fix build scripts (#3085)

* fix build scripts

Search for the right variable when introspecting Go code. `Version` was
renamed to `TMCoreSemVer`.

This is regression introduced in
b95ac688af

* fix all `Version` introspections.

Use `TMCoreSemVer` instead of `Version`

DOCKER/build.sh

@@ -3,7 +3,7 @@ set -e
 
 # Get the tag from the version, or try to figure it out.
 if [ -z "$TAG" ]; then
-	TAG=$(awk -F\" '/Version =/ { print $2; exit }' < ../version/version.go)
+	TAG=$(awk -F\" '/TMCoreSemVer =/ { print $2; exit }' < ../version/version.go)
 fi
 if [ -z "$TAG" ]; then
 		echo "Please specify a tag."

DOCKER/push.sh

@@ -3,7 +3,7 @@ set -e
 
 # Get the tag from the version, or try to figure it out.
 if [ -z "$TAG" ]; then
-	TAG=$(awk -F\" '/Version =/ { print $2; exit }' < ../version/version.go)
+	TAG=$(awk -F\" '/TMCoreSemVer =/ { print $2; exit }' < ../version/version.go)
 fi
 if [ -z "$TAG" ]; then
 		echo "Please specify a tag."

scripts/dist.sh

@@ -6,7 +6,7 @@ set -e
 
 # Get the version from the environment, or try to figure it out.
 if [ -z $VERSION ]; then
-	VERSION=$(awk -F\" '/Version =/ { print $2; exit }' < version/version.go)
+	VERSION=$(awk -F\" 'TMCoreSemVer =/ { print $2; exit }' < version/version.go)
 fi
 if [ -z "$VERSION" ]; then
     echo "Please specify a version."

scripts/publish.sh

@@ -6,7 +6,7 @@ DIST_DIR=./build/dist
 
 # Get the version from the environment, or try to figure it out.
 if [ -z $VERSION ]; then
-	VERSION=$(awk -F\" '/Version =/ { print $2; exit }' < version/version.go)
+	VERSION=$(awk -F\" 'TMCoreSemVer =/ { print $2; exit }' < version/version.go)
 fi
 if [ -z "$VERSION" ]; then
     echo "Please specify a version."

scripts/release.sh

@@ -3,7 +3,7 @@ set -e
 
 # Get the version from the environment, or try to figure it out.
 if [ -z $VERSION ]; then
-	VERSION=$(awk -F\" '/Version =/ { print $2; exit }' < version/version.go)
+	VERSION=$(awk -F\" 'TMCoreSemVer =/ { print $2; exit }' < version/version.go)
 fi
 if [ -z "$VERSION" ]; then
     echo "Please specify a version."