GetAbsBuildContext returns build context relative to project root dir.

GetGitCurrentBranch gets current git branch name for the current git repo.

GetGitCurrentRemoteURL gets current git remote URI for the current git repo.

GetImageTag get tag name from image name if no tag is specified return 'latest'.

HasGitBinary checks if the 'git' binary is available on the system.

OpenShift implements Transformer interface and represents OpenShift transformer.