Add command to run all snapshot builds.

Author: mp911de

src/main/java/org/springframework/data/release/issues/github/GitHub.java

@@ -684,7 +684,8 @@ public void triggerDownstreamWorkflow(GitHubWorkflow workflow, ModuleIteration m
 		Map<String, Object> parameters = createParameters(GitProject.of(moduleIteration.getSupportedProject()));
 		Map<String, Object> body = new LinkedHashMap<>();
 
-		body.put("ref", Branch.from(moduleIteration).toString());
+		String branch = Branch.from(moduleIteration).toString();
+		body.put("ref", branch);
 
 		parameters.put("workflow_id", workflow.getId());
 
@@ -696,7 +697,7 @@ public void triggerDownstreamWorkflow(GitHubWorkflow workflow, ModuleIteration m
 					"Cannot trigger workflow '%s'. Status: %s".formatted(moduleIteration.getProject(), entity.getStatusCode()));
 		}
 
-		logger.log(moduleIteration, "Workflow '%s' started.", workflow.getName());
+		logger.log(moduleIteration, "Workflow '%s' on branch '%s' started.", workflow.getName(), branch);
 	}
 
 	@Cacheable("get-workflow")

src/main/java/org/springframework/data/release/issues/github/GitHubCommands.java

@@ -200,6 +200,15 @@ public void triggerDownstreamWorkflow(@CliOption(key = "source-repository") Stri
 		});
 	}
 
+	@CliCommand(value = "github trigger snapshots")
+	public void triggerSnapshots(@CliOption(key = "", mandatory = true) TrainIteration trainIteration) {
+
+		ExecutionUtils.run(executor, trainIteration, it -> {
+			GitHubWorkflows.GitHubWorkflow workflow = gitHub.getWorkflow(it.getSupportedProject(), "snapshots.yml");
+			gitHub.triggerDownstreamWorkflow(workflow, it);
+		});
+	}
+
 	public void triggerAntoraWorkflow(SupportedProject project) {
 
 		SupportedProject workflowRepository = SupportedProject.of(Projects.RELEASE, SupportStatus.COMMERCIAL);