Get version information from git tag

build/flags.sh

@@ -5,4 +5,5 @@ set -eu
 cd "$(dirname "${0}")/.."
 
 echo '-X "github.com/abcum/surreal/util/build.rev='$(git rev-parse HEAD)'"' \
+     '-X "github.com/abcum/surreal/util/build.ver='$(git describe --tags --abbrev=0 || echo 0.0.0)'"' \
      '-X "github.com/abcum/surreal/util/build.time='$(date -u '+%Y/%m/%d %H:%M:%S')'"'

util/build/build.go

@@ -19,7 +19,7 @@ import (
 )
 
 var (
-	ver  = "0.1.0" // Version number
+	ver  string // Version number
 	rev  string // Git revision of this build
 	time string // Build time in UTC (year/month/day hour:min:sec)
 )