🐛 generalize image name

.github/workflows/scripts/get-image-tags.rb

@@ -12,14 +12,18 @@ def main
   # log to stderr so that stdout only contains the full tags
   $stderr.puts "'#{git_repo}', '#{git_ref_name}', '#{git_ref_type}', '#{git_default_branch}'"
 
+  image_name = get_image_name(git_repo: git_repo)
+
   tags =
     get_image_tags(
-      git_repo: git_repo,
       git_ref_name: git_ref_name,
       git_ref_type: git_ref_type,
       git_default_branch: git_default_branch,
       semver: '0.0.0',
-    ).to_a.join(',')
+    )
+    .to_a
+    .map {|tag| "#{image_name}:#{tag}" }
+    .join(',')
 
   # log to stderr so that stdout only contains the full tags
   $stderr.puts tags

.github/workflows/scripts/lib.rb

@@ -1,18 +1,15 @@
 require 'set'
 
-# @param git_repo [String]
 # @param git_ref_name [String]
 # @param git_ref_type [String]
 # @param git_default_branch [String]
 # @return [Set[String]]
 def get_image_tags(
-  git_repo: nil,
   git_ref_name: nil,
   git_ref_type: nil,
   git_default_branch: nil,
   semver: nil
 )
-  container_repo = "ghcr.io/#{git_repo.downcase}"
   versions = Set[]
 
   if git_ref_type == 'branch'
@@ -24,7 +21,7 @@ def get_image_tags(
     # TODO: check that this is actually latest
     parsed = parse_semver(semver)
     if parsed.pre == nil
-      versions.add(parsed.major)
+      versions.add(parsed.major.to_s)
       versions.add("#{parsed.major}.#{parsed.minor}")
       versions.add("#{parsed.major}.#{parsed.minor}.#{parsed.patch}")
     end
@@ -39,7 +36,18 @@ def get_image_tags(
     versions.add('latest')
   end
 
-  return versions.map! { |v| "#{container_repo}/bot:#{v}" }
+  return versions
+end
+
+# @param registry [String]
+# @param git_repo [String]
+# @param sub_image [String?]
+# @return String
+def get_image_name(registry: 'ghcr.io', git_repo: nil, sub_image: nil)
+  git_repo = git_repo.downcase
+
+  default_sub_image = File.basename git_repo
+  container_repo = "#{registry}/#{git_repo}/#{sub_image ? sub_image : default_sub_image}"
 end
 
 Semver = Struct.new('Semver', :major, :minor, :patch, :pre, :build)

.github/workflows/scripts/test/get-image-tags.unit.rb

@@ -1,3 +1,5 @@
+#!/usr/bin/env ruby
+
 require 'test/unit'
 require 'json'
 require 'set'
@@ -7,9 +9,8 @@ require_relative '../lib'
 class TestGetImageTags < Test::Unit::TestCase
   def test_simple_branch
     assert_equal(
-      Set['ghcr.io/virginity-bot/virginity-bot/bot:feat-foo-bar'],
+      Set['feat-foo-bar'],
       get_image_tags(
-        git_repo: 'Virginity-Bot/virginity-bot',
         git_ref_name: 'feat/foo-bar',
         git_ref_type: 'branch',
         git_default_branch: 'master',
@@ -18,12 +19,8 @@ class TestGetImageTags < Test::Unit::TestCase
     )
 
     assert_equal(
-      Set[
-        'ghcr.io/virginity-bot/virginity.bot/bot:latest',
-        'ghcr.io/virginity-bot/virginity.bot/bot:master'
-      ],
+      Set['latest', 'master'],
       get_image_tags(
-        git_repo: 'Virginity-Bot/virginity.bot',
         git_ref_name: 'master',
         git_ref_type: 'branch',
         git_default_branch: 'master',
@@ -34,15 +31,8 @@ class TestGetImageTags < Test::Unit::TestCase
 
   def test_simple_tag
     assert_equal(
-      Set[
-        'ghcr.io/virginity-bot/virginity.bot/bot:latest',
-        'ghcr.io/virginity-bot/virginity.bot/bot:master',
-        'ghcr.io/virginity-bot/virginity.bot/bot:1.0.0',
-        'ghcr.io/virginity-bot/virginity.bot/bot:1.0',
-        'ghcr.io/virginity-bot/virginity.bot/bot:1'
-      ],
+      Set['latest', 'master', '1.0.0', '1.0', '1'],
       get_image_tags(
-        git_repo: 'Virginity-Bot/virginity.bot',
         git_ref_name: '1.0.0',
         git_ref_type: 'tag',
         git_default_branch: 'master',
@@ -53,13 +43,8 @@ class TestGetImageTags < Test::Unit::TestCase
 
   def test_pre_tag
     assert_equal(
-      Set[
-        'ghcr.io/virginity-bot/virginity.bot/bot:latest',
-        'ghcr.io/virginity-bot/virginity.bot/bot:master',
-        'ghcr.io/virginity-bot/virginity.bot/bot:1.0.0-pre'
-      ],
+      Set['latest', 'master', '1.0.0-pre'],
       get_image_tags(
-        git_repo: 'Virginity-Bot/virginity.bot',
         git_ref_name: '1.0.0',
         git_ref_type: 'tag',
         git_default_branch: 'master',
@@ -70,9 +55,8 @@ class TestGetImageTags < Test::Unit::TestCase
 
   def test_unsafe_branch_name
     assert_equal(
-      Set['ghcr.io/virginity-bot/virginity.bot/bot:feat-foo-bar'],
+      Set['feat-foo-bar'],
       get_image_tags(
-        git_repo: 'Virginity-Bot/virginity.bot',
         git_ref_name: 'feat/Foo---bar',
         git_ref_type: 'branch',
         git_default_branch: 'master',
@@ -82,6 +66,33 @@ class TestGetImageTags < Test::Unit::TestCase
   end
 end
 
+class TestGetImageName < Test::Unit::TestCase
+  def test_basic
+    assert_equal(
+      'ghcr.io/octocat/hello-world/hello-world',
+      get_image_name(
+        git_repo: 'Octocat/hello-world',
+      ),
+    )
+
+    assert_equal(
+      'ghcr.io/octocat/hello-world/foobar',
+      get_image_name(
+        git_repo: 'Octocat/hello-world',
+        sub_image: 'foobar',
+      ),
+    )
+
+    assert_equal(
+      'docker.io/octocat/hello-world/hello-world',
+      get_image_name(
+        registry: 'docker.io',
+        git_repo: 'Octocat/hello-world',
+      ),
+    )
+  end
+end
+
 class TestParseSemver < Test::Unit::TestCase
   def test_parse_basic
     parsed = parse_semver('1.2.3')