Modify account command: Add option to set preferred email

Change-Id: I7d29fc21b2acbdaca3a851ae9ce0b71ee74c49a2

Documentation/cmd-set-account.txt

@@ -7,6 +7,7 @@ gerrit set-account - Change an account's settings.
 --
 set-account [--full-name <FULLNAME>] [--active|--inactive] \
             [--add-email <EMAIL>] [--delete-email <EMAIL> | ALL] \
+            [--preferred-email <EMAIL>] \
             [--add-ssh-key - | <KEY>] \
             [--delete-ssh-key - | <KEY> | ALL] \
             [--http-password <PASSWORD>] \
@@ -67,6 +68,13 @@ This most likely requires double quoting the value, for example
     Maybe supplied more than once to remove multiple emails
     from an account in a single command execution.
 
+--preferred-email::
+    Sets the preferred email address for the user's account.
+    The email address must already have been registered
+    with the user's account before it can be set.
+    May be supplied with the delete-email option as long as
+    the emails are not the same.
+
 --add-ssh-key::
     Content of the public SSH key to add to the account's
     keyring.  If `-` the key is read from stdin, rather than

gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/SetAccountCommand.java

@@ -36,6 +36,7 @@ import com.google.gerrit.server.account.GetSshKeys;
 import com.google.gerrit.server.account.GetSshKeys.SshKeyInfo;
 import com.google.gerrit.server.account.PutActive;
 import com.google.gerrit.server.account.PutHttpPassword;
+import com.google.gerrit.server.account.PutPreferred;
 import com.google.gerrit.server.account.PutName;
 import com.google.gerrit.sshd.CommandMetaData;
 import com.google.gerrit.sshd.SshCommand;
@@ -78,6 +79,9 @@ final class SetAccountCommand extends SshCommand {
   @Option(name = "--delete-email", metaVar = "EMAIL", usage = "email addresses to delete from the account")
   private List<String> deleteEmails = new ArrayList<>();
 
+  @Option(name = "--preferred-email", metaVar = "EMAIL", usage = "a registered email address from the account")
+  private String preferredEmail;
+
   @Option(name = "--add-ssh-key", metaVar = "-|KEY", usage = "public keys to add to the account")
   private List<String> addSshKeys = new ArrayList<>();
 
@@ -102,6 +106,9 @@ final class SetAccountCommand extends SshCommand {
   @Inject
   private DeleteEmail deleteEmail;
 
+  @Inject
+  private PutPreferred putPreferred;
+
   @Inject
   private PutName putName;
 
@@ -151,6 +158,11 @@ final class SetAccountCommand extends SshCommand {
     if (deleteEmails.contains("ALL")) {
       deleteEmails = Collections.singletonList("ALL");
     }
+    if (deleteEmails.contains(preferredEmail)) {
+      throw new UnloggedFailure(1,
+          "--preferred-email and --delete-email options are mutually " +
+          "exclusive for the same email address.");
+    }
   }
 
   private void setAccount() throws OrmException, IOException, UnloggedFailure {
@@ -165,6 +177,10 @@ final class SetAccountCommand extends SshCommand {
         deleteEmail(email);
       }
 
+      if (preferredEmail != null) {
+        putPreferred(preferredEmail);
+      }
+
       if (fullName != null) {
         PutName.Input in = new PutName.Input();
         in.name = fullName;
@@ -277,6 +293,17 @@ final class SetAccountCommand extends SshCommand {
     }
   }
 
+  private void putPreferred(String email) throws RestApiException,
+      OrmException {
+    for (EmailInfo e : getEmails.apply(rsrc)) {
+      if (e.email.equals(email)) {
+        putPreferred.apply(new AccountResource.Email(user, email), null);
+        return;
+      }
+    }
+    stderr.println("preferred email not found: " + email);
+  }
+
   private List<String> readSshKey(final List<String> sshKeys)
       throws UnsupportedEncodingException, IOException {
     if (!sshKeys.isEmpty()) {