
- Switch to USES=go:modules
- Simplify targets.
- Fix a couple of typos and style issues in the service file
- Improve readability of comments in the service file
- Do not install /var/db/pushgateway by default. It is going to be created
  by the service anyway.

PR:		233660
Approved by:	maintainer
Event:		EuroBSDcon 2019 Hackathon
Differential Revision:	https://reviews.freebsd.org/D21729

1 files changed, 7 insertions, 0 deletions

diff --git a/UPDATING b/UPDATING
index bbdc989a2cd7..de06b6bfdc6e 100644
--- a/UPDATING
+++ b/UPDATING
@@ -5,6 +5,13 @@ they are unavoidable.
 You should get into the habit of checking this file for changes each time
 you update your ports collection, before attempting any port upgrades.
 
+20190920:
+  AFFECTS: users of net-mgmt/pushgateway
+  AUTHOR: 0mp@FreeBSD.org
+
+  The persistent storage format used by pushgateway in the lastest version is
+  not backwards compatible. See the pushgateway changelogs for details.
+
 20190911:
   AFFECTS: users of security/bastillion
   AUTHOR: netchild@FreeBSD.org