From 6c7048dc0dbe08c2db631198ce93f7ffec25c4bd Mon Sep 17 00:00:00 2001
From: Michael Jeanson <mjeanson@efficios.com>
Date: Thu, 17 Oct 2019 11:48:18 -0400
Subject: [PATCH] jjb: Split gerrit category by build type

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
---
 jobs/babeltrace.yaml               |  4 +-
 scripts/gerrit/system-clean.groovy | 98 ++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 2 deletions(-)
 create mode 100644 scripts/gerrit/system-clean.groovy

diff --git a/jobs/babeltrace.yaml b/jobs/babeltrace.yaml
index c307dd6..da6ba00 100644
--- a/jobs/babeltrace.yaml
+++ b/jobs/babeltrace.yaml
@@ -350,7 +350,7 @@
       - throttle:
           option: 'category'
           categories:
-            - 'gerrit'
+            - 'gerrit-{buildtype}'
 
 - job-template:
     name: dev_gerrit_babeltrace_winbuild
@@ -389,7 +389,7 @@
       - throttle:
           option: 'category'
           categories:
-            - 'gerrit'
+            - 'gerrit-winbuild'
 
     <<: *babeltrace_build_axes_defaults
     <<: *babeltrace_build_builders_win
diff --git a/scripts/gerrit/system-clean.groovy b/scripts/gerrit/system-clean.groovy
new file mode 100644
index 0000000..56a39d1
--- /dev/null
+++ b/scripts/gerrit/system-clean.groovy
@@ -0,0 +1,98 @@
+import hudson.matrix.*
+import hudson.model.*
+import jenkins.model.*
+
+import com.sonyericsson.hudson.plugins.gerrit.trigger.hudsontrigger.GerritCause;
+import com.sonymobile.tools.gerrit.gerritevents.dto.attr.Change;
+
+// Iterate over all jobs and find the ones that have a hudson.plugins.git.util.BuildData
+// as an action.
+//
+// We then clean it by removing the useless array action.buildsByBranchName
+//
+
+def jobPattern = "dev_gerrit_.*"
+
+def matchedJobs = Jenkins.instance.items.findAll { job ->
+    job.name =~ /$jobPattern/
+}
+
+for (job in matchedJobs) {
+  println("job: " + job.name);
+
+  def changes = []
+
+  for (build in job.getBuilds()) {
+    println("  build: " + build.number);
+
+    // Skip currently building builds
+    if (build.isBuilding()) {
+      println("  Is building, skip it.");
+      continue
+    }
+
+    // Keep only the last build of a Gerrit Change
+    if (build.getCause(GerritCause.class) != null &&
+        build.getCause(GerritCause.class).getEvent() != null &&
+        build.getCause(GerritCause.class).getEvent().getChange() != null) {
+
+      Change change = build.getCause(GerritCause.class).getEvent().getChange()
+
+      if (changes.contains(change)) {
+        println("  Is not the latest for change " + change.getId() + ", delete it.");
+        build.delete()
+        continue
+      } else {
+        changes.add(change)
+      }
+    }
+
+    // Delete successful and aborted builds
+    if (build.result.toString() == 'SUCCESS' || build.result.toString() == 'ABORTED') {
+      println("  Is SUCCESSFUL / ABORTED, delete it.");
+      build.delete()
+      continue
+    }
+
+
+    // It is possible for a build to have multiple BuildData actions
+    // since we can use the Mulitple SCM plugin.
+    def gitActions = build.getActions(hudson.plugins.git.util.BuildData.class)
+    if (gitActions != null) {
+      for (action in gitActions) {
+        action.buildsByBranchName = new HashMap<String, Build>();
+        hudson.plugins.git.Revision r = action.getLastBuiltRevision();
+        if (r != null) {
+          for (branch in r.getBranches()) {
+            action.buildsByBranchName.put(branch.getName(), action.lastBuild)
+          }
+        }
+        build.actions.remove(action);
+        build.actions.add(action);
+        build.save();
+      }
+    }
+
+    if (job instanceof MatrixProject) {
+      for (run in build.getRuns()) {
+        println("    run: " + run);
+
+        gitActions = run.getActions(hudson.plugins.git.util.BuildData.class)
+        if (gitActions != null) {
+          for (action in gitActions) {
+            action.buildsByBranchName = new HashMap<String, Build>();
+            hudson.plugins.git.Revision r = action.getLastBuiltRevision();
+            if (r != null) {
+              for (branch in r.getBranches()) {
+                action.buildsByBranchName.put(branch.getName(), action.lastBuild)
+              }
+            }
+            run.actions.remove(action);
+            run.actions.add(action);
+            run.save();
+          }
+        }
+      }
+    }
+  }
+}
-- 
2.34.1