Description: Make the build reproducible.
Author: Chris Lamb <lamby@debian.org>
Bug-Debian: https://bugs.debian.org/834857
Forwarded: https://github.com/NagiosEnterprises/nrpe/pull/78
Applied-Upstream: https://github.com/NagiosEnterprises/nrpe/commit/c6ca9766cae19bc194efa68ed85999e9c9756422

--- a/update-version
+++ b/update-version
@@ -20,11 +20,11 @@ fi
 
 # Get date (two formats)
 if [ -n "$2" ]; then
-    LONGDATE=`date -d "$2" "+%B %d, %Y"`
-    SHORTDATE=`date -d "$2" "+%m-%d-%Y"`
+    LONGDATE=$(LC_ALL=C date -u -d "$2" "+%B %d, %Y")
+    SHORTDATE=$(date -u -d "$2" "+%m-%d-%Y")
 else
-    LONGDATE=`date "+%B %d, %Y"`
-    SHORTDATE=`date "+%m-%d-%Y"`
+    LONGDATE=$(LC_ALL=C date -u -d "@${SOURCE_DATE_EPOCH:-$(date +%s)}" "+%B %d, %Y")
+    SHORTDATE=$(date -u -d "@${SOURCE_DATE_EPOCH:-$(date +%s)}" "+%m-%d-%Y")
 fi
 
 # Current version number