Add get_next_release function

Author: mbhave

README.adoc

@@ -206,6 +206,21 @@ version=$( strip_snapshot_suffix "1.2.3-SNAPSHOT" )
 version=$( strip_snapshot_suffix "1.2.3.BUILD-SNAPSHOT" )
 ----
 
+
+
+==== get_next_release
+Get the release version based on a given snapshot version.
+
+The following call will set `next` to `1.0.0.RELEASE`.
+
+[source,bash]
+----
+next=$( get_next_milestone_release "1.0.0.BUILD-SNAPSHOT" )
+----
+
+TIP: Version numbers in the form `1.0.0-SNAPSHOT` and `1.0.0.BUILD-SNAPSHOT` are both supported
+
+
 ==== get_next_milestone_release / get_next_rc_release
 Get the next milestone or release candidate version based on a given version and existing git tags.
 These methods allow preview releases to be published, without needing to directly store the release number.

concourse-java.sh

@@ -67,6 +67,21 @@ get_next_rc_release() {
 	get_next_tag_based_release "$1" "RC"
 }
 
+# Get the next release for the given number
+get_next_release() {
+	[[ -n $1 ]] || { echo "missing get_next_release() version argument" >&2; return 1; }
+	if [[ $1 =~ ^(.*)\.BUILD-SNAPSHOT$ ]]; then
+		local join="."
+	else
+		local join="-"
+	fi
+	local version
+	local result
+	version=$( strip_snapshot_suffix "$1" )
+	result="${version}${join}RELEASE"
+	echo $result
+}
+
 # Get the next milestone or RC release for the given number by inspecting current tags
 get_next_tag_based_release() {
 	[[ -n $1 ]] || { echo "missing get_next_tag_based_release() version argument" >&2; return 1; }

test/get_next_release.bats

@@ -84,6 +84,19 @@ source "$PWD/concourse-java.sh"
 	assert_output "2.0.0.B3"
 }
 
+@test "get_next_release() should return next release version" {
+	run get_next_release "1.5.0.BUILD-SNAPSHOT"
+	assert_output "1.5.0.RELEASE"
+	run get_next_release "1.5.0-SNAPSHOT"
+	assert_output "1.5.0-RELEASE"
+}
+
+@test "get_next_release() when has no version should fail" {
+	run get_next_release
+	assert [ "$status" -eq 1 ]
+	assert_output "missing get_next_release() version argument"
+}
+
 mock_git_repo() {
 	local tmpdir=$(mktemp -d $BATS_TMPDIR/gitrepo.XXXXXX) >&2
 	mkdir -p "$tmpdir" >&2
@@ -96,4 +109,4 @@ mock_git_repo() {
 		git tag "$tag" >&2
 	done
 	echo "$tmpdir"
-}
+}