Add prefix to tags in addition to suffix

app/controllers/trains_controller.rb

@@ -122,6 +122,7 @@ def train_params
       :tag_platform_releases,
       :notifications_enabled,
       :tag_releases,
+      :tag_prefix,
       :tag_suffix,
       :patch_version_bump_only,
       :approvals_enabled,
@@ -163,6 +164,7 @@ def train_update_params
       :tag_platform_releases,
       :notifications_enabled,
       :tag_releases,
+      :tag_prefix,
       :tag_suffix,
       :patch_version_bump_only,
       :approvals_enabled,

app/javascript/controllers/string_affix_controller.js

@@ -0,0 +1,41 @@
+import {Controller} from "@hotwired/stimulus";
+
+export default class extends Controller {
+  static values = {
+    baseString: String,
+    separator: { type: String, default: "-" },
+    commonPrefix: String,
+  }
+
+  static targets = [
+    "suffixInput",
+    "prefixInput",
+    "helpText",
+  ]
+
+  initialize() {
+    this.__set();
+  }
+
+  set() {
+    this.__set();
+  }
+
+  __set() {
+    const prefix = this.prefixInputTarget.value;
+    const suffix = this.suffixInputTarget.value;
+    const baseString = this.baseStringValue;
+    const separator = this.separatorValue;
+    const commonPrefix = this.commonPrefixValue;
+
+    let result = `${commonPrefix}${baseString}`;
+    if (prefix) {
+      result = `${prefix}${separator}${result}`;
+    }
+    if (suffix) {
+      result = `${result}${separator}${suffix}`;
+    }
+
+    this.helpTextTarget.textContent = result;
+  }
+}

app/models/release.rb

@@ -558,6 +558,7 @@ def copy_approvals_allowed?
 
   def base_tag_name
     tag = "v#{release_version}"
+    tag = train.tag_prefix + "-" + tag if train.tag_prefix.present?
     tag += "-hotfix" if hotfix?
     tag += "-" + train.tag_suffix if train.tag_suffix.present?
     tag

app/models/train.rb

@@ -26,6 +26,7 @@
 #  stop_automatic_releases_on_failure :boolean          default(FALSE), not null
 #  tag_all_store_releases             :boolean          default(FALSE)
 #  tag_platform_releases              :boolean          default(FALSE)
+#  tag_prefix                         :string
 #  tag_releases                       :boolean          default(TRUE)
 #  tag_suffix                         :string
 #  version_current                    :string

app/views/trains/_form.html.erb

@@ -237,7 +237,7 @@
     <%= f.with_advanced_section(heading: "Tag Your Releases") do |section| %>
       <% section.with_description do %>
         By default, a tag is created at the end of the release with the final version of the release.
-        You can turn off creation of tag. Or, you can add an optional suffix to your tags.
+        You can turn off creation of tag. Or, you can add an optional prefix or suffix to your tags.
       <% end %>
 
       <%= render partial: "release_tag_form", locals: { form: section.F } %>

app/views/trains/_release_tag_form.html.erb

@@ -5,18 +5,22 @@
                                          hide_child: @train.tag_releases?) do |component| %>
   <% component.with_child do %>
     <section data-controller="help-text">
-      <div data-controller="domain--release-suffix-help"
-           data-domain--release-suffix-help-version-value="<%= @train.version_current || @train.version_seeded_with || "1.0.0" %>"
-           data-domain--release-suffix-help-version-suffix-current-value="<%= @train.tag_suffix %>"
-           data-domain--release-suffix-help-prefix-value="v">
+      <div data-controller="string-affix"
+           data-string-affix-base-string-value="<%= @train.version_current || @train.version_seeded_with || "1.0.0" %>"
+           data-string-affix-common-prefix-value="v">
+        <%= form.labeled_text_field :tag_prefix, "Tag prefix",
+                                    placeholder: "Eg., foo",
+                                    autocomplete: "off",
+                                    data: { string_affix_target: "prefixInput",
+                                            action: "string-affix#set" } %>
         <%= form.labeled_text_field :tag_suffix, "Tag suffix",
                                     placeholder: "Eg., nightly",
                                     autocomplete: "off",
-                                    data: { domain__release_suffix_help_target: "input",
-                                            action: "domain--release-suffix-help#set" } %>
+                                    data: { string_affix_target: "suffixInput",
+                                            action: "string-affix#set" } %>
         <div class="text-sm mt-1">
-          This is appended to the <strong>tag name</strong> of the release, as follows:&nbsp;
-          <span class="font-mono" data-domain--release-suffix-help-target="helpText"></span>
+          These are appended to the <strong>tag name</strong> of the release, as follows:&nbsp;
+          <span class="font-mono" data-string-affix-target="helpText"></span>
         </div>
       </div>
     </section>

db/migrate/20241224064815_add_config_tag_prefix_to_train.rb

@@ -0,0 +1,5 @@
+class AddConfigTagPrefixToTrain < ActiveRecord::Migration[7.2]
+  def change
+    add_column :trains, :tag_prefix, :string
+  end
+end

lib/tasks/anonymize.rake

@@ -49,7 +49,7 @@ namespace :anonymize do
         whitelist "name", "slug", "description", "status", "branching_strategy", "version_seeded_with", "version_current",
           "repeat_duration", "build_queue_wait_time", "build_queue_size", "backmerge_strategy", "manual_release",
           "tag_platform_releases", "tag_all_store_releases", "compact_build_notes", "tag_releases", "build_queue_enabled",
-          "kickoff_at", "versioning_strategy", "send_build_notes", "notifications_enabled", "tag_suffix", "tag_platform_releases"
+          "kickoff_at", "versioning_strategy", "send_build_notes", "notifications_enabled", "tag_suffix", "tag_prefix", "tag_platform_releases"
         whitelist_timestamps
         anonymize("app_id") { |field| app.id }
         anonymize("notification_channel") { |field| {"id" => "dummy", "name" => "test", "is_private" => false} }

spec/factories/trains.rb

@@ -12,6 +12,7 @@
     tag_platform_releases { false }
     tag_all_store_releases { false }
     tag_releases { true }
+    tag_prefix { nil }
     tag_suffix { nil }
     versioning_strategy { "semver" }
     approvals_enabled { true }

spec/models/release_spec.rb

@@ -487,6 +487,71 @@
       end
     end
 
+    context "when tag prefix" do
+      let(:prefix) { "foo" }
+      let(:train) { create(:train, :active, tag_prefix: prefix) }
+
+      it "saves a new tag with the prefix + base name" do
+        allow_any_instance_of(GithubIntegration).to receive(:create_release!)
+
+        release.create_vcs_release!
+        expect(release.tag_name).to eq("#{prefix}-v1.2.3")
+      end
+
+      it "saves prefix + base name + last commit sha" do
+        raise_times(GithubIntegration, release_exists_error, :create_release!, 1)
+        commit = create(:commit, :without_trigger, release:)
+
+        release.create_vcs_release!
+        expect(release.tag_name).to eq("#{prefix}-v1.2.3-#{commit.short_sha}")
+      end
+
+      it "saves base prefix + name + last commit sha + time" do
+        raise_times(GithubIntegration, release_exists_error, :create_release!, 2)
+
+        freeze_time do
+          now = Time.now.to_i
+          commit = create(:commit, :without_trigger, release:)
+
+          release.create_vcs_release!
+          expect(release.tag_name).to eq("#{prefix}-v1.2.3-#{commit.short_sha}-#{now}")
+        end
+      end
+    end
+
+    context "when tag prefix and tag suffix" do
+      let(:prefix) { "foo" }
+      let(:suffix) { "nightly" }
+      let(:train) { create(:train, :active, tag_prefix: prefix, tag_suffix: suffix) }
+
+      it "saves a new tag with the prefix + base name + suffix" do
+        allow_any_instance_of(GithubIntegration).to receive(:create_release!)
+
+        release.create_vcs_release!
+        expect(release.tag_name).to eq("#{prefix}-v1.2.3-#{suffix}")
+      end
+
+      it "saves prefix + base name + suffix + last commit sha" do
+        raise_times(GithubIntegration, release_exists_error, :create_release!, 1)
+        commit = create(:commit, :without_trigger, release:)
+
+        release.create_vcs_release!
+        expect(release.tag_name).to eq("#{prefix}-v1.2.3-#{suffix}-#{commit.short_sha}")
+      end
+
+      it "saves base prefix + name + suffix + last commit sha + time" do
+        raise_times(GithubIntegration, release_exists_error, :create_release!, 2)
+
+        freeze_time do
+          now = Time.now.to_i
+          commit = create(:commit, :without_trigger, release:)
+
+          release.create_vcs_release!
+          expect(release.tag_name).to eq("#{prefix}-v1.2.3-#{suffix}-#{commit.short_sha}-#{now}")
+        end
+      end
+    end
+
     context "when release tag disabled" do
       let(:train) { create(:train, :active, tag_releases: false) }