test: enable mercurial support

Author: zah

.agents/tasks/2025/06/07-0206-uncomment-hg-tests.txt

@@ -0,0 +1 @@
+Uncomment all mercurial(hg) tests and make sure they pass.

lib/vcs_repo.rb

@@ -96,7 +96,7 @@ def push_current_branch(branch_name, remote = 'origin')
       when :git
         system("git push -u #{remote} #{branch_name}")
       when :hg
-        system("hg push --rev #{branch_name}")
+        system('hg', 'push', '--new-branch', '--rev', branch_name)
       when :bzr
         system('bzr push')
       when :fossil
@@ -472,7 +472,8 @@ def latest_agent_branch_commit
         `git log --all -E --grep='^Start-Agent-Branch:' -n 1 --pretty=%H`.strip
       when :hg
         revset = "reverse(grep('^Start-Agent-Branch:'))"
-        `hg log -r #{revset} --limit 1 --template '{node}\n'`.strip
+        out, = Open3.capture2('hg', 'log', '-r', revset, '--limit', '1', '--template', '{node}\n')
+        out.strip
       when :fossil
         branch = current_branch
         escaped = branch.gsub("'", "''")

test/test_follow_up_tasks.rb

@@ -71,12 +71,11 @@ class FollowUpGitTest < Minitest::Test
   VCS_TYPE = :git
 end
 
-# These tests are temporarily disabled until we get git to work
-# class FollowUpHgTest < Minitest::Test
-#   include RepoTestHelper
-#   include FollowUpCases
-#   VCS_TYPE = :hg
-# end
+class FollowUpHgTest < Minitest::Test
+  include RepoTestHelper
+  include FollowUpCases
+  VCS_TYPE = :hg
+end
 #
 # class FollowUpFossilTest < Minitest::Test
 #   include RepoTestHelper

test/test_get_task.rb

@@ -103,12 +103,11 @@ class GetTaskGitTest < Minitest::Test
   VCS_TYPE = :git
 end
 
-# These tests are temporarily disabled until we get git to work
-# class GetTaskHgTest < Minitest::Test
-#   include RepoTestHelper
-#   include GetTaskCases
-#   VCS_TYPE = :hg
-# end
+class GetTaskHgTest < Minitest::Test
+  include RepoTestHelper
+  include GetTaskCases
+  VCS_TYPE = :hg
+end
 #
 # class GetTaskFossilTest < Minitest::Test
 #   include RepoTestHelper

test/test_helper.rb

@@ -96,6 +96,8 @@ def setup_repo(vcs_type)
         hg(repo, 'commit', '-m', 'initial', '-u', 'Tester <[email protected]>')
         hgrc = File.join('.hg', 'hgrc')
         File.open(hgrc, 'a') do |f|
+          f.puts '[ui]'
+          f.puts 'username = Tester <[email protected]>'
           f.puts '[paths]'
           f.puts "default = #{remote}"
         end

test/test_start_task.rb

@@ -268,12 +268,11 @@ class StartTaskGitTest < Minitest::Test
   VCS_TYPE = :git
 end
 
-# These tests are temporarily disabled until we get git to work
-# class StartTaskHgTest < Minitest::Test
-#   include RepoTestHelper
-#   include StartTaskCases
-#   VCS_TYPE = :hg
-# end
+class StartTaskHgTest < Minitest::Test
+  include RepoTestHelper
+  include StartTaskCases
+  VCS_TYPE = :hg
+end
 #
 # class StartTaskFossilTest < Minitest::Test
 #   include RepoTestHelper