func Push(sous *core.Sous, args []string) {
target := "app"
if len(args) != 0 {
target = args[0]
}
core.RequireGit()
core.RequireDocker()
if err := git.AssertCleanWorkingTree(); err != nil {
cli.Warn("Dirty working tree: %s", err)
}
_, context := sous.AssembleTargetContext(target)
tag := context.DockerTag()
if !docker.ImageExists(tag) {
cli.Fatalf("No built image available; try building first")
}
docker.Push(tag)
name := context.CanonicalPackageName()
cli.Successf("Successfully pushed %s v%s as %s", name, context.BuildVersion, context.DockerTag())
}
// LastBuildImageExists checks that the previously build image, if any, still
// exists on this machine. If there is no previously built image, or it's been
// deleted, return false, otherwise true.
func (c *Context) LastBuildImageExists() bool {
return docker.ImageExists(c.PrevDockerTag())
}