[JENKINS-64810] Add creation time boundaries to tags for discovery

src/main/java/jenkins/plugins/git/AbstractGitSCMSource.java

@@ -632,7 +632,9 @@
                         discoverBranches(repository, walk, request, remoteReferences);
                     }
                     if (context.wantTags()) {
-                        discoverTags(repository, walk, request, remoteReferences);
+                        discoverTags(repository, walk, request, remoteReferences,
+                                context.getAtLeastTagCommitTimeMillis(),
+                                context.getAtMostTagCommitTimeMillis());
                     }
                     if (context.wantOtherRefs()) {
                         discoverOtherRefs(repository, walk, request, remoteReferences,
@@ -772,7 +774,9 @@
 
             private void discoverTags(final Repository repository,
                                           final RevWalk walk, GitSCMSourceRequest request,
-                                          Map<String, ObjectId> remoteReferences)
+                                          Map<String, ObjectId> remoteReferences,
+                                          long atLeastMillis,
+                                          long atMostMillis)
                     throws IOException, InterruptedException {
                 listener.getLogger().println("Checking tags...");
                 walk.setRetainBody(false);
@@ -785,6 +789,21 @@
                     final String tagName = StringUtils.removeStart(ref.getKey(), Constants.R_TAGS);
                     RevCommit commit = walk.parseCommit(ref.getValue());
                     final long lastModified = TimeUnit.SECONDS.toMillis(commit.getCommitTime());
+
+                    if (atLeastMillis >= 0L || atMostMillis >= 0L) {
+                        if (atMostMillis >= 0L && atLeastMillis > atMostMillis) {
+                            /* Invalid. It's impossible for any tag to satisfy this. */
+                            continue;
+                        }
+                        long tagAge = System.currentTimeMillis() - lastModified;
+                        if (atMostMillis >= 0L && tagAge > atMostMillis) {
+                            continue;
+                        }
+                        if (atLeastMillis >= 0L && tagAge < atLeastMillis) {
+                            continue;
+                        }
+                    }
+
                     if (request.process(new GitTagSCMHead(tagName, lastModified),
                             new SCMSourceRequest.IntermediateLambda<ObjectId>() {
                                 @Nullable

src/main/java/jenkins/plugins/git/GitSCMSourceContext.java

@@ -37,6 +37,7 @@
 import java.util.Objects;
 import java.util.Set;
 import java.util.TreeSet;
+import java.util.concurrent.TimeUnit;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -95,6 +96,12 @@
     @NonNull
     private String remoteName = AbstractGitSCMSource.DEFAULT_REMOTE_NAME;
 
+    @CheckForNull
+    private long atLeastTagCommitTimeMillis;
+
+    @CheckForNull
+    private long atMostTagCommitTimeMillis;
+
     /**
      * Constructor.
      *
@@ -192,6 +199,14 @@
         return remoteName;
     }
 
+    public final long getAtLeastTagCommitTimeMillis() {
+        return atLeastTagCommitTimeMillis;
+    }
+
+    public final long getAtMostTagCommitTimeMillis() {
+        return atMostTagCommitTimeMillis;
+    }
+
     /**
      * Adds a requirement for branch details to any {@link GitSCMSourceRequest} for this context.
      *
@@ -358,6 +373,25 @@
         return result;
     }
 
+    private long getTagCommitTimeLimitMillisFromDays(String limitDays) {
+        long tagCommitTimeLimit = Long.parseLong(StringUtils.defaultIfBlank(limitDays, "-1"));
+        return tagCommitTimeLimit < 0 ? -1L : TimeUnit.DAYS.toMillis(tagCommitTimeLimit);
+    }
+
+    @SuppressWarnings("unchecked")
+    @NonNull
+    public final C withAtLeastTagCommitTimeDays(String atLeastDays) {
+        this.atLeastTagCommitTimeMillis = getTagCommitTimeLimitMillisFromDays(atLeastDays);
+        return (C) this;
+    }
+
+    @SuppressWarnings("unchecked")
+    @NonNull
+    public final C withAtMostTagCommitTimeDays(String atMostDays) {
+        this.atMostTagCommitTimeMillis = getTagCommitTimeLimitMillisFromDays(atMostDays);
+        return (C) this;
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/jenkins/plugins/git/traits/TagDiscoveryTrait.java

@@ -23,6 +23,7 @@
  */
 package jenkins.plugins.git.traits;
 
+import edu.umd.cs.findbugs.annotations.CheckForNull;
 import edu.umd.cs.findbugs.annotations.NonNull;
 import hudson.Extension;
 import jenkins.plugins.git.GitSCMBuilder;
@@ -51,11 +52,20 @@
  * @since 3.6.0
  */
 public class TagDiscoveryTrait extends SCMSourceTrait {
+    private final String atLeastDays;
+    private final String atMostDays;
+
     /**
      * Constructor for stapler.
      */
     @DataBoundConstructor
+    public TagDiscoveryTrait(@CheckForNull String atLeastDays, @CheckForNull String atMostDays) {
+        this.atLeastDays = atLeastDays;
+        this.atMostDays = atMostDays;
+    }
+
     public TagDiscoveryTrait() {
+        this(null, null);
     }
 
     /**
@@ -66,6 +76,8 @@
         GitSCMSourceContext<?,?> ctx = (GitSCMSourceContext<?, ?>) context;
         ctx.wantTags(true);
         ctx.withAuthority(new TagSCMHeadAuthority());
+        ctx.withAtLeastTagCommitTimeDays(atLeastDays)
+                .withAtMostTagCommitTimeDays(atMostDays);
     }
 
     /**
@@ -76,6 +88,14 @@
         return category instanceof TagSCMHeadCategory;
     }
 
+    public String getAtLeastDays() {
+        return atLeastDays;
+    }
+
+    public String getAtMostDays() {
+        return atMostDays;
+    }
+
     /**
      * Our descriptor.
      */

src/main/resources/jenkins/plugins/git/traits/TagDiscoveryTrait/config.jelly

@@ -1,4 +1,10 @@
 <?jelly escape-by-default='true'?>
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:c="/lib/credentials"
          xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
+    <f:entry field="atLeastDays" title="${%Ignore tags newer than}">
+        <f:number default=""/>
+    </f:entry>
+    <f:entry field="atMostDays" title="${%Ignore tags older than}">
+        <f:number default="7"/>
+    </f:entry>
 </j:jelly>